NOT: Hatalar var Dikkatli OL!
Pool Related Commands
# zpool create datapool c0t0d0 - Create a basic pool named datapool
# zpool create -f datapool c0t0d0 - Force the creation of a pool
# zpool create -m /data datapool c0t0d0 - Create a pool with a different mount point than the default.
# zpool create datapool raidz c3t0d0 c3t1d0 c3t2d0 - Create RAID-Z vdev pool
# zpool add datapool raidz c4t0d0 c4t1d0 c4t2d0 - Add RAID-Z vdev to pool datapool
# zpool create datapool raidz1 c0t0d0 c0t1d0 c0t2d0 c0t3d0 c0t4d0 c0t5d0 - Create RAID-Z1 pool
# zpool create datapool raidz2 c0t0d0 c0t1d0 c0t2d0 c0t3d0 c0t4d0 c0t5d0 - Create RAID-Z2 pool
# zpool create datapool mirror c0t0d0 c0t5d0 Mirror c0t0d0 to c0t5d0
# zpool create datapool mirror c0t0d0 c0t5d0 mirror c0t2d0 c0t4d0 - disk c0t0d0 is mirrored with c0t5d0 and disk c0t2d0 is mirrored withc0t4d0
# zpool add datapool mirror c3t0d0 c3t1d0 - Add new mirrored vdev to datapool
# zpool add datapool spare c1t3d0 - Add spare device c1t3d0 to the datapool
# zpool create -n geekpool c1t3d0 - Do a dry run on pool creation
Show file system info
# zfs list - List all ZFS file system
# zfs get all datapool - List all properties of a ZFS file system
Mount/Umount Related Commands
# zfs set mountp oin t=/data datapool/fs1 - Set the mount-point of file system fs1 to /data
# zfs mount datapool /fs1 - Mount fs1 file system
# zfs umount datapool /fs1 - Umount ZFS file system fs1
# zfs mount -a - Mount all ZFS file systems
# zfs umount -a - Umount all ZFS file systems
Import/Export Commands
# zpool import - List pools available for import
# zpool import -a - Imports all pools found in the search directories
# zpool import -d - To search for pools with block devices not located in /dev/dsk
# zpool import -d /zfs datapool - Search for a pool with block devices created in /zfs
# zpool import oldpool newpool - Import a pool originally named oldpool under new name newpool
# zpool import 3987837483 - Import pool using pool ID
# zpool export datapool - Deport a ZFS pool named datapool
# zpool export -f datapool - Force the unmount and deport of a ZFS pool
Clone Commands
# zfs clone datapool/ fs1 @10 jan2014 /clone s/fs1 - Clone an existing snapshot
# zfs destroy datapool/ fs1 @10 jan2014 - Destroy clone
Show Pool Information
# zpool status -x Show pool status
# zpool status -v datapool - Show individual pool status in verbose mode
# zpool list - Show all the pools
# zpool list -o name,size - Show particular properties of all the pools (here, name and size)
# zpool list -Ho name - Show all pools without headers and columns
File-system/Volume related commands
# zfs create datapool /fs1 - Create file-system fs1 under datapool
# zfs create -V 1gb datapool/ vol01 - Create 1 GB volume (Block device) in datapool
# zfs destroy -r datapool - destroy datapool and all datasets under it
# zfs destroy -fr datapool /data - destroy file-system or volume (data) and all related snapshots
Set ZFS file system properties
# zfs set quota=1G datapool /fs1 - Set quota of 1 GB on filesystem fs1
# zfs set reserv ati on=1G datapool /fs1 - Set Reservation of 1 GB on filesystem fs1
# zfs set mountpoint=legacy datapool/ fs1 - Disable ZFS auto mounting and enable mounting through /etc/vfstab.
# zfs set sharen fs=on datapool /fs1 - Share fs1 as NFS
# zfs set compression=on datapool /fs1 - Enable compression on fs1
zfs set record size=[ size] pool/data set /name -
Set Dataset Record Size (Size should be a value like 16k, 128k, or 1M etc.)
zfs get recordsize pool/data set /name - Get Dataset Record Size
ZFS I/O performance
# zpool iostat 2 - Display ZFS I/O Statistics every 2 seconds
# zpool iostat -v 2 - Display detailed ZFS I/O statistics every 2 seconds
ZFS maintenance commands
# zpool scrub datapool - Run scrub on all file systems under data pool
# zpool offline -t datapool c0t0d0 - Temporarily offline a disk (until next reboot)
# zpool online - Online a disk to clear error count
# zpool clear - Clear error count without a need to the disk
Snapshot Commands
# zfs snapshot datapool/ fs1 @12 jan2014 - Create a snapshot named 12jan2014 of the fs1 filesystem
# zfs list -t snapshot - List snapshots
# zfs rollback -r datapool/ fs1 @10 jan2014 - Roll back to 10jan2014 - (recursively destroy intermediate snapshots)
# zfs rollback -rf datapool/ fs1 @10 jan2014 - Roll back must and force unmount and remount
# zfs destroy datapool/ fs1 @10 jan2014 - Destroy snapshot created earlier
# zfs send datapool/ fs1 @oc t2013 > /geekpool /fs1/oct2013.bak - Take a backup of ZFS snapshot locally
# zfs receive anotherpool/fs1 < /geekpool /fs1/oct2 013.bak - Restore from the snapshot backup backup taken
# zfs send datapool/ fs1 @oct2013 | zfs receive anotherpool/fs1 - Combine the send and receive operation
# zfs send datapool/ fs1 @oct2013 | ssh node02 "zfs receive testpool/ testfs " - Send the snapshot to a remote system node02