Unclean host restarts, power failures during write operations, or RAID controller issues can corrupt the VMFS volume header or resource bitmap.
partedUtil setptbl /vmfs/devices/disks/naa.6000c29c4c5a2b1c gpt partedUtil add /vmfs/devices/disks/naa.6000c29c4c5a2b1c 1 2048 [End_Sector_Number]
Look for the device with the correct size and LUN number that does not have a filesystem label next to it. recovery vmfs
Understanding the root cause is the first step in determining the correct recovery strategy:
Run the repair. You must unmount the volume first, or you will crash the host. You must unmount the volume first, or you
Recovering VMFS partitions and data requires careful planning and execution. By following the steps outlined in this guide, you can increase the chances of successful recovery. Remember to always follow best practices to prevent data loss and corruption. If you're unsure about any part of the process, consider consulting with a professional data recovery service.
If you see — congratulations. Power on your VMs. If you get "Heartbeat is dead" — your storage array is likely having underlying hardware issues (bad cache battery, failing drives). Call your SAN vendor. Remember to always follow best practices to prevent
Recovery VMFS: A Comprehensive Guide to Restoring VMware Datastores