esxcfg-datastore -m "/vmfs/devices/disks/naa.YOUR_DISK_ID:1" "DatastoreName" voma is the primary tool for VMFS repair.
esxcfg-datastore -l List VMFS volumes and their partitions: recover vmfs datastore esxi 5
First, if mounted:
esxcfg-datastore -u "DatastoreName" Mount: esxcfg-datastore -m "/vmfs/devices/disks/naa
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). recover vmfs datastore esxi 5