df -h | grep vmfs a) Rescan storage adapter From ESXi shell:
partedUtil get /dev/disks/naa.YOUR_DISK_ID Or for all: recover vmfs datastore esxi 5
partedUtil set /dev/disks/naa.YOUR_DISK_ID 1 128 <end_sector> FB 0 Then rescan and mount. If native tools fail, use a Linux VM with the corrupted disk attached (physical RDM or passthrough). df -h | grep vmfs a) Rescan storage
esxcfg-rescan vmhbaX # Replace X with your HBA number Or via vim-cmd : recover vmfs datastore esxi 5