154 lines
2.2 KiB
Markdown
154 lines
2.2 KiB
Markdown
# 📘 ZFS Command Cheat Sheet
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## 🛠️ Pool Management
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### Create a Pool
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```bash
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zpool create <poolname> <device>
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zpool create <poolname> mirror <dev1> <dev2>
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zpool create <poolname> raidz1 <dev1> <dev2> <dev3> ...
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```
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### List Pools
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```bash
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zpool list
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```
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### Destroy a Pool
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```bash
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zpool destroy <poolname>
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```
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### Add Devices to a Pool
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```bash
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zpool add <poolname> <device>
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```
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### Export / Import Pool
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```bash
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zpool export <poolname>
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zpool import <poolname>
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zpool import -d /dev/disk/by-id <poolname>
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```
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## 🔍 Pool Status and Health
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### Check Pool Status
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```bash
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zpool status
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zpool status -v
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```
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### Scrub a Pool
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```bash
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zpool scrub <poolname>
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```
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### Clear Errors
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```bash
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zpool clear <poolname>
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```
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## 🧱 Dataset Management
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### Create a Dataset
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```bash
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zfs create <poolname>/<dataset>
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```
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### List Datasets
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```bash
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zfs list
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zfs list -t all
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```
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### Destroy a Dataset
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```bash
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zfs destroy <poolname>/<dataset>
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```
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## 📦 Mounting and Properties
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### Set Mount Point
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```bash
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zfs set mountpoint=/your/path <poolname>/<dataset>
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```
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### Mount / Unmount
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```bash
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zfs mount <dataset>
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zfs unmount <dataset>
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```
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### Auto Mount
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```bash
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zfs set canmount=on|off|noauto <dataset>
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```
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## 📝 Snapshots & Clones
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### Create a Snapshot
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```bash
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zfs snapshot <poolname>/<dataset>@<snapshotname>
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```
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### List Snapshots
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```bash
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zfs list -t snapshot
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```
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### Roll Back to Snapshot
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```bash
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zfs rollback <poolname>/<dataset>@<snapshotname>
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```
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### Destroy a Snapshot
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```bash
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zfs destroy <poolname>/<dataset>@<snapshotname>
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```
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### Clone a Snapshot
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```bash
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zfs clone <poolname>/<dataset>@<snapshot> <poolname>/<new-dataset>
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```
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## 🔁 Sending & Receiving
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### Send Snapshot to File or Pipe
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```bash
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zfs send <snapshot> > file
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zfs send -R <snapshot> | zfs receive <pool>/<dataset>
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```
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### Receive Snapshot
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```bash
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zfs receive <pool>/<dataset>
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```
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## 🧮 Useful Info & Tuning
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### Check Available Space
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```bash
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zfs list
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```
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### Set Quota or Reservation
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```bash
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zfs set quota=10G <dataset>
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zfs set reservation=5G <dataset>
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```
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### Enable Compression
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```bash
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zfs set compression=lz4 <dataset>
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```
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### Enable Deduplication (use cautiously)
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```bash
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zfs set dedup=on <dataset>
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```
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---
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> ✅ **Tip**: Always test ZFS commands in a safe environment before using them on production systems!
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