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 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 reservation=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 sharenfs=on datapool/fs1 | Share fs1 as NFS |
| # zfs set compression=on datapool/fs1 | Enable compression on fs1 |
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 |
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 mountpoint=/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 |
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 |
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 mypool |
| # zpool export -f datapool | Force the unmount and deport of a ZFS pool |
Snapshot Commands
| # zfs snapshot datapool/fs1@12jan2014 | Create a snapshot named 12jan2014 of the fs1 filesystem |
| # zfs list -t snapshot | List snapshots |
| # zfs rollback -r datapool/fs1@10jan2014 | Roll back to 10jan2014 (recursively destroy intermediate snapshots) |
| # zfs rollback -rf datapool/fs1@10jan2014 | Roll back must and force unmount and remount |
| # zfs destroy datapool/fs1@10jan2014 | Destroy snapshot created earlier |
| # zfs send datapool/fs1@oct2013 > /geekpool/fs1/oct2013.bak | Take a backup of ZFS snapshot locally |
| # zfs receive anotherpool/fs1 < /geekpool/fs1/oct2013.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 |
Clone Commands
| # zfs clone datapool/fs1@10jan2014 /clones/fs1 | Clone an existing snapshot |
| # zfs destroy datapool/fs1@10jan2014 | Destroy clone |