Sometimes the ESXi host may stuck for very long time while loading vSAN while ESXi reboot. To isolate the issue from vSAN, you may need to boot the host without vSAN. Note: This may not be a feasible option if the data still exists on the host and the objects do not have sufficient raid […]
Category: vSAN
Deleting Inaccessible vSAN Objects
Sometimes you may see few objects in Inaccessible state in vSAN cluster. Any disruptive action like abrupt power failure, or swap objects could be the reason for inaccessible objects.If the objects are no longer needed, we can check and get rid of them. SSH into vCenter and browse to vSAN cluster in RVC : Run […]
How to silence vSAN Health checks
vSAN Health checks can be silenced through UI as well as RVC. Using both methods, we can silence the check, also restore any silent check. Through vSphere UI :- Through vCenter Ruby Console (RVC) :- RVC method uses the check IDs to silence or restore vSAN health checks. To list the status of all checks, […]
vSAN Encryption
vSAN provides feature to encrypt the data at rest. Below are pre-requisites to enable vSAN encryption – You will need a Key Management Server (KMS) vCenter should establish a trusted connection with the KMS server and vice versa User should have privileges on vCenter :Host.Inventory.EditClusterCryptographer.ManageEncryptionPolicyCryptographer.ManageKMSCryptographer.ManageKeys To enable encryption, Go to cluster -> Configure tab -> […]
vSAN TRIM/UNMAP
Automated UNMAP/TRIM feature is available in VSAN 6.7U1 onwards. However it is disabled by default, and has to be enabled. This feature is supported only on VMs with Hardware version 11 or later (Windows) and Hardware version 13 (Linux VMs). Virtual Machines needs to be Power cycled after enabling TRIM/UNMAP. Enabling TRIM/UNMAP on cluster is […]