Set the : For VMFS created via vSphere Client, this is typically 128 .
Before attempting any recovery, power off all VMs residing on the affected datastore to prevent further write operations. recover vmfs
If rescan fails but the partition table is intact, force mount the datastore. Set the : For VMFS created via vSphere
If the datastore appears as "snapshotted" or if the LUN ID/WWN changed (common when restoring from array backups), ESXi detects a mismatch in the VMFS metadata signature. If the datastore appears as "snapshotted" or if
Often the simplest fix—ESXi may have lost the datastore due to a transient path issue.
: Write changes ( w ) and run vmkfstools -V to trigger a rescan. Specialized VMFS Recovery Software
If the datastore was accidentally deleted but the data remains, you can manually restore the partition table via the ESXi shell using fdisk or partedUtil .