Addition of disks to a mirrored aggregate or traditional volume

You can add disks to mirrored aggregate or traditional volumes using the following methods.

• Rules to follow when adding disks to a mirrored aggregate or traditional volume
  When you add disks to a mirrored aggregate or traditional volume, you need to follow these rules.
• Adding disks to a mirrored volume, where Data ONTAP selects the disks
  You can choose to add disks thatData ONTAP selected, to a mirrored volume.
• Adding disks to a mirrored aggregate or traditional volume, where the user selects the disks
  If you select the new disks to add to the mirrored aggregate or traditional volume, you must ensure that you add the correct number of disks of the correct sizes. The disks must have the same checksum compatibility, and disks for each plex must be in different pools.
• Adding disks to a mirrored aggregate or traditional volume, where the user selects the disks with assistance from Data ONTAP
  You can preview what disks Data ONTAP would select if it were to add new disks to the aggregate or traditional volume.