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| -rw-r--r-- | zfs.html.markdown | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/zfs.html.markdown b/zfs.html.markdown index 6795b1fa..3f5a76b5 100644 --- a/zfs.html.markdown +++ b/zfs.html.markdown @@ -3,6 +3,7 @@ category: tool tool: zfs contributors: - ["sarlalian", "http://github.com/sarlalian"] + - ["A1EF", "https://github.com/A1EF"] filename: LearnZfs.txt --- @@ -25,7 +26,6 @@ RAID setup with ZFS, as ZFS expects to directly manage the underlying disks. Types of VDEV's -* stripe (a single disk, no redundancy) * mirror (n-way mirrors supported) * raidz * raidz1 (1-disk parity, similar to RAID 5) @@ -71,7 +71,7 @@ List zpools ```bash # Create a raidz zpool -$ zpool create bucket raidz1 gpt/zfs0 gpt/zfs1 gpt/zfs2 +$ zpool create zroot raidz1 gpt/zfs0 gpt/zfs1 gpt/zfs2 # List ZPools $ zpool list @@ -160,22 +160,22 @@ Create datasets ```bash # Create dataset -$ zfs create tank/root/data +$ zfs create zroot/root/data $ mount | grep data -tank/root/data on /data (zfs, local, nfsv4acls) +zroot/root/data on /data (zfs, local, nfsv4acls) # Create child dataset -$ zfs create tank/root/data/stuff +$ zfs create zroot/root/data/stuff $ mount | grep data -tank/root/data on /data (zfs, local, nfsv4acls) -tank/root/data/stuff on /data/stuff (zfs, local, nfsv4acls) +zroot/root/data on /data (zfs, local, nfsv4acls) +zroot/root/data/stuff on /data/stuff (zfs, local, nfsv4acls) # Create Volume $ zfs create -V zroot/win_vm $ zfs list zroot/win_vm NAME USED AVAIL REFER MOUNTPOINT -tank/win_vm 4.13G 17.9G 64K - +zroot/win_vm 4.13G 17.9G 64K - ``` List datasets @@ -213,28 +213,28 @@ zroot/var/tmp@daily-2015-10-15 Rename datasets ```bash -$ zfs rename tank/root/home tank/root/old_home -$ zfs rename tank/root/new_home tank/root/home +$ zfs rename zroot/root/home zroot/root/old_home +$ zfs rename zroot/root/new_home zroot/root/home ``` Delete dataset ```bash # Datasets cannot be deleted if they have any snapshots -$ zfs destroy tank/root/home +$ zfs destroy zroot/root/home ``` Get / set properties of a dataset ```bash # Get all properties -$ zfs get all zroot/usr/home │157 # Create Volume -NAME PROPERTY VALUE SOURCE │158 $ zfs create -V zroot/win_vm -zroot/home type filesystem - │159 $ zfs list zroot/win_vm -zroot/home creation Mon Oct 20 14:44 2014 - │160 NAME USED AVAIL REFER MOUNTPOINT -zroot/home used 11.9G - │161 tank/win_vm 4.13G 17.9G 64K - -zroot/home available 94.1G - │162 ``` -zroot/home referenced 11.9G - │163 +$ zfs get all zroot/usr/home +NAME PROPERTY VALUE SOURCE +zroot/home type filesystem - +zroot/home creation Mon Oct 20 14:44 2014 - +zroot/home used 11.9G - +zroot/home available 94.1G - +zroot/home referenced 11.9G - zroot/home mounted yes - ... @@ -244,7 +244,7 @@ NAME PROPERTY VALUE SOURCE zroot/home compression off default # Set property on dataset -$ zfs set compression=gzip-9 mypool/lamb +$ zfs set compression=lz4 zroot/lamb # Get a set of properties from all datasets $ zfs list -o name,quota,reservation @@ -283,16 +283,16 @@ Create snapshots ```bash # Create a snapshot of a single dataset -zfs snapshot tank/home/sarlalian@now +zfs snapshot zroot/home/sarlalian@now # Create a snapshot of a dataset and its children -$ zfs snapshot -r tank/home@now +$ zfs snapshot -r zroot/home@now $ zfs list -t snapshot NAME USED AVAIL REFER MOUNTPOINT -tank/home@now 0 - 26K - -tank/home/sarlalian@now 0 - 259M - -tank/home/alice@now 0 - 156M - -tank/home/bob@now 0 - 156M - +zroot/home@now 0 - 26K - +zroot/home/sarlalian@now 0 - 259M - +zroot/home/alice@now 0 - 156M - +zroot/home/bob@now 0 - 156M - ... ``` @@ -300,10 +300,10 @@ Destroy snapshots ```bash # How to destroy a snapshot -$ zfs destroy tank/home/sarlalian@now +$ zfs destroy zroot/home/sarlalian@now # Delete a snapshot on a parent dataset and its children -$ zfs destroy -r tank/home/sarlalian@now +$ zfs destroy -r zroot/home/sarlalian@now ``` @@ -311,10 +311,10 @@ Renaming Snapshots ```bash # Rename a snapshot -$ zfs rename tank/home/sarlalian@now tank/home/sarlalian@today -$ zfs rename tank/home/sarlalian@now today +$ zfs rename zroot/home/sarlalian@now zroot/home/sarlalian@today +$ zfs rename zroot/home/sarlalian@now today -$ zfs rename -r tank/home@now @yesterday +$ zfs rename -r zroot/home@now @yesterday ``` Accessing snapshots @@ -328,26 +328,26 @@ Sending and Receiving ```bash # Backup a snapshot to a file -$ zfs send tank/home/sarlalian@now | gzip > backup_file.gz +$ zfs send zroot/home/sarlalian@now | gzip > backup_file.gz # Send a snapshot to another dataset -$ zfs send tank/home/sarlalian@now | zfs recv backups/home/sarlalian +$ zfs send zroot/home/sarlalian@now | zfs recv backups/home/sarlalian # Send a snapshot to a remote host -$ zfs send tank/home/sarlalian@now | ssh root@backup_server 'zfs recv tank/home/sarlalian' +$ zfs send zroot/home/sarlalian@now | ssh root@backup_server 'zfs recv zroot/home/sarlalian' # Send full dataset with snapshots to new host -$ zfs send -v -R tank/home@now | ssh root@backup_server 'zfs recv tank/home' +$ zfs send -v -R zroot/home@now | ssh root@backup_server 'zfs recv zroot/home' ``` Cloning Snapshots ```bash # Clone a snapshot -$ zfs clone tank/home/sarlalian@now tank/home/sarlalian_new +$ zfs clone zroot/home/sarlalian@now zroot/home/sarlalian_new # Promoting the clone so it is no longer dependent on the snapshot -$ zfs promote tank/home/sarlalian_new +$ zfs promote zroot/home/sarlalian_new ``` ### Putting it all together |