View source for Removing failed disk or disk group from vSAN cluster

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=Removing failed capacity disk=
In case of a failed capacity disk we can remove it using:
# Go to Cluster -> Configure -> Disk management and view all disks in cluster.  We should be able to find a failed or inaccessible disk in cluster.
# Once the ESXi host is identified put the host in maintenance mode using "Ensure accessibility" option.
# We can remove the failed disk using graphical remove option.  This may require going to pre-check to ensure that removing it has no adverse effect.  We should not have any inaccessible object after removal.

Refer:
* https://kb.vmware.com/s/article/2150593


=Removing failed cache disk=
In case a cache disk fails we need to remove entire disk group.  For that:
# Go to Cluster -> Configure -> Disk management and view all disks in cluster.  We should be able to find a failed or inaccessible cache disk in cluster.
# Once the ESXi host is identified put the host in maintenance mode using "Ensure accessibility" option.
# We can remove the disk group which has failed cache disk using graphical remove disk group option

Refer:
* https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan-monitoring.doc/GUID-95E5DAF9-FE36-497B-90B4-DB1CA05FE935.html


=Command line removal of disk or disk-group=
The above steps can be done via CLI by referring https://kb.vmware.com/s/article/2150567



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