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Matt Ahrens f5fc4acaa7 Illumos #1092: zfs refratio property 
Add a "REFRATIO" property, which is the compression ratio based on
data referenced. For snapshots, this is the same as COMPRESSRATIO,
but for filesystems/volumes, the COMPRESSRATIO is based on the
data "USED" (ie, includes blocks in children, but not blocks
shared with the origin).

This is needed to figure out how much space a filesystem would
use if it were not compressed (ignoring snapshots).

Reviewed by: George Wilson <George.Wilson@delphix.com>
Reviewed by: Adam Leventhal <Adam.Leventhal@delphix.com>
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Reviewed by: Richard Elling <richard.elling@richardelling.com>
Reviewed by: Mark Musante <Mark.Musante@oracle.com>
Reviewed by: Garrett D'Amore <garrett@nexenta.com>
Approved by: Garrett D'Amore <garrett@nexenta.com>

References to Illumos issue and patch:
- https://www.illumos.org/issues/1092
- https://github.com/illumos/illumos-gate/commit/187d6ac08a

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #340
2011-08-01 12:09:11 -07:00
cmd Illumos #1051: zfs should handle imbalanced luns 2011-08-01 12:09:11 -07:00
config Fix the configure CONFIG_* option detection 2011-07-22 15:07:16 -07:00
dracut Wrap dracut scripts to 79 chars 2011-07-31 11:28:44 -07:00
etc Add .gitignore for zfs.<distro> init scripts 2011-08-01 10:27:54 -07:00
include Illumos #1092: zfs refratio property 2011-08-01 12:09:11 -07:00
lib Illumos #1092: zfs refratio property 2011-08-01 12:09:11 -07:00
man Illumos #1092: zfs refratio property 2011-08-01 12:09:11 -07:00
module Illumos #1092: zfs refratio property 2011-08-01 12:09:11 -07:00
patches Add build system 2010-08-31 13:41:27 -07:00
scripts Provide a rc.d script for archlinux 2011-07-11 14:12:23 -07:00
.gitignore Ignore unsigned module build products 2010-03-09 14:14:09 -08:00
AUTHORS Add "ashift" property to zpool create 2011-06-17 16:35:49 -07:00
autogen.sh Make autogen.sh executable 2011-07-26 10:15:35 -07:00
ChangeLog Add build system 2010-08-31 13:41:27 -07:00
configure Turn the init.d scripts into autoconf config files 2011-08-01 09:54:44 -07:00
configure.ac Turn the init.d scripts into autoconf config files 2011-08-01 09:54:44 -07:00
COPYING Relocate COPYING+COPYRIGHT, remove README cruft 2008-12-01 15:34:53 -08:00
COPYRIGHT Update COPYRIGHT to reference zpios CDDL exceptions. 2010-05-18 14:25:28 -07:00
DISCLAIMER Update COPYRIGHT and DISCLAIMER. 2010-05-18 10:32:23 -07:00
Makefile.am Add dracut support 2011-03-17 16:52:04 -07:00
Makefile.in Provide a rc.d script for archlinux 2011-07-11 14:12:23 -07:00
META Prep zfs-0.6.0-rc5 tag 2011-07-01 15:24:34 -07:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
README.markdown Fix markdown rendering 2010-09-15 09:09:37 -07:00
zfs_config.h.in Linux compat 2.6.39: mount_nodev() 2011-07-01 13:36:39 -07:00
zfs-modules.spec.in Fix rebuildable RPMs for el6/ch5 2011-04-08 10:22:42 -07:00
zfs-script-config.sh.in Unconditionally load core kernel modules 2010-11-11 11:38:25 -08:00
ZFS.RELEASE Update to onnv_147 2010-08-26 14:24:34 -07:00
zfs.spec.in Remove zfs service only on uninstall, not on upgrade 2011-07-08 11:44:17 -07:00

README.markdown

Native ZFS for Linux! ZFS is an advanced file system and volume manager which was originally developed for Solaris. It has been successfully ported to FreeBSD and now there is a functional Linux ZFS kernel port too. The port currently includes a fully functional and stable SPA, DMU, and ZVOL with a ZFS Posix Layer (ZPL) on the way!

$ ./configure
$ make pkg

Full documentation for building, configuring, and using ZFS can be found at: http://zfsonlinux.org