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Saso Kiselkov 3bec585e6c Illumos 4897 - Space accounting mismatch in L2ARC/zpool 
4897 Space accounting mismatch in L2ARC/zpool

Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Boris Protopopov <bprotopopov@hotmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>

From the illumos issue tracker:

	L2ARC vdev space usage statistics are calculated as the delta
	between the maximum and minimum vdev offset ever written to
	by the L2ARC fill thread, but do not inform the user of how
	much space in between these two offsets is actually taken up by
	cached buffers. This fix changes that so that vdev space usage
	stats on L2ARC devices accurately track the volume of buffers
	stored on them, allowing users to see the exact L2ARC usage in
	"zpool iostat -v".

References:
  https://www.illumos.org/issues/4897
  https://github.com/illumos/illumos-gate/commit/3038a2b

Ported by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2555
2014-08-06 13:44:10 -07:00
cmd Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
config Revert "Disable GCCs aggressive loop optimization" 2014-07-22 09:56:55 -07:00
dracut Refresh dracut module setup 2013-03-21 12:51:06 -07:00
etc Do not export pool to prevent cache from been removed 2014-06-05 13:49:15 -07:00
include Illumos 4390 - I/O errors can corrupt space map when deleting fs/vol 2014-08-04 11:50:52 -07:00
lib Illumos 4390 - I/O errors can corrupt space map when deleting fs/vol 2014-08-04 11:50:52 -07:00
man Illumos 4390 - I/O errors can corrupt space map when deleting fs/vol 2014-08-04 11:50:52 -07:00
module Illumos 4897 - Space accounting mismatch in L2ARC/zpool 2014-08-06 13:44:10 -07:00
rpm Tag zfs-0.6.3 2014-06-12 13:34:38 -07:00
scripts zpool-create.sh: allow features to be disabled 2014-07-25 11:58:31 -07:00
udev Open pools asynchronously after module load 2013-07-03 09:24:38 -07:00
.gitignore Ignore *.{deb,rpm,tar.gz} files in the top directory. 2013-04-24 16:18:59 -07:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
AUTHORS Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
autogen.sh build: do not call boilerplate ourself 2013-04-02 10:55:20 -07:00
configure.ac Initial implementation of zed (ZFS Event Daemon) 2014-04-02 13:10:03 -07:00
copy-builtin Consistent menuconfig name 2012-08-26 13:49:37 -07:00
COPYRIGHT Refresh links to web site 2013-03-06 15:46:41 -08:00
DISCLAIMER Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
Makefile.am cstyle: Exclude several files from 'make checkstyle' 2013-12-18 16:46:35 -08:00
META Tag zfs-0.6.3 2014-06-12 13:34:38 -07:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
README.markdown Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
zfs-script-config.sh.in Initial implementation of zed (ZFS Event Daemon) 2014-04-02 13:10:03 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.markdown

Native ZFS for Linux!

ZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the Illumos community.

ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers.

Full documentation for installing ZoL on your favorite Linux distribution can be found at: http://zfsonlinux.org