meta data for this page
  •  

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
linux:fs:zfs [2015/03/25 22:36] – niziaklinux:fs:zfs [2021/05/10 20:42] (current) – niziak
Line 1: Line 1:
 ====== ZFS ====== ====== ZFS ======
 +
 +[[https://arstechnica.com/information-technology/2020/05/zfs-101-understanding-zfs-storage-and-performance/|ZFS 101—Understanding ZFS storage and performance]]
  
 [[https://lists.debian.org/debian-user/2012/05/msg01026.html]] [[https://lists.debian.org/debian-user/2012/05/msg01026.html]]
Line 9: Line 11:
   * compression   * compression
   * block level deduplication (not usable for emails with attachment, where attachment are shifted to different offset)   * block level deduplication (not usable for emails with attachment, where attachment are shifted to different offset)
 +
 +OpenZFS2.0.0 (Dec 20) [[https://github.com/openzfs/zfs/releases/tag/zfs-2.0.0]]:
 +  * Sequential resilver (rebuild only used by data portions)
 +  * Persistent L2ARC cache (survives between reboots)
 +  * ZSTD
 +  * Redacted replication (replicate with some data excluded)
 +  * FreeBSD and Linux unification
  
 Proposed use case: Proposed use case:
Line 26: Line 35:
 </code> </code>
  
-====== ZFS implementations ======+===== ZFS implementations =====
  
 ZFS-Fuse 0.7 is using old pool version 23, where [[http://zfsonlinux.org|ZFSonLinux]] is using pool version 28. ZFS-Fuse 0.7 is using old pool version 23, where [[http://zfsonlinux.org|ZFSonLinux]] is using pool version 28.
Line 35: Line 44:
 ===== Creating ZFS dataset ===== ===== Creating ZFS dataset =====
  
-<code>+<code bash>
 zpool create INBOX /dev/loop0 /dev/loop1 /dev/loop2 /dev/loop3 zpool create INBOX /dev/loop0 /dev/loop1 /dev/loop2 /dev/loop3
 </code> </code>
  
-<code>+<code bash>
 # zpool list # zpool list
 NAME    SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT NAME    SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT
Line 45: Line 54:
 </code> </code>
  
-<code>+<code bash>
 # zpool status # zpool status
   pool: INBOX   pool: INBOX
Line 64: Line 73:
 Dataset "INBOX" is also automatically created based on zpool name "INBOX". It is mounted as /INBOX Dataset "INBOX" is also automatically created based on zpool name "INBOX". It is mounted as /INBOX
  
-<code>+<code bash>
 # zfs list # zfs list
 NAME    USED  AVAIL  REFER  MOUNTPOINT NAME    USED  AVAIL  REFER  MOUNTPOINT
Line 188: Line 197:
 |-- |--
 |squashfs    |               | 365 MB       |       | |squashfs    |               | 365 MB       |       |
- 
  
  
Line 195: Line 203:
  
  
-====== References: ======+ 
 +<code bash> 
 +zfs get compressratio 
 +</code> 
 + 
 +===== References: =====
 [[http://docs.oracle.com/cd/E19253-01/819-5461/6n7ht6qu6/index.html]] [[http://docs.oracle.com/cd/E19253-01/819-5461/6n7ht6qu6/index.html]]
 [[https://wiki.freebsd.org/ZFSQuickStartGuide]] [[https://wiki.freebsd.org/ZFSQuickStartGuide]]