Difference between revisions of "ZFS"
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| − | [[wikipedia:ZFS|ZFS]] is a combined [[file Systems|file system]] and [[volume manager]] included in [[ | + | [[wikipedia:ZFS|ZFS]] is a combined [[file Systems|file system]] and [[volume manager]] included in [[Solaris]] 10 update 2 (06/2006) and [[Ubuntu]] 16.04 LTS onwards. ZFS support advances features such as |
| − | * [[ | + | * [[Data integrity]] |
* Integrated [[volume management]] – zpool (pooled storage) | * Integrated [[volume management]] – zpool (pooled storage) | ||
* [[Copy on Write]] (CoW) <ref>https://en.wikipedia.org/wiki/Copy-on-write</ref> | * [[Copy on Write]] (CoW) <ref>https://en.wikipedia.org/wiki/Copy-on-write</ref> | ||
| Line 6: | Line 6: | ||
* Snapshots and clones | * Snapshots and clones | ||
* [[Deduplication]]<ref>https://wiki.ubuntu.com/Kernel/Reference/ZFS</ref>: <code>[[ZFS deduplication|zfs set dedup=on POOL_NAME/FS_NAME]]</code> | * [[Deduplication]]<ref>https://wiki.ubuntu.com/Kernel/Reference/ZFS</ref>: <code>[[ZFS deduplication|zfs set dedup=on POOL_NAME/FS_NAME]]</code> | ||
| − | * [[ | + | * [[Solaris]]: Online shrink <code>zpool remove</code> in Solaris 11.4 released in August 2018 <ref>https://docs.oracle.com/cd/E37838_01/html/E60974/dmgmt.html#scrolltoc</ref> |
| − | Commands: <code>zfs</code>, <code>zpool</code>, <code>zdb</code> | + | Commands: <code>zfs</code>, <code>[[zpool]]</code>, <code>zdb</code> |
Revision as of 17:21, 11 January 2020
ZFS is a combined file system and volume manager included in Solaris 10 update 2 (06/2006) and Ubuntu 16.04 LTS onwards. ZFS support advances features such as
- Data integrity
- Integrated volume management – zpool (pooled storage)
- Copy on Write (CoW) [1]
- Compression
- Snapshots and clones
- Deduplication[2]:
zfs set dedup=on POOL_NAME/FS_NAME - Solaris: Online shrink
zpool removein Solaris 11.4 released in August 2018 [3]
Commands: zfs, zpool, zdb
- Installation:
sudo apt install zfsutils-linux
Contents
Configuration files
/etc/default/zfs
Commands
- Show pool status:
zpool status - List ZFS pools :
zpool list
zpool list -v
zfs mount -azfs umount
- Create a new pool (zpool create)
To Modify Disk identification to use disk/by-id:
zpool export DATAzpool import -d /dev/disk/by-id DATA- Verify:
zdb -C
Pools
zpool destroy YOUR_POOL- Show pool status:
zpool status - List ZFS pools :
zpool list
Filesystems
- Create a new filesystem:
sudo zfs create DATA/datafs[4] - Destroy a zfs filesystem:
sudo zfs destroy DATA/datafs_TO_DESTROY(Warning: no confirmation requested[5])sudo zfs destroy -r DATA/datafs_TO_DESTROY
- Set a quota to a filesystems:
zfs set quota=50G pool/home/bob[6] - Check zfs service status:
systemctl status "zfs*" "zpool*" - Display configuration information:
zdb -C
List information
- Show pool status:
zpool status - List ZFS pools :
zpool list - List FS/Volumens/snapshots:
zfs list zfs get all
zfs get all | grep mountpointzfs get all | grep dedup
Advanced
zpool import
Activities
- Read selecting dev names when creating a pool before you create your first ZFS pool: https://github.com/zfsonlinux/zfs/wiki/FAQ#selecting-dev-names-when-creating-a-pool and https://wiki.archlinux.org/index.php/Persistent_block_device_naming
- Read ArchLinux documentation about ZFS: https://wiki.archlinux.org/index.php/ZFS#Creating_a_storage_pool
- Follow Ubuntu Tutorial about Setup a ZFS storage pool: https://tutorials.ubuntu.com/tutorial/setup-zfs-storage-pool#0
- Create you first ZFS pool:
zpool create
See also
- ZFS: ZFS deduplication,
ZFS snapshot,zfs list,zpool status,zpool create,zfs create, zfs get all, zfs set, zfs mount, zfs umount, zfs rollback - LVM
- Proliant
smartctl- File systems:
ext4,XFS,ZFS,btrfs,wipefs,findfs,HDFS,overlay,aufs,virt-filesystems, Windows: (FAT, NTFS, ReFS), GPFS, squashfs, Ecryptfs, Encfs, FUSE, VMFS, Comparison of distributed file systems, Userspace filesystem, Resize filesystem size - Solaris
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Original Source: https://en.wikiversity.org/wiki/Linux_Administration/Devices_and_Filesystems/ZFS
- ↑ https://en.wikipedia.org/wiki/Copy-on-write
- ↑ https://wiki.ubuntu.com/Kernel/Reference/ZFS
- ↑ https://docs.oracle.com/cd/E37838_01/html/E60974/dmgmt.html#scrolltoc
- ↑ http://manpages.ubuntu.com/manpages/bionic/man8/zfs.8.html#subcommands
- ↑ https://www.reddit.com/r/zfs/comments/7l4e4p/zfs_destroy_why_doesnt_it_have_any_confirmation/
- ↑ https://docs.oracle.com/cd/E19253-01/819-5461/gazud/index.html
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