Anonymous

VIBENAS# zpool status
  pool: NAS1
 state: ONLINE
 scrub: none requested
config:

	NAME         STATE     READ WRITE CKSUM
	NAS1         ONLINE       0     0     0
	  mirror     ONLINE       0     0     0
	    gpt/da0  ONLINE       0     0     0
	    gpt/da1  ONLINE       0     0     0
	  mirror     ONLINE       0     0     0
	    gpt/da2  ONLINE       0     0     0
	    gpt/da3  ONLINE       0     0     0
	  mirror     ONLINE       0     0     0
	    gpt/da4  ONLINE       0     0     0
	    gpt/da5  ONLINE       0     0     0
	  mirror     ONLINE       0     0     0
	    gpt/da6  ONLINE       0     0     0
	    gpt/da7  ONLINE       0     0     0
	cache
	  gpt/ada1   ONLINE       0     0     0
	  ada0       ONLINE       0     0     0

errors: No known data errors
VIBENAS# zpool remove NAS1 cache ada0
cannot remove cache: no such device in pool
VIBENAS# zpool remove NAS1  ada0
cannot remove ada0: no such device in pool
VIBENAS# zpool remove cache NAS1 ada0
cannot open 'cache': no such pool
VIBENAS# zpool remove NAS1 ada0
cannot remove ada0: no such device in pool
VIBENAS# zpool remove NAS1 cache ada0
cannot remove cache: no such device in pool
cannot remove ada0: no such device in pool
VIBENAS# zpool remove NAS1 cache ada0
cannot remove cache: no such device in pool
cannot remove ada0: no such device in pool
VIBENAS#