ZPOOL: Remove an existing zpool

Article Number: 191 | Rating: Unrated | Last Updated: Sun, Jun 3, 2018 9:22 AM

ZPOOL: Remove an existing zpool

# Tested on RHEL 6 & 7

# WARNING: Pay special attention to any existing F.S. on the pool.
# 'destroy' command will remove all pool's F.S. without asking for confirmation

POOLNAME=my_pool
POOLMNTP=`zfs list $POOLNAME | tail -1 | awk '{print$NF}'`; echo $POOLMNTP

# Check

zpool status $POOLNAME
   pool: my_pool
state: ONLINE
scan: none requested
   config:

         NAME        STATE     READ WRITE CKSUM
         my_pool     ONLINE       0     0     0
           sdb       ONLINE       0     0     0

   errors: No known data errors

zfs list | grep $POOLNAME
   my_pool         381K 9.78G    33K /my_pool
   my_pool/zfs01    30K 9.78G    30K /my_pool/zfs01
   my_pool/zfs02    30K 9.78G    30K /my_pool/zfs02
   my_pool/zfs03    30K 9.78G    30K /my_pool/zfs03

# (are you sure?!) Remove zpool

zpool destroy $POOLNAME

rmdir $POOLMNTP