Issues with the HBA, fabric, or physical disk.
Running out of space due to uncommitted snapshots. repair vmfs datastore
: Verify if the LUN is visible to the ESXi host under Configure > Storage Devices . Issues with the HBA, fabric, or physical disk
VMware provides a surprisingly powerful yet underutilized command-line toolkit for datastore repair, primarily vmkfstools and esxcli storage filesystem . The most famous command in this domain is vmkfstools –fix , which performs a filesystem consistency check (FSCK) specific to VMFS. While newer versions have limited "fix" capabilities, it
💡 VOMA is primarily a diagnostic tool. While newer versions have limited "fix" capabilities, it is often safer to recover data than to force a repair on a severely damaged volume. Step 3: Handle VMFS Header Issues
These methods are safe first steps that do not alter the data on the disk.