Before attempting to repair a VMFS partition, it is essential to backup the data. This can be done by:
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Scan the storage device to see if the partition table is readable or missing: partedUtil getptbl /vmfs/devices/disks/naa. Use code with caution. repair vmfs partition
Resignatures a copy of a VMFS volume (useful after LUN cloning).
What appears when you try to mount the datastore? Before attempting to repair a VMFS partition, it
In many cases, this command restores the missing partition headers. It essentially tells the VMFS file system to re-read the device and repair its own signature.
esxcfg-volume -l
Run ls /dev/disks/ . Look for your LUN (usually starts with naa. or eui. ). Tip: Check the size to confirm you have the right drive.
We are going to ask ESXi to fix the partition header. Run: vmkfstools -V <device ID> Resignatures a copy of a VMFS volume (useful
voma -m vmfs -f check -d /dev/disks/naa.xxxx