Repair Vmfs 5 Volume Upd [ Direct Link ]
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.
partedUtil setptbl /vmfs/devices/disks/naa.6006016044602800e82b9a7b4c3e5d01 gpt "1 2048 41943039 AA31E02A400F11DB9590000C2911D1B8 0" repair vmfs 5 volume
He’d seen this before. A sudden storage network blip during a heavy write operation. The VMFS 5 heartbeat mechanism had failed, leaving the partition table in a quantum state: the data existed, but the map to find it had been torn in half. He used dd to check the first few
The list appeared. He found the culprit: naa.6006016044602800e82b9a7b4c3e5d01 A sudden storage network blip during a heavy write operation
"LUN just dropped from the SAN," Leo muttered, fingers flying across the keyboard. "Rescanned the adapter. HBA sees it. Storage processor sees it. But vSphere? It just sees a raw LUN. No partitions. No signature."
He ran partedUtil getptbl /vmfs/devices/disks/naa.6006016044602800e82b9a7b4c3e5d01