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Add a new option -l to check whether POSIX byte range locks are
working. Usage:
node1$ touch /path/to/cluster-fs/FILE
node1$ ./bin/ping_pong -l /path/to/cluster-fs/FILE
Holding lock, press any key to continue...
You should run the same command on another node now.
node2$ ./bin/ping_pong -l /path/to/cluster-fs/FILE
Output can either be:
Holding lock, press any key to continue...
This means POSIX byte range locks are *not* working.
If you see this instead:
file already locked, calling check_lock to tell us who has it locked...:
check_lock failed: lock held: pid='27375', type='1', start='0', len='0'
Working POSIX byte range locks
Congrats, you have a cluster fs with functional byte range locks!
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Dec 10 08:48:38 CET 2015 on sn-devel-104
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Nov 6 13:43:45 CET 2015 on sn-devel-104
This groups function prototypes for common client/server functions in
common/common.h and removes them from ctdb_private.h.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Instead of includes.h, include the required header files explicitly.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This groups function prototypes for system specific functions in
common/system.h and removes them from ctdb_private.h.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
To avoid warnings when using --enable-developer, which uses
-Wmissing-prototypes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The commit "pmda: Use upstream assigned PCP domain id" updated the
Performance Metrics Namespace (pmns) file, without changing the
corresponding metric identifiers used by the agent.
This change fixes the agent metric identifier values to match the pmns
definitions.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Mar 22 00:07:31 CET 2014 on sn-devel-104
- increase verbosity with "-v"
- concat error messages (if there are several)
- handle 255 return code as warning (as it is the return code when any of the node is missing)
- read /etc/ctdb/nodes remotely (ctdb_check can be run on a non-ctdb host)
(This used to be ctdb commit cea81bdd503f6ef8b5bbd3582a8e0085bb02bc9f)
Because of commit a779d83a6213e2ba
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit a4afe7af9c9391048d6f80135bbd5e15367770c7)
This fixes the floating point error if num_locks = 0.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 16afe36de52561a62372c14b567683dc898369d5)
The pmda stuff is no longer built by default even if the headers are
available. To build, run "configure --enable-pmda".
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 194f7a0dec26d693a5f3e6734b1c82f61f8e4d19)
The ctdb_statistics structure was recently changed. Update the PMDA to
dereference the new structure member names.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
(This used to be ctdb commit e5a5ab53173d9aa4190ddf68c4ae316d4473eb56)
This is to verify that the fcntl F_GETLK call reports F_UNLCK if called
from a process already holding a lock. This is for example used by samba's
strict locking code in combination with "posix locking = true".
Signed-off-by: Michael Adam <obnox@samba.org>
(This used to be ctdb commit 4f42d17b74ce891691eee1cead498959cc8e4837)
This plugin is GPL2 or greater as generally found in Nagios.
(this is obviously compatible with GPL3 or greater).
(This used to be ctdb commit df1ac1cfd65f32743ca2588edfdad46ce5a4f03f)
Rebase the CTDB PMDA from 1.0.114 to master:
- Add tevent and ctdb_protocol includes
- Handle latency metrics now stored under struct latency_counter
- Add new metric for the num_recoveries counter
(This used to be ctdb commit 2165a6f5117a71f9f97f46be9708fa34c037e17c)
Currently ctdb statistics are pulled in the PMDA fetch callback, which
results in a CTDB_CONTROL_STATISTICS call for each metric.
Do this once per fetch instead, and have the per-metric callbacks pull
data from the last counter cache.
(This used to be ctdb commit 137b498c75c55c966999cd788f12ed9010cfed3a)
Attempt to reconnect to ctdbd on fetch while it is unreachable.
We must provide our own queue callback wrapper, as ctdb_client_read_cb()
exits on transport failure.
(This used to be ctdb commit 28df6fbf1273b8d095a2bc38dca6a6c35c5c31bd)
The CTDB Performance Metrics Domain Agent (PMDA) is compiled when
Performance Co-Pilot (PCP) header files are present.
The CTDB PMDA periodically requests runtime counters from ctdbd (similar
to ctdb statistics) and exports these values via PCP for capture and
charting etc.
(This used to be ctdb commit fe7f69d6fc37661c2f1caa11de4ed3a7940d0a2f)
AIX dont have getopt.h by default.
Dont try including this file when building on AIX
(This used to be ctdb commit 06b33a826e71e1dd2f9e02ad614be55535d42045)
