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Brian Behlendorf 9141582592 Set zfs_arc_min to 4MB 
Decrease the mimimum ARC size from 1/32 of total system memory
(or 64MB) to a much smaller 4MB.

1) Large systems with over a 1TB of memory are being deployed
   and reserving 1/32 of this memory (32GB) as the mimimum
   requirement is overkill.

2) Tiny systems like the raspberry pi may only have 256MB of
   memory in which case 64MB is far too large.

The ARC should be reclaimable if the VFS determines it needs
the memory for some other purpose.  If you want to ensure the
ARC is never completely reclaimed due to memory pressure you
may still set a larger value with zfs_arc_min.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Prakash Surya <surya1@llnl.gov>
Issue #2110
2014-02-21 14:52:02 -08:00
cmd Add erratum for issue #2094 2014-02-21 12:10:40 -08:00
config Add systemd unit files for ZFS startup 2014-02-05 12:25:30 -08:00
dracut Refresh dracut module setup 2013-03-21 12:51:06 -07:00
etc Add systemd unit files for ZFS startup 2014-02-05 12:25:30 -08:00
include Add erratum for issue #2094 2014-02-21 12:10:40 -08:00
lib Add generic errata infrastructure 2014-02-21 12:10:40 -08:00
man Implement relatime. 2014-01-29 15:50:44 -08:00
module Set zfs_arc_min to 4MB 2014-02-21 14:52:02 -08:00
patches Adding grub2 mkconfig support patch 2012-07-30 16:17:23 -07:00
rpm Add explicit Conflicts for zfs-fuse packages 2014-02-10 15:54:27 -08:00
scripts Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
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 Add systemd unit files for ZFS startup 2014-02-05 12:25:30 -08:00
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-0.6.2 2013-08-22 13:33:26 -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 Retire zpool_id infrastructure 2013-01-29 12:23:17 -08:00
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