Repair Vmfs Metadata !free! Jun 2026

vmkfstools --fscheck /vmfs/devices/disks/naa.XXXXX:1

: For VMFS-5 and VMFS-6, the datastore must be unmounted from all ESXi hosts that have access to it. repair vmfs metadata

Repairing VMFS metadata is a critical procedure for restoring access to VMware ESXi datastores that have become unmountable or show signs of corruption. When metadata is damaged—often due to sudden power loss, RAID array degradation, or host crashes during snapshot operations—the virtual machine files (.vmdk, .vmx) may become inaccessible. vmkfstools --fscheck /vmfs/devices/disks/naa

: Start with a read-only check to identify issues: voma -m vmfs -f check -d /vmfs/devices/disks/DEVICE_NAME:PARTITION_NUMBER . : Start with a read-only check to identify

: VOMA may create a lost+found directory at the root of the volume to store orphaned files it recovers during the process. When VOMA Cannot Repair the Corruption

: If errors are found, use the fix or advfix function (the latter handles both VMFS and LVM modules).