If you have a , the repair commands are a great first attempt to save time. However, if the data is critical and your backup is old, do not attempt a repair. The risk of exacerbating corruption is too high.

Look for errors like:

vmfs-fs -R /vmfs/devices/disks/naa.YOUR_DISK_ID:5

If the VMFS volume appears in the storage adapters but does not mount automatically:

: After killing the identified PIDs with the kill command, try unmounting and then remounting the datastore. Phase 3: Data Recovery Tools