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ZFS command line reference Cheat Sheet by The IceMan Blog
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ZFS command line reference Cheat Sheet
Solaris ZFS command line reference (Cheat sheet)
zfs
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 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 |
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@10jan2014 /clones/fs1
| Clone an existing snapshot | # zfs destroy datapool/fs1@10jan2014
| 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 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 | zfs set recordsize=[size] pool/dataset/name
| Set Dataset Record Size (Size should be a value like 16k, 128k, or 1M etc.) | zfs get recordsize pool/dataset/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@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 |
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