If the datastore is visible but not mounted, it may be detected as a "snapshot." You can use the following command via SSH to list detected volumes that are not currently mounted: esxcli storage vmfs snapshot list
: Services like Rossmann's RAID recovery specialize in rebuilding failed RAID 5, 6, and 10 arrays often used to host VMFS datastores. 4. Best Practices to Prevent Future Loss vmfs datastore recovery