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ZFS Cheatsheet

July 9th, 2016

Create a RAID 1 style file system across two devices:

zpool create tank mirror /dev/sdb /dev/sdc

Add another pair of mirrored drives to create an array similar to RAID 10:

zpool add tank mirror /dev/sdd /dev/sde

Display information about the file system:

zpool status
zpool list
zpool list -v
zfs list
zfs list -t all
zfs get all

Disable a drive:

zpool offline tank /dev/sdj

Replace an active drive:

zpool replace -f tank /dev/sds /dev/sdt

Scrub an array:

zpool scrub tank

Enable autoexpand for a zpool (allows growing arrays by replacing drives with larger models):

zpool set autoexpand=on tank

Enable file system compression:

zfs set compression=lz4 tank

Create a new file system:

zfs create tank/partition1
Categories: cheatsheet, file systems, ZFS
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