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Add "compatibility" property for zpool feature sets

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Property to allow sets of features to be specified; for compatibility
with specific versions / releases / external systems. Influences
the behavior of 'zpool upgrade' and 'zpool create'. Initial man
page changes and test cases included.

Brief synopsis:

zpool create -o compatibility=off|legacy|file[,file...] pool vdev...

compatibility = off : disable compatibility mode (enable all features)
compatibility = legacy : request that no features be enabled
compatibility = file[,file...] : read features from specified files.
Only features present in *all* files will be enabled on the
resulting pool. Filenames may be absolute, or relative to
/etc/zfs/compatibility.d or /usr/share/zfs/compatibility.d (/etc
checked first).

Only affects zpool create, zpool upgrade and zpool status.

ABI changes in libzfs:

* New function "zpool_load_compat" to load and parse compat sets.
* Add "zpool_compat_status_t" typedef for compatibility parse status.
* Add ZPOOL_PROP_COMPATIBILITY to the pool properties enum
* Add ZPOOL_STATUS_COMPATIBILITY_ERR to the pool status enum

An initial set of base compatibility sets are included in
cmd/zpool/compatibility.d, and the Makefile for cmd/zpool is
modified to install these in $pkgdatadir/compatibility.d and to
create symbolic links to a reasonable set of aliases.

Reviewed-by: ericloewe
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Colm Buckley <colm@tuatha.org>
Closes #11468
This commit is contained in:
Colm
2021-02-18 05:30:45 +00:00
committed by GitHub
parent 35ec51796f
commit 658fb8020f
48 changed files with 5621 additions and 2954 deletions
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tests/runfiles/common.run
+5 -3
View File
@@ -344,7 +344,8 @@ tests = ['zpool_create_001_pos', 'zpool_create_002_pos',
'zpool_create_draid_003_pos', 'zpool_create_draid_004_pos',
'zpool_create_features_001_pos', 'zpool_create_features_002_pos',
'zpool_create_features_003_pos', 'zpool_create_features_004_neg',
'zpool_create_features_005_pos',
'zpool_create_features_005_pos', 'zpool_create_features_006_pos',
'zpool_create_features_007_pos', 'zpool_create_features_008_pos',
'create-o_ashift', 'zpool_create_tempname', 'zpool_create_dryrun_output']
tags = ['functional', 'cli_root', 'zpool_create']
@@ -468,7 +469,8 @@ tests = ['zpool_split_cliargs', 'zpool_split_devices',
tags = ['functional', 'cli_root', 'zpool_split']
[tests/functional/cli_root/zpool_status]
tests = ['zpool_status_001_pos', 'zpool_status_002_pos']
tests = ['zpool_status_001_pos', 'zpool_status_002_pos',
'zpool_status_features_001_pos']
tags = ['functional', 'cli_root', 'zpool_status']
[tests/functional/cli_root/zpool_sync]
@@ -491,7 +493,7 @@ tests = ['zpool_upgrade_001_pos', 'zpool_upgrade_002_pos',
'zpool_upgrade_003_pos', 'zpool_upgrade_004_pos',
'zpool_upgrade_005_neg', 'zpool_upgrade_006_neg',
'zpool_upgrade_007_pos', 'zpool_upgrade_008_pos',
'zpool_upgrade_009_neg']
'zpool_upgrade_009_neg', 'zpool_upgrade_features_001_pos']
tags = ['functional', 'cli_root', 'zpool_upgrade']
[tests/functional/cli_root/zpool_wait]