vmfs-fuse /dev/sdb /mnt/recover -o ro This allows read-only mounting of VMFS 5. voma is the primary native tool for diagnosing and fixing VMFS corruption.
| Structure | Sector offset (relative to partition start) | |-----------|-----------------------------------------------| | VMFS FDC (File Descriptor) | 1-63 | | Heartbeat region 1 | 128 | | Heartbeat region 2 | 256 | | File/directory tables | 4096+ | recover vmfs 5 datastore
voma -m vmfs -f check -d /dev/disks/naa.xxxxxx:1 vmfs-fuse /dev/sdb /mnt/recover -o ro This allows read-only
esxcli storage vmfs snapshot resignature -l <original_label> Or mount as snapshot: recover vmfs 5 datastore
(For recovery engineers – do not modify manually without full understanding.)
esxcli storage core adapter rescan --all From vSphere Client: . 3.2 Restore VMFS Volume from Remaining Partition Table If the VMFS partition is missing but the LUN still has valid GPT/MBR: