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Chris Dunlap 5a8855b716 Fix race condition with zed pidfile creation 
When the zed is started as a forking daemon (by default),
a race-condition exists where the parent process can terminate before
the pidfile has been created by the grandchild process.  When invoked
as a Type=forking systemd service, this can result in the following:

  systemd[1]: Starting ZFS Event Daemon (zed)...
  systemd[1]: PID file /var/run/zed.pid not readable (yet?) after start.

This commit adds a daemonize pipe to allow the grandchild process to
signal the parent process that initialization is complete (and the
pidfile has been created).  The parent process will wait for this
notification before exiting.

Signed-off-by: Chris Dunlap <cdunlap@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #2252
2014-09-02 14:18:53 -07:00
cmd Fix race condition with zed pidfile creation 2014-09-02 14:18:53 -07:00
config Retire HAVE_IOCTL_* configure checks 2014-08-28 07:45:54 -07:00
contrib Add bash completions by Aneurin Price. 2014-08-06 15:03:28 -07:00
dracut Correct autodetection of bootfs property 2014-08-13 16:53:06 -07:00
etc Do not export pool to prevent cache from been removed 2014-06-05 13:49:15 -07:00
include Fixed memory leaks in zevent handling 2014-08-20 10:45:16 -07:00
lib Add a pkgconfig file 2014-08-28 07:59:43 -07:00
man Illumos 4970-4974 - extreme rewind enhancements 2014-08-26 16:29:57 -07:00
module Illumos 4970-4974 - extreme rewind enhancements 2014-08-26 16:29:57 -07:00
rpm Add a pkgconfig file 2014-08-28 07:59:43 -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 Add a missing > to AUTHORS 2014-09-02 14:18:53 -07:00
autogen.sh build: do not call boilerplate ourself 2013-04-02 10:55:20 -07:00
configure.ac Add a pkgconfig file 2014-08-28 07:59:43 -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 Add bash completions by Aneurin Price. 2014-08-06 15:03:28 -07:00
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