How to create VMFS partition on the local disk without label

· by Artem Sidorenko · Read in about 1 min · (151 words)

If you are going to create the VMFS partition on the some mew local hdd or hardware raid volume, you can get in trouble with a message “Failed to update the disk partition information”. The reason for it is a broken/missing dos label on the device.

Create a new label

  • Type Alt+F1 on the physical ESXi console
  • Type “unsupported” and after a password prompt your root password
  • Identify your device with
esxcfg-scsidevs -l | less
  • note the Devfs path of the output above, and start fdisk
fdisk <<here the devfs path, something like /vmfs/devices/disks/...>>
  • type “o” “Enter” “w” “Enter”
  • type “exit”
  • Go ahead and try again to create VMFS volume, it should work now

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