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Removing a hot spare disk

Removing a hot spare disk requires you to remove ownership information from the disk. This prevents the disk from causing problems when it is inserted into another storage system, and notifies Data ONTAP that you are removing the disk to avoid unwanted AutoSupport messages.

About this task

Removing a hot spare disk does not make the contents of that disk inaccessible. If you need absolute assurance that the data contained by this disk is irretrievable, you should sanitize the disk instead of completing this procedure.

Steps

  1. Find the disk name of the hot spare disk you want to remove: aggr status -s
    The names of the hot spare disks appear next to the word spare. The locations of the disks are shown to the right of the disk name.
  2. Enter the advanced privilege level: priv set advanced
  3. Determine the physical location of the disk you want to remove: led_on disk_name
    The fault LED on the face of the disk is lit.
  4. If disk ownership automatic assignment is on, turn it off: options disk.auto_assign off
  5. Repeat the previous step on the node's HA partner if it has one.
  6. Remove the software ownership information from the disk: disk remove_ownership disk_name
  7. Return to admin privilege level: priv set
  8. Remove the disk from the disk shelf, following the instructions in the hardware guide for your disk shelf model.
  9. If you turned off disk ownership automatic assignment previously, turn it on now:options disk.auto_assign on