Difference between revisions of "Feature Flags"

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ZFS on-disk formats were originally versioned with a single number, which increased whenever the format changed. The numbered approach was suitable when development of ZFS was driven by a single organisation.
This page was moved to: https://openzfs.github.io/openzfs-docs/Basic%20Concepts/Feature%20Flags.html
 
For distributed development of OpenZFS, version numbering was unsuitable. Any change to the number would have required agreement, across all implementations, of each change to the on-disk format.
 
OpenZFS feature flags – an alternative to traditional version numbering – allow '''a uniquely named ''pool property'' for each change to the on-disk format'''. This approach supports:  
 
* format changes that are independent
* format changes that depend on each other.
 
== Compatibility ==
 
Where all ''features'' that are used by a pool are supported by multiple implementations of OpenZFS, the on-disk format is portable across those implementations.
 
Features that are exclusive when enabled should be periodically ported to all distributions.
 
== Reference materials ==
 
[http://web.archive.org/web/20160419064650/http://blog.delphix.com/csiden/files/2012/01/ZFS_Feature_Flags.pdf ''ZFS Feature Flags''] (Christopher Siden, 2012-01, in the Internet Archive Wayback Machine) in particular: "… Legacy version numbers still exist for pool versions 1-28 …".
 
[http://illumos.org/man/5/zpool-features <tt>zpool-features</tt>](5) – illumos
 
[https://www.freebsd.org/cgi/man.cgi?query=zpool-features&sektion=7&manpath=FreeBSD <tt>zpool-features</tt>](7) – FreeBSD
 
== Feature flags implementation ==
 
{| class="wikitable"
! scope="col" rowspan="2" | Feature Flag
! rowspan="2" | Read-Only<br />Compatible
! scope="col" colspan="1" | DragonFlyBSD
! scope="col" colspan="4" | FreeBSD
! scope="col" colspan="1" | Illumos
! scope="col" colspan="1" | Joyent
! scope="col" colspan="1" | NetBSD
! scope="col" colspan="3" | OmniOSCE
! scope="col" colspan="1" | OpenZFS
! scope="col" colspan="4" | OpenZFS on OSX
! scope="col" colspan="3" | ZFS on Linux
|-
| zfsport
| 11.2.0
| 11.3.0
| 12.0.0
| head
| master
| master
| main
| r151028
| r151030
| master
| master
| 1.9.0
| 1.9.1
| 1.9.1-rc1
| master
| 0.7.13
| 0.8.1
| master
|-
! style="text-align:left" | bookmark_v2
| style="background-color:yellow" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | encryption
| style="background-color:yellow" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | resilver_defer
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | async_destroy
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | bookmark_written
| style="background-color:yellow" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | bookmarks
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | device_removal
| style="background-color:yellow" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | embedded_data
| style="background-color:yellow" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | empty_bpobj
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | enabled_txg
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | extensible_dataset
| style="background-color:yellow" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | hole_birth
| style="background-color:yellow" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | livelist
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | log_spacemap
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | obsolete_counts
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | redacted_datasets
| style="background-color:yellow" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | redaction_bookmarks
| style="background-color:yellow" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | spacemap_histogram
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | spacemap_v2
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | zpool_checkpoint
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | filesystem_limits
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | multi_vdev_crash_dump
| style="background-color:yellow" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | edonr
| style="background-color:yellow" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | lz4_compress
| style="background-color:yellow" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | sha512
| style="background-color:yellow" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | skein
| style="background-color:yellow" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | large_blocks
| style="background-color:yellow" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | allocation_classes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | large_dnode
| style="background-color:yellow" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | project_quota
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|-
! style="text-align:left" | userobj_accounting
| style="background-color:lightgreen" | yes
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightsalmon" | no
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
| style="background-color:lightgreen" | yes
|}
 
'''Table legend'''
* no = not implemented
* yes = implemented
 
Source: [https://zgrep.org/zfs.html] as of 20190726

Latest revision as of 19:26, 22 November 2020

This page was moved to: https://openzfs.github.io/openzfs-docs/Basic%20Concepts/Feature%20Flags.html

Retrieved from "https://openzfs.org/w/index.php?title=Feature_Flags&oldid=3000"