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Removing ownership from a disk

Data ONTAP writes disk ownership information to the disk. Before a spare disk or its shelf is removed from a storage system, you should remove its ownership information so that it can be properly integrated into another system.

Before you begin

The disk you want to remove ownership from must meet the following requirements:

About this task

If you have automatic disk assignment turned on, the system could automatically reassign ownership before you remove the disk. For this reason, you turn off automatic ownership assignment until the disk is removed, and then turn it back on.


  1. If disk ownership automatic assignment is on, turn it off: options disk.auto_assign off
  2. Repeat the previous step on the node's HA partner if it has one.
  3. Enter the advanced privilege level: priv set advanced
  4. Remove the software ownership information from the disk: disk remove_ownership disk_name
    To remove ownership information from multiple disks, use a space-separated list.
    disk remove_ownership 0a.29 0a.28 0a.27
  5. Return to admin privilege level: priv set
  6. If you turned off disk ownership automatic assignment previously, turn it on after the disk has been removed or reassigned: options disk.auto_assign on
  7. Repeat the previous step on the node's HA partner if it has one.