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Martin Schwenke 5e7ae1b1e2 ctdb-scripts: Initialise CTDB_NFS_CALLOUT in statd-callout 
Some configurations may set CTDB_NFS_CALLOUT to the empty string.
They may do this if they allow a choice of NFS implementations.  In
this case the default call-out for Linux kernel NFS should be used.
However, statd-callout does not call nfs_callout_init() to set the
default.  Therefore, statd-callout is unable to restart the lock
manager, so the grace period is never entered.

statd-callout must call nfs_callout_init() before trying to restart
the lock manager.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=12589

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>

Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Feb 16 09:21:03 CET 2017 on sn-devel-144
2017-02-16 09:21:03 +01:00
..
events.d ctdb-scripts: Avoid log noise when NFS checks directory is empty 2017-01-20 15:01:13 +01:00
nfs-checks.d ctdb-scripts: Move 60.nfs Ganesha callout to doc/examples/ 2015-07-21 07:54:09 +02:00
ctdb-crash-cleanup.sh ctdb-scripts: Fix calculation of CTDB_BASE 2016-11-03 10:10:31 +01:00
ctdb.init ctdb-scripts: Avoid shellcheck warning SC2039 (echo -n) 2016-07-21 02:24:26 +02:00
ctdb.service ctdb-packaging: Fix systemd network dependency 2016-09-14 08:39:28 +02:00
ctdb.sudoers ctdb-scripts: Update important installed files to use build-time defaults 2015-09-15 08:56:21 +02:00
ctdbd_wrapper ctdb-scripts: Strengthen check to see if ctdbd is running 2016-10-14 11:54:40 +02:00
ctdbd.conf ctdb-packaging: Move ctdb configuration to ctdbd.conf 2016-07-28 05:00:18 +02:00
debug_locks.sh ctdb-scripts: Fix calculation of CTDB_BASE 2016-11-03 10:10:31 +01:00
debug-hung-script.sh ctdb-scripts: Fix calculation of CTDB_BASE 2016-11-03 10:10:31 +01:00
functions ctdb-scripts: Drop configuration variable CTDB_SCRIPT_DEBUGLEVEL 2017-01-16 11:57:08 +01:00
gcore_trace.sh common: Debug ctdb_addr_to_str() using new function ctdb_external_trace() 2012-10-18 20:05:42 +11:00
nfs-linux-kernel-callout ctdb-scripts: Avoid shellcheck warning SC2039 (test -nt operator) 2016-07-21 02:24:26 +02:00
notify.d.README scripts: Rework notify.sh to use notify.d/ directory 2013-05-23 16:18:23 +10:00
notify.sh ctdb-scripts: Quote some variable expansions 2016-07-06 08:15:49 +02:00
README Eventscript support - Remove unused interface_modify.sh 2012-03-22 15:30:27 +11:00
statd-callout ctdb-scripts: Initialise CTDB_NFS_CALLOUT in statd-callout 2017-02-16 09:21:03 +01:00

README 

This directory contains run-time support scripts for CTDB.

Selected highlights:

  ctdb.init

    An initscript for starting ctdbd at boot time.

  events.d/

    Eventscripts.  See events.d/README for more details.

  functions

    Support functions, sourced by eventscripts and other scripts.

  statd-callout

    rpc.statd high-availability callout to support lock migration on
    failover.

Notes:

* All of these scripts are written in POSIX Bourne shell.  Please
  avoid bash-isms, including the use of "local" variables (which are
  not available in POSIX shell).

* Do not use absolute paths for commands.  Unit tests attempt to
  replace many commands with stubs and can not do this if commands are
  specified with absolute paths.  The functions file controls $PATH so
  absolute paths should not be required.