Vmfs Repair File System Jun 2026

: The most reliable way to handle VMFS corruption.

Note: This attempts to fix the filesystem label. If successful, run vobd or check /var/log/vobd.log to see the result. vmfs repair file system

This mounts the volume with a new UUID (changes the datastore ID). This is useful for cloned LUNs. : The most reliable way to handle VMFS corruption

VMFS File System Repair Target Users: VMware Administrators, Storage Engineers, Disaster Recovery Teams Problem Solved: VMFS datastores (especially VMFS-5/6/6.5) can become corrupted due to abrupt power loss, faulty HBAs, improper VMFS resignaturing, or metadata inconsistencies. Current recovery options (e.g., fsck.vmfs , ESXCLI, or third-party tools) are fragmented and lack clear GUI guidance. Goal: Provide a safe, guided, and robust repair mechanism for corrupted VMFS volumes without requiring full datastore reformatting. improper VMFS resignaturing

vmkfstools -F /vmfs/devices/disks/<DEVICE_ID>