⚠️ Use -M (force mount) only when you are sure no other host has the datastore mounted read-write.
partedUtil setptbl /vmfs/devices/disks/naa.600... gpt \ "1 2048 4294967294 AA31E02A400F11DB9590000C2911D1B8 0"
If your storage is on a SAN or NAS, check if there are storage-level snapshots you can revert to. esxi recover vmfs partition
For ESXi 6.x and above:
The "Oh Sh*t" Moment: A Guide to Recovering Your Lost VMFS Partition ⚠️ Use -M (force mount) only when you
Ensure the host still sees the disk under Configuration > Storage Devices . If the disk isn't there, you have a hardware issue, not a partition issue. Phase 2: Manual Recovery via SSH (The Expert Route)
at the correct start sector (typically 2048 or 1MB aligned). First, get disk geometry: For ESXi 6
Check the current partition table of the identified disk to confirm the VMFS partition is missing or corrupt.
You’ll see unmounted VMFS volumes labeled as “snapshot” or “not mounted.”
If the partition table is correct (Partition 3 exists) but the datastore is unmounted or appears as "inactive," you can try to mount it manually.