All disks in a shelf will be assigned to 1 node and 1 pool. The following new option to auto-assign disks at the shelf level was introduced in Data ONTAP 8.2: This option allows disks to be automatica...All disks in a shelf will be assigned to 1 node and 1 pool. The following new option to auto-assign disks at the shelf level was introduced in Data ONTAP 8.2: This option allows disks to be automatically assigned with a shelf-level granularity, meaning that any unowned disks on a shelf will be assigned based on the ownership of other disks on that shelf. Disks in the same shelf are assigned to only one pool, but disks in the same stack/loop are shared between pools.