Repair Vmfs Volume [best] May 2026

First, identify the VMFS device UUID:

esxcli storage vmfs snapshot list Then, mount it manually: repair vmfs volume

For VMFS5/VMFS6, the built-in repair tool is limited. However, you can use the vmfs-tools suite from a Linux environment (not natively on ESXi). This is the safest approach for logical corruption. First, identify the VMFS device UUID: esxcli storage

Never write to a suspected corrupt VMFS volume before attempting data recovery. First, work in read-only mode. Always have current backups. Disclaimer: This guide is for informational purposes. Always test procedures in a lab environment before performing on production systems. Never write to a suspected corrupt VMFS volume

VMFS (Virtual Machine File System) is the backbone of VMware vSphere datastores. While robust, it is not immune to corruption. Issues can arise from sudden power loss, faulty storage hardware, improper VMFS version upgrades, or failed LUN resizing.