If your storage array supports raw LUN snapshots, take a hardware snapshot immediately. This allows you to roll back if a repair command fails or worsens the corruption. 3. Step-by-Step Diagnostic Procedures
Then it turned blue. Active.
Allow the tool to finish. It will attempt to reconstruct broken block allocators and clear stale locks. 6. Mounting and Verifying the Repaired Datastore repair vmfs 5 volume
He used dd to check the first few sectors for the VMFS 5 heartbeat region. The hex dump returned familiar bytes— 0x4c 0x4f 0x47 followed by a timestamp. Heartbeat region alive. Good. The superblock was corrupted, but the heart was still beating. If your storage array supports raw LUN snapshots,