This is the message I get:
netapp1*> disk show -n
disk: Did not recognize option "show".
usage: disk <options>
Options are:
fail [-i] [-f] <disk_name> - fail a file system disk
remove [-w] <disk_name> - remove a spare disk
swap - prepare (quiet) bus for swap
unswap - undo disk swap and resume service
scrub { start | stop } - start or stop disk scrubbing
unfail [-s] <disk_name> - unfail a disk (-s not valid in maintenance mode)
power_cycle [ -f ] { [-d <disk_list>] | [ -c <channel_name> [ -s <shelf_number> ] ] } - power-cycle one or more disks
replace {start [-f] [-m] <disk_name> <spare_disk_name>} | {stop <disk_name>} - replace a file system disk with a spare disk or stop replacing
upgrade_ownership - upgrade disks to new ownership scheme
shm_stats [<disk_name> | asup | clear_errors] - Storage Health Monitor statistics for a disk
zero spares - Zero all spare disks
checksum {<disk_name> | all} [-c block | zoned]
sanitize { start | abort | status | release } - sanitize one or more disks
maint { start | abort | status | list} - run maintenance tests on one or more disks
netapp1*>