New Grimoire

Vault-Grimoire/ZFS/ZFS-Commands.md

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+---
+title: ZFS Common Commands
+description: ZFS Commands
+published: true
+date: 2026-02-20T04:26:23.798Z
+tags: zfs commands
+editor: markdown
+dateCreated: 2026-01-31T15:23:07.585Z
+---
+
+# ZFS Essential Commands Cheat Sheet
+
+---
+
+## Pool Health & Status
+
+zpool status
+
+zpool status -v
+
+zpool list
+
+## Dataset Space & Usage
+
+zfs list
+
+zfs list -r vault
+
+zfs list -o name,used,avail,refer,logicalused,compressratio
+
+zfs list -r -o name,used,avail,refer,quota,reservation vault
+
+## Dataset Properties & Settings
+
+zfs get all vault/dataset
+
+zfs get -r compression,dedup,recordsize,atime,quota,reservation vault
+
+zfs get -r compression,dedup,recordsize,encryption,keylocation,keyformat,snapdir vault
+
+zfs get -s local -r all vault
+
+zfs get quota,refquota,reservation,refreservation -r vault
+
+## Mount Encrypted Dataset
+
+zfs load-key vault/Green/Pocket
+
+zfs mount vault/Green/Pocket
+
+## Pool I/O & Performance Monitoring
+
+zpool iostat -v 1
+
+arcstat 1
+
+cat /proc/spl/kstat/zfs/arcstats
+
+## Scrubs & Data Integrity
+
+zpool scrub vault
+
+zpool scrub -s vault
+
+zpool status
+
+## Snapshots
+
+zfs snapshot vault/dataset@snapname
+
+zfs list -t snapshot
+
+zfs rollback vault/dataset@snapname
+
+zfs clone vault/dataset@snapname vault/dataset-clone
+
+## Replication (Send / Receive)
+
+zfs send vault/dataset@snap1 | zfs receive backup/dataset
+
+zfs send -i snap1 vault/dataset@snap2 | zfs receive backup/dataset
+
+zfs send -nv vault/dataset@snap1
+
+## Dataset Tuning (Live-Safe Changes)
+
+zfs set compression=lz4 vault/dataset
+
+zfs set recordsize=1M vault/dataset
+
+zfs set atime=off vault/dataset
+
+zfs set dedup=on vault/dataset
+
+## Encryption Management
+
+zfs get encryption,keylocation,keystatus vault/dataset
+
+zfs unload-key vault/dataset
+
+zfs load-key vault/dataset
+
+## Disk Preparation & Cleanup
+
+wipefs /dev/sdX
+
+wipefs -a /dev/sdX
+
+zpool labelclear -f /dev/sdX
+
+sgdisk --zap-all /dev/sdX
+
+lsblk -f /dev/sdX
+
+## Pool Expansion (Add VDEV)
+
+zpool add vault raidz2 \
+  /dev/disk/by-id/disk1 \
+  /dev/disk/by-id/disk2 \
+  /dev/disk/by-id/disk3 \
+  /dev/disk/by-id/disk4 \
+  /dev/disk/by-id/disk5
+
+## Pool Import / Recovery
+
+zpool import
+
+zpool import vault
+
+zpool import -f vault
+
+zpool import -o readonly=on vault
+
+## Locks, Holds & History
+
+zfs holds -r vault
+
+zpool history
+
+zfs diff vault/dataset@snap1 vault/dataset@snap2
+
+## Deduplication & Compression Stats
+
+zpool list -v
+
+zdb -DD vault
+
+## Inventory / Documentation Dumps
+
+zpool status > zpool-status.txt
+
+zfs list -r > zfs-layout.txt
+
+zfs get -r all vault > zfs-settings.txt
+
+## Top 10 Must-Know Commands
+
+zpool status
+zpool list
+zpool iostat -v 1
+zpool scrub vault
+zfs list
+zfs get all vault/dataset
+zfs snapshot vault/dataset@snap
+zfs rollback vault/dataset@snap
+zfs send | zfs receive
+arcstat 1
+