Creating a 4TB disk on OMV.

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May 18, 2014 by aubreykloppers

This took a bit of hunting and reading, but quite easy:

  • gparted /dev/md0 (I have a disk, RADI5, called /dev/md0 that is 4TB in size)
  • (parted) mklabel gpt
  • Warning: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to continue?
  •          Yes/No? yes
  • (parted) unit TB
  • (parted) mkpart primary 0 4 (This creates a 4TB partition)
  • (parted) print (Shows you the disk layout)
  • (parted) quit

Then just create your partition:

  • mkfs -t ext4 /dev/md0p1


to completely wipe the disk:

dd if=/dev/zero of=/dev/md0 bs=512 count=1

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