MSA> SET UNIT 0/CACHE

                 Command options
                 UNIT 0 - the number of the unit to be modified, in this
                 example, Unit 0 will be modified.

                 CACHE/NOCACHE - either enables or disables the use
                 of the array accelerator cache for the specified UNIT.

                 SET UNIT 0/EXPAND/DISK=(0,1,2,3)
                 This command expands the number of disks used by Unit 0
                 and all the other units on the disk group.

                 SET UNIT 0/SPARE=(100,101)
                 This command sets spare to unit 0 and all the other units
                 on the disk group.

                 SET UNIT 0/MIGRATE/RAID=1/STRIPE_SIZE=64
                 This command migrates the RAID level and Stripe size of
                 unit 0. The other units on the disk group might go into
                 volume expansion state.

                 SET UNIT 0/EXTENT/SIZE=6GB
                 This command increases the size of Unit 0. The other units
                 on the disk group might go into volume expansion state.

                 Note: Size of the UNIT cannot be decreased using the
                       SET UNIT command.

                 SET UNIT 0/ID=100
                 This command sets the identifier for Unit 0.

                 SET UNIT 0/DEL_SPARE=(1,2)
                 If unit 0 has spare disks 1, 2 and 3, then this command
                 removes the disks 1 and 2 from the spare disk list.
                 Hence, unit 0 will have only disk 3 as spare disk.

                 SET UNIT 0/DEL_SPARE=(1,2,3)
                 If unit 0 has spare disks 1, 2 and 3, then this command
                 removes all the specified disks 1, 2 and 3 from the
                 spare disk list in a disk group.