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vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is General-vSphere. HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN Understanding vsan Objects and Components. To understand vSAN component placement and sizing , we should be proficient in creating storage policy and understand the parameters you choose while creating a storage policy . I recommend you to read the vm-storage-policy guidebefore proceeding .
VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY This new method of component placement is helping us by reducing transient/slack space requirement for storage policy changes and for failure handling at the cluster level by working on smaller subset of components (One leg at a time). Reserved Capacity based on deployment variables in vSAN 7 U1: •12 node cluster = ~18%. HOW TO UPGRADE TO VXRAIL™ 7.0 The following pre-requisites applies to most of the VxRail appliances, however as discussed earlier, you will need to access DELL-EMC Solve Desktop to generate all the steps for your upgrade to version 7.0. First step is to run the VxVerify scripts from KB:536801 (**portal auth required), this will run multiple scripts on the VxRailManager WSFC WITH NATIVE SHARED DISKS ON VSAN Configuring vSAN native WSFC. Create a new virtual SCSI Controller using the “ physical ” option set for the SCSI Bus Sharing setting. This is the virtual SCSI controller that will be used by the shared VMDK. For the given VMDK that will be shared, assign it to the virtual SCSI Controller created above, and ensure the disk mode is setto
VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. HOW TO INSTALL, CONFIGURE, MIGRATE To migrate any SRM-windows version to be able to migrate to SRM-8.2 appliance , we have to first upgrade the windows SRM version to 8.2 , and then initiate the Migration Process . Step1 : Login to the current SRM-Windows VM running SRM-8.1 and stop the SRM service . Step2: Launch command prompt change directory to : C:\Program Files\VMware UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health is HOW TO LOG INTO RVC OR RUBY VSPHERE CONSOLE FOR VSAN? The rvc.bat file is going to attempt logging into your vcenter sever by default with account “administrator@vsphere.local” , however not everyone may have access to this user account or the default vsphere.local might have been changed to a different name during installation of PSC or you may want to login with your administrator account of AD which has permission on your vcenter server .VIRTUALLY SENSEI
vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is General-vSphere. HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN Understanding vsan Objects and Components. To understand vSAN component placement and sizing , we should be proficient in creating storage policy and understand the parameters you choose while creating a storage policy . I recommend you to read the vm-storage-policy guidebefore proceeding .
VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY This new method of component placement is helping us by reducing transient/slack space requirement for storage policy changes and for failure handling at the cluster level by working on smaller subset of components (One leg at a time). Reserved Capacity based on deployment variables in vSAN 7 U1: •12 node cluster = ~18%. HOW TO UPGRADE TO VXRAIL™ 7.0 The following pre-requisites applies to most of the VxRail appliances, however as discussed earlier, you will need to access DELL-EMC Solve Desktop to generate all the steps for your upgrade to version 7.0. First step is to run the VxVerify scripts from KB:536801 (**portal auth required), this will run multiple scripts on the VxRailManager WSFC WITH NATIVE SHARED DISKS ON VSAN Configuring vSAN native WSFC. Create a new virtual SCSI Controller using the “ physical ” option set for the SCSI Bus Sharing setting. This is the virtual SCSI controller that will be used by the shared VMDK. For the given VMDK that will be shared, assign it to the virtual SCSI Controller created above, and ensure the disk mode is setto
VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. HOW TO INSTALL, CONFIGURE, MIGRATE To migrate any SRM-windows version to be able to migrate to SRM-8.2 appliance , we have to first upgrade the windows SRM version to 8.2 , and then initiate the Migration Process . Step1 : Login to the current SRM-Windows VM running SRM-8.1 and stop the SRM service . Step2: Launch command prompt change directory to : C:\Program Files\VMware UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health is HOW TO LOG INTO RVC OR RUBY VSPHERE CONSOLE FOR VSAN? The rvc.bat file is going to attempt logging into your vcenter sever by default with account “administrator@vsphere.local” , however not everyone may have access to this user account or the default vsphere.local might have been changed to a different name during installation of PSC or you may want to login with your administrator account of AD which has permission on your vcenter server . WHAT IS VSAN SUPPORT INSIGHT ? QUICK OVERVIEW Conclusion. vSAN Support Insight is a great initiative from VMware from Customer experience perspective which brings in a lot of advantage towards resolving customer problems and also help improve features and stability of the product , its highly recommended to have the CEIP program enabled if not enabled . SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. THINGS TO KNOW FOR VSAN MANAGEMENT -VIRTUALLYSENSEI.COM KB2150395 – Bytes to sync values for RAID5/6 objects appear incorrectly in vCenter and RVC. KB2150396 – Using objtool on a vSAN witness node may result in a PSOD. KB2150390 – Health check for vSAN vmknic configuration may display a false positive. KB2150389 – SSD congestion may cause multiple virtual machines to become unresponsive. HOW TO INSTALL AND CONFIGURE SRM 8.1 AND VR 8.1 New Blog Post for “How to install , configure and Migrate to SRM 8.2” ,if you are interested to deploy SRM 8.2 instead of SRM 8.1 . SRM 8.2 comes with the appliance edition and is far more easier and faster to deploy and configure . This was just released in May 2019 . HOW TO USE HCIBENCH AND ACHIEVE BEST PERFORMANCE ON VSAN Run Test and Review results; I was able to run different tests with this cluster and found that the RAID-5 Performance was pretty decent when compared to RAID-1 considering the fact that the data components was placed across all four hosts when compared to the fact that RAID-1 will mostly pick two hosts to place the data components . HCI MESH™ -FEATURE WALKTHROUGH HCI Mesh™ is one of the new feature that is introduced with vSAN 7 Update 1 release.HCI Mesh™ provides disaggregation of compute and storage by allowing vSAN customers to share vSAN datastores between two or more clusters. vSAN administrators can setup a relationship between two to five clusters and allow these clusters to borrow/share vSAN datastore capacity. TROUBLESHOOT VSAN VM STORAGE POLICY NON-COMPLIANCE & VASA Unable to re-apply storage policy , vm storage police non-complaint , vSAN VASA providers not working ? , find out amazing ways to troubleshoot and resolve all VASA and VM storage policy non-compliance related issues with vSAN 6.7 , vSAN 6.6 , vSAN 6.2 , vSAN 6.1 . UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health is HOW TO TROUBLESHOOT ENCYRPTED VSAN CLUSTER Navigate to the path /etc/vmware/ssl on one of the hosts which is part of the vSAN-encrypted cluster and check the certificates on the files vsan_kms_client.crt (client Certificate) , vsan_kms_client.key (private key)and vsan_kms_castore.pem . The vsan_kms_castore.pem file is a copy of the server certificate that the host uses to compare with HOW TO LOG INTO RVC OR RUBY VSPHERE CONSOLE FOR VSAN? The rvc.bat file is going to attempt logging into your vcenter sever by default with account “administrator@vsphere.local” , however not everyone may have access to this user account or the default vsphere.local might have been changed to a different name during installation of PSC or you may want to login with your administrator account of AD which has permission on your vcenter server .VIRTUALLY SENSEI
vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is General-vSphere. HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN Understanding vsan Objects and Components. To understand vSAN component placement and sizing , we should be proficient in creating storage policy and understand the parameters you choose while creating a storage policy . I recommend you to read the vm-storage-policy guidebefore proceeding .
VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY This new method of component placement is helping us by reducing transient/slack space requirement for storage policy changes and for failure handling at the cluster level by working on smaller subset of components (One leg at a time). Reserved Capacity based on deployment variables in vSAN 7 U1: •12 node cluster = ~18%. HOW TO UPGRADE TO VXRAIL™ 7.0 The following pre-requisites applies to most of the VxRail appliances, however as discussed earlier, you will need to access DELL-EMC Solve Desktop to generate all the steps for your upgrade to version 7.0. First step is to run the VxVerify scripts from KB:536801 (**portal auth required), this will run multiple scripts on the VxRailManager WSFC WITH NATIVE SHARED DISKS ON VSAN Configuring vSAN native WSFC. Create a new virtual SCSI Controller using the “ physical ” option set for the SCSI Bus Sharing setting. This is the virtual SCSI controller that will be used by the shared VMDK. For the given VMDK that will be shared, assign it to the virtual SCSI Controller created above, and ensure the disk mode is setto
HOW TO INSTALL, CONFIGURE, MIGRATE To migrate any SRM-windows version to be able to migrate to SRM-8.2 appliance , we have to first upgrade the windows SRM version to 8.2 , and then initiate the Migration Process . Step1 : Login to the current SRM-Windows VM running SRM-8.1 and stop the SRM service . Step2: Launch command prompt change directory to : C:\Program Files\VMware SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health isVIRTUALLY SENSEI
vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is General-vSphere. HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN Understanding vsan Objects and Components. To understand vSAN component placement and sizing , we should be proficient in creating storage policy and understand the parameters you choose while creating a storage policy . I recommend you to read the vm-storage-policy guidebefore proceeding .
VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY This new method of component placement is helping us by reducing transient/slack space requirement for storage policy changes and for failure handling at the cluster level by working on smaller subset of components (One leg at a time). Reserved Capacity based on deployment variables in vSAN 7 U1: •12 node cluster = ~18%. HOW TO UPGRADE TO VXRAIL™ 7.0 The following pre-requisites applies to most of the VxRail appliances, however as discussed earlier, you will need to access DELL-EMC Solve Desktop to generate all the steps for your upgrade to version 7.0. First step is to run the VxVerify scripts from KB:536801 (**portal auth required), this will run multiple scripts on the VxRailManager WSFC WITH NATIVE SHARED DISKS ON VSAN Configuring vSAN native WSFC. Create a new virtual SCSI Controller using the “ physical ” option set for the SCSI Bus Sharing setting. This is the virtual SCSI controller that will be used by the shared VMDK. For the given VMDK that will be shared, assign it to the virtual SCSI Controller created above, and ensure the disk mode is setto
HOW TO INSTALL, CONFIGURE, MIGRATE To migrate any SRM-windows version to be able to migrate to SRM-8.2 appliance , we have to first upgrade the windows SRM version to 8.2 , and then initiate the Migration Process . Step1 : Login to the current SRM-Windows VM running SRM-8.1 and stop the SRM service . Step2: Launch command prompt change directory to : C:\Program Files\VMware SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health is HOW TO INSTALL AND CONFIGURE SRM 8.1 AND VR 8.1 New Blog Post for “How to install , configure and Migrate to SRM 8.2” ,if you are interested to deploy SRM 8.2 instead of SRM 8.1 . SRM 8.2 comes with the appliance edition and is far more easier and faster to deploy and configure . This was just released in May 2019 . HOW TO USE HCIBENCH AND ACHIEVE BEST PERFORMANCE ON VSAN Run Test and Review results; I was able to run different tests with this cluster and found that the RAID-5 Performance was pretty decent when compared to RAID-1 considering the fact that the data components was placed across all four hosts when compared to the fact that RAID-1 will mostly pick two hosts to place the data components . TROUBLESHOOT VSAN VM STORAGE POLICY NON-COMPLIANCE & VASA Unable to re-apply storage policy , vm storage police non-complaint , vSAN VASA providers not working ? , find out amazing ways to troubleshoot and resolve all VASA and VM storage policy non-compliance related issues with vSAN 6.7 , vSAN 6.6 , vSAN 6.2 , vSAN 6.1 . WHAT IS VSAN SUPPORT INSIGHT ? QUICK OVERVIEW vSAN Support Insight was introduced last year with the release of vSAN 6.6.1 ( VC/ESXi 6.5 U1 Patch 02 and above) . It is a phone home system leveraging the existing vCenter Customer Experience ImprovementProgram (CEIP).
HOW TO RUN VSAN PERFORMANCE TESTS? BEST PRACTICES Validate and kick of the bench mark test Run. Post Deployment and Test completion , you must be seeing a bunch of vdbench test machines with multiple disks attached to them on which the benchmark tests were run , the below test was run with easyMode on the VDbench test which deployed about 6 VMs on the three node vSAN cluster and each VM had 9 HOW TO CONVERT VSAN CLUSTER TO STRETCHED CLUSTER & VICEVERSA? Step2: Place the host esxi-3 and esxi-4 in maintenance mode with ensure accessibility , which means that the VMs which are on this cluster will move to the hosts : esxi-1 and esxi-2 . Also if there were any objects which would go inaccessible without host esxi-3 and esxi-4 will be rebuilt onto hosts esxi-1 and esxi-2 (like Ftt-0 objects) before the hosts completely enter maintenance mode and HCI MESH™ -FEATURE WALKTHROUGH HCI Mesh™ is one of the new feature that is introduced with vSAN 7 Update 1 release.HCI Mesh™ provides disaggregation of compute and storage by allowing vSAN customers to share vSAN datastores between two or more clusters. vSAN administrators can setup a relationship between two to five clusters and allow these clusters to borrow/share vSAN datastore capacity. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. HOW TO TROUBLESHOOT ENCYRPTED VSAN CLUSTER Navigate to the path /etc/vmware/ssl on one of the hosts which is part of the vSAN-encrypted cluster and check the certificates on the files vsan_kms_client.crt (client Certificate) , vsan_kms_client.key (private key)and vsan_kms_castore.pem . The vsan_kms_castore.pem file is a copy of the server certificate that the host uses to compare with HOW TO DOWNLOAD VIRTUAL MACHINE MEMORY FILE FOR VSAN Option 1 : If we have a local datastore which should have equivalent to the size of the .vmem file (memory size of the virtual machine) or greater free space available then. Browse the datastore , select the .vmem file . Next drag and drop the .vmem file from the vSAN datastore to the local datastore .This will initiate a full copy of theVIRTUALLY SENSEI
vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is General-vSphere. HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN Understanding vsan Objects and Components. To understand vSAN component placement and sizing , we should be proficient in creating storage policy and understand the parameters you choose while creating a storage policy . I recommend you to read the vm-storage-policy guidebefore proceeding .
VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY This new method of component placement is helping us by reducing transient/slack space requirement for storage policy changes and for failure handling at the cluster level by working on smaller subset of components (One leg at a time). Reserved Capacity based on deployment variables in vSAN 7 U1: •12 node cluster = ~18%. HOW TO UPGRADE TO VXRAIL™ 7.0 The following pre-requisites applies to most of the VxRail appliances, however as discussed earlier, you will need to access DELL-EMC Solve Desktop to generate all the steps for your upgrade to version 7.0. First step is to run the VxVerify scripts from KB:536801 (**portal auth required), this will run multiple scripts on the VxRailManager WSFC WITH NATIVE SHARED DISKS ON VSAN Configuring vSAN native WSFC. Create a new virtual SCSI Controller using the “ physical ” option set for the SCSI Bus Sharing setting. This is the virtual SCSI controller that will be used by the shared VMDK. For the given VMDK that will be shared, assign it to the virtual SCSI Controller created above, and ensure the disk mode is setto
HOW TO INSTALL, CONFIGURE, MIGRATE To migrate any SRM-windows version to be able to migrate to SRM-8.2 appliance , we have to first upgrade the windows SRM version to 8.2 , and then initiate the Migration Process . Step1 : Login to the current SRM-Windows VM running SRM-8.1 and stop the SRM service . Step2: Launch command prompt change directory to : C:\Program Files\VMware SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health isVIRTUALLY SENSEI
vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is General-vSphere. HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN Understanding vsan Objects and Components. To understand vSAN component placement and sizing , we should be proficient in creating storage policy and understand the parameters you choose while creating a storage policy . I recommend you to read the vm-storage-policy guidebefore proceeding .
VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY This new method of component placement is helping us by reducing transient/slack space requirement for storage policy changes and for failure handling at the cluster level by working on smaller subset of components (One leg at a time). Reserved Capacity based on deployment variables in vSAN 7 U1: •12 node cluster = ~18%. HOW TO UPGRADE TO VXRAIL™ 7.0 The following pre-requisites applies to most of the VxRail appliances, however as discussed earlier, you will need to access DELL-EMC Solve Desktop to generate all the steps for your upgrade to version 7.0. First step is to run the VxVerify scripts from KB:536801 (**portal auth required), this will run multiple scripts on the VxRailManager WSFC WITH NATIVE SHARED DISKS ON VSAN Configuring vSAN native WSFC. Create a new virtual SCSI Controller using the “ physical ” option set for the SCSI Bus Sharing setting. This is the virtual SCSI controller that will be used by the shared VMDK. For the given VMDK that will be shared, assign it to the virtual SCSI Controller created above, and ensure the disk mode is setto
HOW TO INSTALL, CONFIGURE, MIGRATE To migrate any SRM-windows version to be able to migrate to SRM-8.2 appliance , we have to first upgrade the windows SRM version to 8.2 , and then initiate the Migration Process . Step1 : Login to the current SRM-Windows VM running SRM-8.1 and stop the SRM service . Step2: Launch command prompt change directory to : C:\Program Files\VMware SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health is HOW TO INSTALL AND CONFIGURE SRM 8.1 AND VR 8.1 New Blog Post for “How to install , configure and Migrate to SRM 8.2” ,if you are interested to deploy SRM 8.2 instead of SRM 8.1 . SRM 8.2 comes with the appliance edition and is far more easier and faster to deploy and configure . This was just released in May 2019 . HOW TO USE HCIBENCH AND ACHIEVE BEST PERFORMANCE ON VSAN Run Test and Review results; I was able to run different tests with this cluster and found that the RAID-5 Performance was pretty decent when compared to RAID-1 considering the fact that the data components was placed across all four hosts when compared to the fact that RAID-1 will mostly pick two hosts to place the data components . TROUBLESHOOT VSAN VM STORAGE POLICY NON-COMPLIANCE & VASA Unable to re-apply storage policy , vm storage police non-complaint , vSAN VASA providers not working ? , find out amazing ways to troubleshoot and resolve all VASA and VM storage policy non-compliance related issues with vSAN 6.7 , vSAN 6.6 , vSAN 6.2 , vSAN 6.1 . WHAT IS VSAN SUPPORT INSIGHT ? QUICK OVERVIEW vSAN Support Insight was introduced last year with the release of vSAN 6.6.1 ( VC/ESXi 6.5 U1 Patch 02 and above) . It is a phone home system leveraging the existing vCenter Customer Experience ImprovementProgram (CEIP).
HOW TO RUN VSAN PERFORMANCE TESTS? BEST PRACTICES Validate and kick of the bench mark test Run. Post Deployment and Test completion , you must be seeing a bunch of vdbench test machines with multiple disks attached to them on which the benchmark tests were run , the below test was run with easyMode on the VDbench test which deployed about 6 VMs on the three node vSAN cluster and each VM had 9 HOW TO CONVERT VSAN CLUSTER TO STRETCHED CLUSTER & VICEVERSA? Step2: Place the host esxi-3 and esxi-4 in maintenance mode with ensure accessibility , which means that the VMs which are on this cluster will move to the hosts : esxi-1 and esxi-2 . Also if there were any objects which would go inaccessible without host esxi-3 and esxi-4 will be rebuilt onto hosts esxi-1 and esxi-2 (like Ftt-0 objects) before the hosts completely enter maintenance mode and HCI MESH™ -FEATURE WALKTHROUGH HCI Mesh™ is one of the new feature that is introduced with vSAN 7 Update 1 release.HCI Mesh™ provides disaggregation of compute and storage by allowing vSAN customers to share vSAN datastores between two or more clusters. vSAN administrators can setup a relationship between two to five clusters and allow these clusters to borrow/share vSAN datastore capacity. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. HOW TO TROUBLESHOOT ENCYRPTED VSAN CLUSTER Navigate to the path /etc/vmware/ssl on one of the hosts which is part of the vSAN-encrypted cluster and check the certificates on the files vsan_kms_client.crt (client Certificate) , vsan_kms_client.key (private key)and vsan_kms_castore.pem . The vsan_kms_castore.pem file is a copy of the server certificate that the host uses to compare with HOW TO DOWNLOAD VIRTUAL MACHINE MEMORY FILE FOR VSAN Option 1 : If we have a local datastore which should have equivalent to the size of the .vmem file (memory size of the virtual machine) or greater free space available then. Browse the datastore , select the .vmem file . Next drag and drop the .vmem file from the vSAN datastore to the local datastore .This will initiate a full copy of theVIRTUALLY SENSEI
vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is General-vSphere. HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN Understanding vsan Objects and Components. To understand vSAN component placement and sizing , we should be proficient in creating storage policy and understand the parameters you choose while creating a storage policy . I recommend you to read the vm-storage-policy guidebefore proceeding .
VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY This new method of component placement is helping us by reducing transient/slack space requirement for storage policy changes and for failure handling at the cluster level by working on smaller subset of components (One leg at a time). Reserved Capacity based on deployment variables in vSAN 7 U1: •12 node cluster = ~18%. HOW TO UPGRADE TO VXRAIL™ 7.0 The following pre-requisites applies to most of the VxRail appliances, however as discussed earlier, you will need to access DELL-EMC Solve Desktop to generate all the steps for your upgrade to version 7.0. First step is to run the VxVerify scripts from KB:536801 (**portal auth required), this will run multiple scripts on the VxRailManager WSFC WITH NATIVE SHARED DISKS ON VSAN Configuring vSAN native WSFC. Create a new virtual SCSI Controller using the “ physical ” option set for the SCSI Bus Sharing setting. This is the virtual SCSI controller that will be used by the shared VMDK. For the given VMDK that will be shared, assign it to the virtual SCSI Controller created above, and ensure the disk mode is setto
HOW TO INSTALL, CONFIGURE, MIGRATE To migrate any SRM-windows version to be able to migrate to SRM-8.2 appliance , we have to first upgrade the windows SRM version to 8.2 , and then initiate the Migration Process . Step1 : Login to the current SRM-Windows VM running SRM-8.1 and stop the SRM service . Step2: Launch command prompt change directory to : C:\Program Files\VMware SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health isVIRTUALLY SENSEI
vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is General-vSphere. HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN Understanding vsan Objects and Components. To understand vSAN component placement and sizing , we should be proficient in creating storage policy and understand the parameters you choose while creating a storage policy . I recommend you to read the vm-storage-policy guidebefore proceeding .
VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY This new method of component placement is helping us by reducing transient/slack space requirement for storage policy changes and for failure handling at the cluster level by working on smaller subset of components (One leg at a time). Reserved Capacity based on deployment variables in vSAN 7 U1: •12 node cluster = ~18%. HOW TO UPGRADE TO VXRAIL™ 7.0 The following pre-requisites applies to most of the VxRail appliances, however as discussed earlier, you will need to access DELL-EMC Solve Desktop to generate all the steps for your upgrade to version 7.0. First step is to run the VxVerify scripts from KB:536801 (**portal auth required), this will run multiple scripts on the VxRailManager WSFC WITH NATIVE SHARED DISKS ON VSAN Configuring vSAN native WSFC. Create a new virtual SCSI Controller using the “ physical ” option set for the SCSI Bus Sharing setting. This is the virtual SCSI controller that will be used by the shared VMDK. For the given VMDK that will be shared, assign it to the virtual SCSI Controller created above, and ensure the disk mode is setto
HOW TO INSTALL, CONFIGURE, MIGRATE To migrate any SRM-windows version to be able to migrate to SRM-8.2 appliance , we have to first upgrade the windows SRM version to 8.2 , and then initiate the Migration Process . Step1 : Login to the current SRM-Windows VM running SRM-8.1 and stop the SRM service . Step2: Launch command prompt change directory to : C:\Program Files\VMware SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health is HOW TO INSTALL AND CONFIGURE SRM 8.1 AND VR 8.1 New Blog Post for “How to install , configure and Migrate to SRM 8.2” ,if you are interested to deploy SRM 8.2 instead of SRM 8.1 . SRM 8.2 comes with the appliance edition and is far more easier and faster to deploy and configure . This was just released in May 2019 . HOW TO USE HCIBENCH AND ACHIEVE BEST PERFORMANCE ON VSAN Run Test and Review results; I was able to run different tests with this cluster and found that the RAID-5 Performance was pretty decent when compared to RAID-1 considering the fact that the data components was placed across all four hosts when compared to the fact that RAID-1 will mostly pick two hosts to place the data components . TROUBLESHOOT VSAN VM STORAGE POLICY NON-COMPLIANCE & VASA Unable to re-apply storage policy , vm storage police non-complaint , vSAN VASA providers not working ? , find out amazing ways to troubleshoot and resolve all VASA and VM storage policy non-compliance related issues with vSAN 6.7 , vSAN 6.6 , vSAN 6.2 , vSAN 6.1 . WHAT IS VSAN SUPPORT INSIGHT ? QUICK OVERVIEW vSAN Support Insight was introduced last year with the release of vSAN 6.6.1 ( VC/ESXi 6.5 U1 Patch 02 and above) . It is a phone home system leveraging the existing vCenter Customer Experience ImprovementProgram (CEIP).
HOW TO RUN VSAN PERFORMANCE TESTS? BEST PRACTICES Validate and kick of the bench mark test Run. Post Deployment and Test completion , you must be seeing a bunch of vdbench test machines with multiple disks attached to them on which the benchmark tests were run , the below test was run with easyMode on the VDbench test which deployed about 6 VMs on the three node vSAN cluster and each VM had 9 HOW TO CONVERT VSAN CLUSTER TO STRETCHED CLUSTER & VICEVERSA? Step2: Place the host esxi-3 and esxi-4 in maintenance mode with ensure accessibility , which means that the VMs which are on this cluster will move to the hosts : esxi-1 and esxi-2 . Also if there were any objects which would go inaccessible without host esxi-3 and esxi-4 will be rebuilt onto hosts esxi-1 and esxi-2 (like Ftt-0 objects) before the hosts completely enter maintenance mode and HCI MESH™ -FEATURE WALKTHROUGH HCI Mesh™ is one of the new feature that is introduced with vSAN 7 Update 1 release.HCI Mesh™ provides disaggregation of compute and storage by allowing vSAN customers to share vSAN datastores between two or more clusters. vSAN administrators can setup a relationship between two to five clusters and allow these clusters to borrow/share vSAN datastore capacity. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. HOW TO TROUBLESHOOT ENCYRPTED VSAN CLUSTER Navigate to the path /etc/vmware/ssl on one of the hosts which is part of the vSAN-encrypted cluster and check the certificates on the files vsan_kms_client.crt (client Certificate) , vsan_kms_client.key (private key)and vsan_kms_castore.pem . The vsan_kms_castore.pem file is a copy of the server certificate that the host uses to compare with HOW TO DOWNLOAD VIRTUAL MACHINE MEMORY FILE FOR VSAN Option 1 : If we have a local datastore which should have equivalent to the size of the .vmem file (memory size of the virtual machine) or greater free space available then. Browse the datastore , select the .vmem file . Next drag and drop the .vmem file from the vSAN datastore to the local datastore .This will initiate a full copy of theVIRTUALLY SENSEI
vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is General-vSphere. HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN Understanding vsan Objects and Components. To understand vSAN component placement and sizing , we should be proficient in creating storage policy and understand the parameters you choose while creating a storage policy . I recommend you to read the vm-storage-policy guidebefore proceeding .
VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY This new method of component placement is helping us by reducing transient/slack space requirement for storage policy changes and for failure handling at the cluster level by working on smaller subset of components (One leg at a time). Reserved Capacity based on deployment variables in vSAN 7 U1: •12 node cluster = ~18%. HOW TO UPGRADE TO VXRAIL™ 7.0 The following pre-requisites applies to most of the VxRail appliances, however as discussed earlier, you will need to access DELL-EMC Solve Desktop to generate all the steps for your upgrade to version 7.0. First step is to run the VxVerify scripts from KB:536801 (**portal auth required), this will run multiple scripts on the VxRailManager WSFC WITH NATIVE SHARED DISKS ON VSAN Configuring vSAN native WSFC. Create a new virtual SCSI Controller using the “ physical ” option set for the SCSI Bus Sharing setting. This is the virtual SCSI controller that will be used by the shared VMDK. For the given VMDK that will be shared, assign it to the virtual SCSI Controller created above, and ensure the disk mode is setto
HOW TO INSTALL, CONFIGURE, MIGRATE To migrate any SRM-windows version to be able to migrate to SRM-8.2 appliance , we have to first upgrade the windows SRM version to 8.2 , and then initiate the Migration Process . Step1 : Login to the current SRM-Windows VM running SRM-8.1 and stop the SRM service . Step2: Launch command prompt change directory to : C:\Program Files\VMware SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health isVIRTUALLY SENSEI
vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is General-vSphere. HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN Understanding vsan Objects and Components. To understand vSAN component placement and sizing , we should be proficient in creating storage policy and understand the parameters you choose while creating a storage policy . I recommend you to read the vm-storage-policy guidebefore proceeding .
VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY This new method of component placement is helping us by reducing transient/slack space requirement for storage policy changes and for failure handling at the cluster level by working on smaller subset of components (One leg at a time). Reserved Capacity based on deployment variables in vSAN 7 U1: •12 node cluster = ~18%. HOW TO UPGRADE TO VXRAIL™ 7.0 The following pre-requisites applies to most of the VxRail appliances, however as discussed earlier, you will need to access DELL-EMC Solve Desktop to generate all the steps for your upgrade to version 7.0. First step is to run the VxVerify scripts from KB:536801 (**portal auth required), this will run multiple scripts on the VxRailManager WSFC WITH NATIVE SHARED DISKS ON VSAN Configuring vSAN native WSFC. Create a new virtual SCSI Controller using the “ physical ” option set for the SCSI Bus Sharing setting. This is the virtual SCSI controller that will be used by the shared VMDK. For the given VMDK that will be shared, assign it to the virtual SCSI Controller created above, and ensure the disk mode is setto
HOW TO INSTALL, CONFIGURE, MIGRATE To migrate any SRM-windows version to be able to migrate to SRM-8.2 appliance , we have to first upgrade the windows SRM version to 8.2 , and then initiate the Migration Process . Step1 : Login to the current SRM-Windows VM running SRM-8.1 and stop the SRM service . Step2: Launch command prompt change directory to : C:\Program Files\VMware SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health is HOW TO INSTALL AND CONFIGURE SRM 8.1 AND VR 8.1 New Blog Post for “How to install , configure and Migrate to SRM 8.2” ,if you are interested to deploy SRM 8.2 instead of SRM 8.1 . SRM 8.2 comes with the appliance edition and is far more easier and faster to deploy and configure . This was just released in May 2019 . HOW TO USE HCIBENCH AND ACHIEVE BEST PERFORMANCE ON VSAN To achieve a satisfactory vSAN performance results , one must be aware of what kind of applications this cluster is expected to run , the type of drives used and have a reasonable expectations which will result in a satisfactory result . Please understand that the results what we see with any benchmarking tool (Synthetic workload) may not be TROUBLESHOOT VSAN VM STORAGE POLICY NON-COMPLIANCE & VASA Unable to re-apply storage policy , vm storage police non-complaint , vSAN VASA providers not working ? , find out amazing ways to troubleshoot and resolve all VASA and VM storage policy non-compliance related issues with vSAN 6.7 , vSAN 6.6 , vSAN 6.2 , vSAN 6.1 . WHAT IS VSAN SUPPORT INSIGHT ? QUICK OVERVIEW vSAN Support Insight was introduced last year with the release of vSAN 6.6.1 ( VC/ESXi 6.5 U1 Patch 02 and above) . It is a phone home system leveraging the existing vCenter Customer Experience ImprovementProgram (CEIP).
HOW TO RUN VSAN PERFORMANCE TESTS? BEST PRACTICES Validate and kick of the bench mark test Run. Post Deployment and Test completion , you must be seeing a bunch of vdbench test machines with multiple disks attached to them on which the benchmark tests were run , the below test was run with easyMode on the VDbench test which deployed about 6 VMs on the three node vSAN cluster and each VM had 9 HOW TO CONVERT VSAN CLUSTER TO STRETCHED CLUSTER & VICEVERSA? Step2: Place the host esxi-3 and esxi-4 in maintenance mode with ensure accessibility , which means that the VMs which are on this cluster will move to the hosts : esxi-1 and esxi-2 . Also if there were any objects which would go inaccessible without host esxi-3 and esxi-4 will be rebuilt onto hosts esxi-1 and esxi-2 (like Ftt-0 objects) before the hosts completely enter maintenance mode and HCI MESH™ -FEATURE WALKTHROUGH HCI Mesh™ is one of the new feature that is introduced with vSAN 7 Update 1 release.HCI Mesh™ provides disaggregation of compute and storage by allowing vSAN customers to share vSAN datastores between two or more clusters. vSAN administrators can setup a relationship between two to five clusters and allow these clusters to borrow/share vSAN datastore capacity. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. HOW TO TROUBLESHOOT ENCYRPTED VSAN CLUSTER Navigate to the path /etc/vmware/ssl on one of the hosts which is part of the vSAN-encrypted cluster and check the certificates on the files vsan_kms_client.crt (client Certificate) , vsan_kms_client.key (private key)and vsan_kms_castore.pem . The vsan_kms_castore.pem file is a copy of the server certificate that the host uses to compare with HOW TO DOWNLOAD VIRTUAL MACHINE MEMORY FILE FOR VSAN Option 1 : If we have a local datastore which should have equivalent to the size of the .vmem file (memory size of the virtual machine) or greater free space available then. Browse the datastore , select the .vmem file . Next drag and drop the .vmem file from the vSAN datastore to the local datastore .This will initiate a full copy of theVIRTUALLY SENSEI
vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSANenvironment is
HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 HOW TO UPGRADE TO VXRAIL™ 7.0 Post Upgrade Summary; 7. After Upgrade is complete,ensure you delete all the snapshots on the management appliances after monitoring the cluster for a day or two, running VMs on snapshot will lead to performance issues and un-necessary space consumption on vSANdatastore.
UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN What happens when we change the SW for an objects thru storage policy Ftt=1 and SW=2 to FTT=1 and SW=3 . For a brief period of time , double the storage capacity will be consumed by this object until new object/component creations complete , post which original components and objects are deleted . VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY 500GB,FTT=1,RAID-1,SW=3.png. As mentioned in the picture number CLOM has decided to create RAID-1 Trees with two RAID-0 sets on each leg. First set of RAID-0 group have four components each with 85 GB and the second set of RAID-0 group with ~81.6GB. SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. WSFC WITH NATIVE SHARED DISKS ON VSAN With introduction of vSAN 6.7 U3 / vSphere 6.7 U3 we now have native support for SCSI-3 Persistent reservation on vSAN objects. This means that we no longer need vSAN iSCSI targets for creating application level clustering services like Windows Server Failover Clusters (WSFC) which needs to share a disk in order to determine ownership across the application cluster. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is TROUBLESHOOT VSAN VM STORAGE POLICY NON-COMPLIANCE & VASA Unable to re-apply storage policy , vm storage police non-complaint , vSAN VASA providers not working ? , find out amazing ways to troubleshoot and resolve all VASA and VM storage policy non-compliance related issues with vSAN 6.7 , vSAN 6.6 , vSAN 6.2 , vSAN 6.1 . UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step2: If this was the problem with just one cluster under the vCenter server and if other vSAN enabled cluster were responding fine . Thenthe problem is
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vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSANenvironment is
HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN What happens when we change the SW for an objects thru storage policy Ftt=1 and SW=2 to FTT=1 and SW=3 . For a brief period of time , double the storage capacity will be consumed by this object until new object/component creations complete , post which original components and objects are deleted . HOW TO INSTALL, CONFIGURE, MIGRATE Steps to install, Configure and Manage SRM 8.2 , Migration to SRM 8.2, installing SRA-VA via UI/CLI on SRM, Encrypted replication viaVR-8.2,vSAN more..
SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. WSFC WITH NATIVE SHARED DISKS ON VSAN With introduction of vSAN 6.7 U3 / vSphere 6.7 U3 we now have native support for SCSI-3 Persistent reservation on vSAN objects. This means that we no longer need vSAN iSCSI targets for creating application level clustering services like Windows Server Failover Clusters (WSFC) which needs to share a disk in order to determine ownership across the application cluster. VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is HOW TO LOG INTO RVC OR RUBY VSPHERE CONSOLE FOR VSAN? The rvc.bat file is going to attempt logging into your vcenter sever by default with account “administrator@vsphere.local” , however not everyone may have access to this user account or the default vsphere.local might have been changed to a different name during installation of PSC or you may want to login with your administrator account of AD which has permission on your vcenter server . TROUBLESHOOT VSAN VM STORAGE POLICY NON-COMPLIANCE & VASA Unable to re-apply storage policy , vm storage police non-complaint , vSAN VASA providers not working ? , find out amazing ways to troubleshoot and resolve all VASA and VM storage policy non-compliance related issues with vSAN 6.7 , vSAN 6.6 , vSAN 6.2 , vSAN 6.1 . UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step2: If this was the problem with just one cluster under the vCenter server and if other vSAN enabled cluster were responding fine . Thenthe problem is
HOW TO INSTALL AND CONFIGURE SRM 8.1 AND VR 8.1 New Blog Post for “How to install , configure and Migrate to SRM 8.2” ,if you are interested to deploy SRM 8.2 instead of SRM 8.1 . SRM 8.2 comes with the appliance edition and is far more easier and faster to deploy and configure . This was just released in May 2019 . WHAT IS VSAN SUPPORT INSIGHT ? QUICK OVERVIEW vSAN Support Insight was introduced last year with the release of vSAN 6.6.1 ( VC/ESXi 6.5 U1 Patch 02 and above) . It is a phone home system leveraging the existing vCenter Customer Experience ImprovementProgram (CEIP).
HOW TO USE HCIBENCH AND ACHIEVE BEST PERFORMANCE ON VSAN Run Test and Review results; I was able to run different tests with this cluster and found that the RAID-5 Performance was pretty decent when compared to RAID-1 considering the fact that the data components was placed across all four hosts when compared to the fact that RAID-1 will mostly pick two hosts to place the data components . UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step2: If this was the problem with just one cluster under the vCenter server and if other vSAN enabled cluster were responding fine . Thenthe problem is
HOW TO RUN VSAN PERFORMANCE TESTS? BEST PRACTICES After you setup a new vSAN/VxRAIL/VxRACK HCI deployment , you will definitely need to benchmark your cluster before moving it to production . Here is your small guide to “vSAN Performance Benchmark” using a famous useful tool called HCI Bench which is freely available on VMware Labs website .. You may be wondering what is the recommended and correct way to test the performance VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is HCI MESH™ -FEATURE WALKTHROUGH HCI Mesh™ is one of the new feature that is introduced with vSAN 7 Update 1 release.HCI Mesh™ provides disaggregation of compute and storage by allowing vSAN customers to share vSAN datastores between two or more clusters. vSAN administrators can setup a relationship between two to five clusters and allow these clusters to borrow/share vSAN datastore capacity. HOW TO CONVERT VSAN CLUSTER TO STRETCHED CLUSTER & VICEVERSA? Step2: Place the host esxi-3 and esxi-4 in maintenance mode with ensure accessibility , which means that the VMs which are on this cluster will move to the hosts : esxi-1 and esxi-2 . Also if there were any objects which would go inaccessible without host esxi-3 and esxi-4 will be rebuilt onto hosts esxi-1 and esxi-2 (like Ftt-0 objects) before the hosts completely enter maintenance mode and HOW TO DOWNLOAD VIRTUAL MACHINE MEMORY FILE FOR VSAN admin. I am a Technical Support Engineer with VMware global support from the year 2015. My current focus is with VMware vSAN ® and VxRail™ ,my overall expertise is around storage availability business unit (VMware vSAN ®, VMware Site Recovery Manager® and Vsphere Data Protection® ). HOW TO MIGRATION VIRTUAL MACHINES ACROSS TWO VCENTER NOT Simple Easy GUI tool that allows you to migrate virtual machines between two vcenter servers 6.0 or higher which are not in the same SSO domain , this also includes migrations from 6.0 vcenter to 6.5 vcenter server .. Read more @ virtuiallysensei.comVIRTUALLY SENSEI
vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSANenvironment is
HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN What happens when we change the SW for an objects thru storage policy Ftt=1 and SW=2 to FTT=1 and SW=3 . For a brief period of time , double the storage capacity will be consumed by this object until new object/component creations complete , post which original components and objects are deleted . VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY 500GB,FTT=1,RAID-1,SW=3.png. As mentioned in the picture number CLOM has decided to create RAID-1 Trees with two RAID-0 sets on each leg. First set of RAID-0 group have four components each with 85 GB and the second set of RAID-0 group with ~81.6GB. HOW TO UPGRADE TO VXRAIL™ 7.0 Post Upgrade Summary; 7. After Upgrade is complete,ensure you delete all the snapshots on the management appliances after monitoring the cluster for a day or two, running VMs on snapshot will lead to performance issues and un-necessary space consumption on vSANdatastore.
WSFC WITH NATIVE SHARED DISKS ON VSAN With introduction of vSAN 6.7 U3 / vSphere 6.7 U3 we now have native support for SCSI-3 Persistent reservation on vSAN objects. This means that we no longer need vSAN iSCSI targets for creating application level clustering services like Windows Server Failover Clusters (WSFC) which needs to share a disk in order to determine ownership across the application cluster. SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. TROUBLESHOOT VSAN VM STORAGE POLICY NON-COMPLIANCE & VASA Unable to re-apply storage policy , vm storage police non-complaint , vSAN VASA providers not working ? , find out amazing ways to troubleshoot and resolve all VASA and VM storage policy non-compliance related issues with vSAN 6.7 , vSAN 6.6 , vSAN 6.2 , vSAN 6.1 . VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step2: If this was the problem with just one cluster under the vCenter server and if other vSAN enabled cluster were responding fine . Thenthe problem is
VIRTUALLY SENSEI
vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSANenvironment is
HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIES Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN What happens when we change the SW for an objects thru storage policy Ftt=1 and SW=2 to FTT=1 and SW=3 . For a brief period of time , double the storage capacity will be consumed by this object until new object/component creations complete , post which original components and objects are deleted . VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY 500GB,FTT=1,RAID-1,SW=3.png. As mentioned in the picture number CLOM has decided to create RAID-1 Trees with two RAID-0 sets on each leg. First set of RAID-0 group have four components each with 85 GB and the second set of RAID-0 group with ~81.6GB. HOW TO UPGRADE TO VXRAIL™ 7.0 Post Upgrade Summary; 7. After Upgrade is complete,ensure you delete all the snapshots on the management appliances after monitoring the cluster for a day or two, running VMs on snapshot will lead to performance issues and un-necessary space consumption on vSANdatastore.
WSFC WITH NATIVE SHARED DISKS ON VSAN With introduction of vSAN 6.7 U3 / vSphere 6.7 U3 we now have native support for SCSI-3 Persistent reservation on vSAN objects. This means that we no longer need vSAN iSCSI targets for creating application level clustering services like Windows Server Failover Clusters (WSFC) which needs to share a disk in order to determine ownership across the application cluster. SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. TROUBLESHOOT VSAN VM STORAGE POLICY NON-COMPLIANCE & VASA Unable to re-apply storage policy , vm storage police non-complaint , vSAN VASA providers not working ? , find out amazing ways to troubleshoot and resolve all VASA and VM storage policy non-compliance related issues with vSAN 6.7 , vSAN 6.6 , vSAN 6.2 , vSAN 6.1 . VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step2: If this was the problem with just one cluster under the vCenter server and if other vSAN enabled cluster were responding fine . Thenthe problem is
HOW TO INSTALL AND CONFIGURE SRM 8.1 AND VR 8.1 New Blog Post for “How to install , configure and Migrate to SRM 8.2” ,if you are interested to deploy SRM 8.2 instead of SRM 8.1 . SRM 8.2 comes with the appliance edition and is far more easier and faster to deploy and configure . This was just released in May 2019 . HOW TO USE HCIBENCH AND ACHIEVE BEST PERFORMANCE ON VSAN Run Test and Review results; I was able to run different tests with this cluster and found that the RAID-5 Performance was pretty decent when compared to RAID-1 considering the fact that the data components was placed across all four hosts when compared to the fact that RAID-1 will mostly pick two hosts to place the data components . WHAT IS VSAN SUPPORT INSIGHT ? QUICK OVERVIEW vSAN Support Insight was introduced last year with the release of vSAN 6.6.1 ( VC/ESXi 6.5 U1 Patch 02 and above) . It is a phone home system leveraging the existing vCenter Customer Experience ImprovementProgram (CEIP).
VSAN 7 UPDATE 1/ VSAN 7.0 U1 ALL FEATURE WALKTHROUGH vSAN 7.0 U1/ vSAN 7 Update1 is one of the biggest release for vSAN in last couple of years, there is a long list of new features that are added/released with this version. This blog article talks briefly on all the important features for vSAN7 Update1 / vSAN 7.0 U1.I will be covering all the features exclusively on newer dedicated posts for each of the features. HOW TO RUN VSAN PERFORMANCE TESTS? BEST PRACTICES After you setup a new vSAN/VxRAIL/VxRACK HCI deployment , you will definitely need to benchmark your cluster before moving it to production . Here is your small guide to “vSAN Performance Benchmark” using a famous useful tool called HCI Bench which is freely available on VMware Labs website .. You may be wondering what is the recommended and correct way to test the performance HCI MESH™ -FEATURE WALKTHROUGH HCI Mesh™ is one of the new feature that is introduced with vSAN 7 Update 1 release.HCI Mesh™ provides disaggregation of compute and storage by allowing vSAN customers to share vSAN datastores between two or more clusters. vSAN administrators can setup a relationship between two to five clusters and allow these clusters to borrow/share vSAN datastore capacity. UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step2: If this was the problem with just one cluster under the vCenter server and if other vSAN enabled cluster were responding fine . Thenthe problem is
VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is HOW TO LOG INTO RVC OR RUBY VSPHERE CONSOLE FOR VSAN? The rvc.bat file is going to attempt logging into your vcenter sever by default with account “administrator@vsphere.local” , however not everyone may have access to this user account or the default vsphere.local might have been changed to a different name during installation of PSC or you may want to login with your administrator account of AD which has permission on your vcenter server . HOW TO DOWNLOAD VIRTUAL MACHINE MEMORY FILE FOR VSAN admin. I am a Technical Support Engineer with VMware global support from the year 2015. My current focus is with VMware vSAN ® and VxRail™ ,my overall expertise is around storage availability business unit (VMware vSAN ®, VMware Site Recovery Manager® and Vsphere Data Protection® ).VIRTUALLY SENSEI
vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is General-vSphere. UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN Understanding vsan Objects and Components. To understand vSAN component placement and sizing , we should be proficient in creating storage policy and understand the parameters you choose while creating a storage policy . I recommend you to read the vm-storage-policy guidebefore proceeding .
VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY This new method of component placement is helping us by reducing transient/slack space requirement for storage policy changes and for failure handling at the cluster level by working on smaller subset of components (One leg at a time). Reserved Capacity based on deployment variables in vSAN 7 U1: •12 node cluster = ~18%. HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIESHOW TO SETUP VSANHOW VSAN WORKSCONFIGURING VSAN NETWORKINSTALL VSAN 6 7VMWARE VSAN CONFIGURATIONVSAN CONFIGURATION GUIDE Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 WSFC WITH NATIVE SHARED DISKS ON VSAN Configuring vSAN native WSFC. Create a new virtual SCSI Controller using the “ physical ” option set for the SCSI Bus Sharing setting. This is the virtual SCSI controller that will be used by the shared VMDK. For the given VMDK that will be shared, assign it to the virtual SCSI Controller created above, and ensure the disk mode is setto
SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. HOW TO CONVERT VSAN CLUSTER TO STRETCHED CLUSTER & VICEVERSA?HOW TO SETUP VSANVSAN 6 7 STRETCHED CLUSTER2 NODE VSAN CLUSTERSETUP VSAN CLUSTERVSAN STRETCHED CLUSTER GUIDESINGLE HOST VSAN Step2: Place the host esxi-3 and esxi-4 in maintenance mode with ensure accessibility , which means that the VMs which are on this cluster will move to the hosts : esxi-1 and esxi-2 . Also if there were any objects which would go inaccessible without host esxi-3 and esxi-4 will be rebuilt onto hosts esxi-1 and esxi-2 (like Ftt-0 objects) before the hosts completely enter maintenance mode and HOW TO UPGRADE TO VXRAIL™ 7.0 The following pre-requisites applies to most of the VxRail appliances, however as discussed earlier, you will need to access DELL-EMC Solve Desktop to generate all the steps for your upgrade to version 7.0. First step is to run the VxVerify scripts from KB:536801 (**portal auth required), this will run multiple scripts on the VxRailManager VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. HOW TO TROUBLESHOOT ENCYRPTED VSAN CLUSTER Navigate to the path /etc/vmware/ssl on one of the hosts which is part of the vSAN-encrypted cluster and check the certificates on the files vsan_kms_client.crt (client Certificate) , vsan_kms_client.key (private key)and vsan_kms_castore.pem . The vsan_kms_castore.pem file is a copy of the server certificate that the host uses to compare withVIRTUALLY SENSEI
vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSANenvironment is
UNDERSTANDING COMPONENT PLACEMENTS AND SIZING IN VSAN What happens when we change the SW for an objects thru storage policy Ftt=1 and SW=2 to FTT=1 and SW=3 . For a brief period of time , double the storage capacity will be consumed by this object until new object/component creations complete , post which original components and objects are deleted . HOW TO PERFORM VSAN CLUSTER MAINTENANCE ACTIVITIESHOW TO SETUP VSANHOW VSAN WORKSCONFIGURING VSAN NETWORKINSTALL VSAN 6 7VMWARE VSAN CONFIGURATIONVSAN CONFIGURATION GUIDE Step7 : After confirming resync completion (or 0GB to resync) , you may proceed to reboot the next hosts if at you had plans for other hosts , continue following Steps 1 to 5 in a cyclic manner one host after another .; For more information regarding steps and best practices see VMware KB-here which has the procedure to power down and power-up vSAN clusters and admin guides for vSAN 6.1 , 6.2 VSAN 7 U1 COMPONENT PLACEMENT & TRANSIENT CAPACITY 500GB,FTT=1,RAID-1,SW=3.png. As mentioned in the picture number CLOM has decided to create RAID-1 Trees with two RAID-0 sets on each leg. First set of RAID-0 group have four components each with 85 GB and the second set of RAID-0 group with ~81.6GB. HOW TO UPGRADE TO VXRAIL™ 7.0 Post Upgrade Summary; 7. After Upgrade is complete,ensure you delete all the snapshots on the management appliances after monitoring the cluster for a day or two, running VMs on snapshot will lead to performance issues and un-necessary space consumption on vSANdatastore.
WSFC WITH NATIVE SHARED DISKS ON VSAN With introduction of vSAN 6.7 U3 / vSphere 6.7 U3 we now have native support for SCSI-3 Persistent reservation on vSAN objects. This means that we no longer need vSAN iSCSI targets for creating application level clustering services like Windows Server Failover Clusters (WSFC) which needs to share a disk in order to determine ownership across the application cluster. SRM 8.3 & VSPHERE REPLICATION 8.3 WALK THROUGH SRM 8.3 and vSphere Replication 8.3 bring in long awaited features,UI changes, security and performance improvements. In this blog we shall be going over some of the features and enhancements which you may consider to upgrade from the previous releases to this version as soon as possible as these features helps to reduce a lot of manual work and adds value to your every day task. HOW TO CONVERT VSAN CLUSTER TO STRETCHED CLUSTER & VICEVERSA?HOW TO SETUP VSANVSAN 6 7 STRETCHED CLUSTER2 NODE VSAN CLUSTERSETUP VSAN CLUSTERVSAN STRETCHED CLUSTER GUIDESINGLE HOST VSAN Step2: Place the host esxi-3 and esxi-4 in maintenance mode with ensure accessibility , which means that the VMs which are on this cluster will move to the hosts : esxi-1 and esxi-2 . Also if there were any objects which would go inaccessible without host esxi-3 and esxi-4 will be rebuilt onto hosts esxi-1 and esxi-2 (like Ftt-0 objects) before the hosts completely enter maintenance mode and VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is HOW TO TROUBLESHOOT ENCYRPTED VSAN CLUSTER All additional details from krypto-safemode is avaialable here. Certificate related issues. If we were missing any of the file which contains certificate data under /etc/vmware/ssl (vsan_kms_castore.pem , vsan_kms_client.crt , vsan_kms_client.key) you will see errors relating to certificates on the same syslog.log file .To simulate this problem I simply placed host-1 in MM Mode HOW TO INSTALL AND CONFIGURE SRM 8.1 AND VR 8.1 New Blog Post for “How to install , configure and Migrate to SRM 8.2” ,if you are interested to deploy SRM 8.2 instead of SRM 8.1 . SRM 8.2 comes with the appliance edition and is far more easier and faster to deploy and configure . This was just released in May 2019 . HOW TO INSTALL, CONFIGURE, MIGRATE To migrate any SRM-windows version to be able to migrate to SRM-8.2 appliance , we have to first upgrade the windows SRM version to 8.2 , and then initiate the Migration Process . Step1 : Login to the current SRM-Windows VM running SRM-8.1 and stop the SRM service . Step2: Launch command prompt change directory to : C:\Program Files\VMware HOW TO USE HCIBENCH AND ACHIEVE BEST PERFORMANCE ON VSAN To achieve a satisfactory vSAN performance results , one must be aware of what kind of applications this cluster is expected to run , the type of drives used and have a reasonable expectations which will result in a satisfactory result . Please understand that the results what we see with any benchmarking tool (Synthetic workload) may not be HCI MESH™ -FEATURE WALKTHROUGH HCI Mesh™ is one of the new feature that is introduced with vSAN 7 Update 1 release.HCI Mesh™ provides disaggregation of compute and storage by allowing vSAN customers to share vSAN datastores between two or more clusters. vSAN administrators can setup a relationship between two to five clusters and allow these clusters to borrow/share vSAN datastore capacity. TROUBLESHOOT VSAN VM STORAGE POLICY NON-COMPLIANCE & VASA Unable to re-apply storage policy , vm storage police non-complaint , vSAN VASA providers not working ? , find out amazing ways to troubleshoot and resolve all VASA and VM storage policy non-compliance related issues with vSAN 6.7 , vSAN 6.6 , vSAN 6.2 , vSAN 6.1 . HOW TO RUN VSAN PERFORMANCE TESTS? BEST PRACTICES Validate and kick of the bench mark test Run. Post Deployment and Test completion , you must be seeing a bunch of vdbench test machines with multiple disks attached to them on which the benchmark tests were run , the below test was run with easyMode on the VDbench test which deployed about 6 VMs on the three node vSAN cluster and each VM had 9 VSAN SCRUBBER CHANGES 7.0U1C vSAN Scrubber changes 7.0U1c. vSAN Scrubber is a background operation at DOM owner. Scrubber performs detection (scrub) and fixing (recover) of checksum and IO errors. Mostly Checksum errors and I/O errors which are seen in vSAN environment is due to medium errors against the physical capacity disks where the data is persisted. HOW TO DOWNLOAD VIRTUAL MACHINE MEMORY FILE FOR VSAN Option 1 : If we have a local datastore which should have equivalent to the size of the .vmem file (memory size of the virtual machine) or greater free space available then. Browse the datastore , select the .vmem file . Next drag and drop the .vmem file from the vSAN datastore to the local datastore .This will initiate a full copy of the HOW TO LOG INTO RVC OR RUBY VSPHERE CONSOLE FOR VSAN? The rvc.bat file is going to attempt logging into your vcenter sever by default with account “administrator@vsphere.local” , however not everyone may have access to this user account or the default vsphere.local might have been changed to a different name during installation of PSC or you may want to login with your administrator account of AD which has permission on your vcenter server . UNABLE TO MANAGE VSAN ON WEBCLIENT -VIRTUALLYSENSEI.COM Step1: A simple fix is to check if the vSAN-health service is running or not on vCenter server , if found to be stopped start the service manually and check back on the web-client to see if everything is back to normal . Check if the vsan-health / vmware-vsan-health isSkip to content
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* vSAN Troubleshooting * Troubleshooting vSAN Encryption Deep Dive * PNOMA – A vSAN Troubleshooting Framework * Why does vSAN disks get unmounted ? * vSAN iSCSI targets configuration deep dive * How to troubleshoot issues with vSAN Storage policy compliance andVASA Providers ?
* Troubleshooting vSAN cluster partition vSAN 6.7 and vSAN 6.6* VxRAIL
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* vSAN Troubleshooting * Troubleshooting vSAN Encryption Deep Dive * PNOMA – A vSAN Troubleshooting Framework * Why does vSAN disks get unmounted ? * vSAN iSCSI targets configuration deep dive * How to troubleshoot issues with vSAN Storage policy compliance andVASA Providers ?
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VIRTUALLY SENSEI BLOGvSAN6.7
December 8, 2019
by admin ·
Published December 8, 2019 WSFC WITH NATIVE SHARED DISKS ON VSAN With introduction of vSAN 6.7 U3 / vSphere 6.7 U3 we now have native support for SCSI-3 Persistent reservation on vSAN objects. This means that we no longer need vSAN iSCSI targets for creating...vSAN Performance
May 30, 2019
by admin ·
Published May 30, 2019 · Last modified December 7, 2019 HOW STORAGE POLICY AFFECTS PERFORMANCE ON VSAN? In this guide we will be looking at how we can use different storage policy on vSAN datastore to fine tune performance for the virtual machines running on a vSAN Datastore . We will...vSAN Performance
/ vSAN TroubleshootingMay 21, 2019
by admin ·
Published May 21, 2019 WHATS NEW WITH HCIBENCH 2.0? We all know that there is a newer version of HCIBench 2.0 which was announced last month I was able to deploy and run this on one of the All-Flash Clusters , all new... SRM-VsphereReplicaitonMay 12, 2019
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Published May 12, 2019 · Last modified May 29, 2019 HOW TO INSTALL,CONFIGURE AND MIGRATE TO SITE RECOVERY MANAGER 8.2 ? This guide will walk you thru all the new features about SRM 8.2 and vSphere Replication and steps to install , configure , manage and migrate to SRM 8.2 . Also covers all the...vSAN Performance
February 17, 2019
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Published February 17, 2019 · Last modified December 7, 2019 HOW TO USE HCIBENCH AND ACHIEVE BEST PERFORMANCE ON VSAN ? Here is a detailed guide on how we may approach ways to optimize a vSAN cluster to deliver best performance on a cluster and find your answers to your questions. How do we assess... vSAN TroubleshootingJanuary 30, 2019
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Published January 30, 2019 HOW TO CONVERT STANDARD VSAN CLUSTER TO STRETCHED CLUSTER & VICEVERSA Here is a quick and easy guide to convert a normal vSAN cluster to a stretched cluster & converting a stretched cluster to a regular vSAN cluster . Converting a Standard vSAN cluster to... SRM-VsphereReplicaiton/
vSAN6.7
October 2, 2018
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Published October 2, 2018 HOW TO RE-CONFIG REPLICATION WITH EXISTING SEED ON VSAN I have been asked about re-configuring replication for a VM without deleting the destination folder for a VM which is already replicated . In a traditional storage , we were simply renaming the folders...vSAN-general
/ vSAN6.7
September 15, 2018
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Published September 15, 2018 · Last modified October 11, 2018 WHAT IS VSAN SUPPORT INSIGHT – CEIP? vSAN Support Insight was introduced last year with the release of vSAN 6.6.1 ( VC/ESXi 6.5 U1 Patch 02 and above) . It is a phone home system leveraging the existing vCenter Customer Experience...vSAN-general
/ vSAN6.7
August 24, 2018
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Published August 24, 2018 · Last modified November 18, 2018 HOW TO CONFIGURE VSAN ENCRYPTION? I have been asked about vSAN encryption a lot these days as the security requirement and standards are exponentially increasing in the IT industry . Data encryption is a key factor to make sure... vSAN TroubleshootingJuly 21, 2018
by admin ·
Published July 21, 2018 PNOMA – A VSAN TROUBLESHOOTING FRAMEWORK There are many questions revolving around different layers of vSAN back-end architecture and how we can isolate problems with vSAN or in general approach towards troubleshooting a problem with vSAN . Here isan...
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* Troubleshooting vSAN cluster partition vSAN 6.7 and vSAN 6.6* VxRAIL
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