Recover Vmfs 6 Datastore May 2026
esxcfg-volume -M <uuid_of_datastore> or force a mount if necessary:
vim-cmd hostsvc/datastore/attach <datastore_id> VMFS 6 stores a backup partition table and file system metadata in the first 1 MB and last 1 MB of the device. Even if the main partition table is lost, ESXi can often rediscover the volume using these backup structures. recover vmfs 6 datastore
esxcfg-scsidevs -m partedUtil getptbl /vmfs/devices/disks/naa.XXXXXX From there, you can manually using partedUtil setptbl and the saved VMFS partition layout. esxcfg-volume -M <
To recover a datastore (e.g., after a partition table loss, accidental deletion, or metadata corruption), a critical piece is: Reattach the datastore via ESXi CLI without reformatting If the datastore is missing but the underlying LUN/disk still contains VMFS signatures: after a partition table loss