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author | delphij <delphij@FreeBSD.org> | 2014-07-01 22:31:09 +0000 |
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committer | delphij <delphij@FreeBSD.org> | 2014-07-01 22:31:09 +0000 |
commit | 3218d43e56858300ce0f3750a0863debe8192c28 (patch) | |
tree | bda013a400e8a43b003d8138f5f2799a1a98d8f8 /cddl | |
parent | cb3aaee8b5ced7cd0b6336b536d89981274ae539 (diff) | |
download | FreeBSD-src-3218d43e56858300ce0f3750a0863debe8192c28.zip FreeBSD-src-3218d43e56858300ce0f3750a0863debe8192c28.tar.gz |
MFV r268121:
4924 LZ4 Compression for metadata
illumos/illumos-gate@b8289d24d866c1af02d7007348f7f057693c15d3
MFC after: 2 weeks
Diffstat (limited to 'cddl')
-rw-r--r-- | cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 b/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 index d0f3ab2..437b374 100644 --- a/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 +++ b/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 @@ -23,7 +23,7 @@ .\" .\" $FreeBSD$ .\" -.Dd June 30, 2014 +.Dd July 1, 2014 .Dt ZPOOL-FEATURES 7 .Os .Sh NAME @@ -235,14 +235,11 @@ administrator can turn on compression on any dataset on the pool using the .Xr zfs 8 -command. Please note that doing so will -immediately activate the -.Sy lz4_compress -feature on the underlying -pool -.Pq even before any data is written , -and the feature will not be -deactivated. +command. +Also, all newly written metadata +will be compressed with +.Sy lz4 +algorithm. Since this feature is not read-only compatible, this operation will render the pool unimportable on systems without support for the @@ -251,6 +248,12 @@ feature. Booting off of .Sy lz4 -compressed root pools is supported. +.Pp +This feature becomes +.Sy active +as soon as it is enabled and will +never return to being +.Sy enabled . .It Sy multi_vdev_crash_dump .Bl -column "READ\-ONLY COMPATIBLE" "com.joyent:multi_vdev_crash_dump" .It GUID Ta com.joyent:multi_vdev_crash_dump |