dd if=/vmfs/devices/disks/naa.6001234567890 bs=512 count=1 skip=END_SECTOR_NUMBER | hexdump -C | grep "EFI PART" But skip math is error-prone. Instead, use partedUtil :
partedUtil restore /vmfs/devices/disks/naa.6001234567890 This command looks for the secondary GPT at the end of the disk and restores the primary. after a disk was mistakenly partitioned with a different tool. Method C: Using vgfs (Linux-based recovery) – For advanced users If ESXi tools fail, boot a Linux live CD (Ubuntu, SystemRescue) and install vmfs-tools : vmfs partition table recovery
We've all felt that cold sweat moment. You log into vCenter or ESXi, look at your storage devices, and see a datastore marked as or simply "Invalid partition table." Your VMs are inaccessible. Your heart rate spikes. dd if=/vmfs/devices/disks/naa
The Ultimate Guide to VMFS Partition Table Recovery: When Your Datastore Goes Dark Method C: Using vgfs (Linux-based recovery) – For
vmkfstools -V --config /scratch/config Or more directly:
sudo apt-get install vmfs-tools Then scan:
No recovery method replaces a verified backup. Use this knowledge to survive the crisis, then immediately double-check your 3-2-1 backup strategy.