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This will be used to limit the size of record buffer sent in newer
controls for recovery and existing controls for vacuuming.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This was a workaround for trying to ensure public IP addresses are
properly rebalanced after running "ctdb addip" on multiple nodes.
"ctdb reloadips" is a better solution.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is undocumented and is not needed. It was a workaround for
trying to ensure public IP addresses are properly rebalanced after
running "ctdb addip" on multiple nodes. "ctdb reloadips" is a better
solution.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
To keep this commit comprehensible, 11.natgw and the CTDB CLI tool are
temporarily inconsistent. The tool will be made consistent in a
subsequent commit.
ctdb_natgw_slave_only() is reimplemented to check for the option in
the appropriate line in $CTDB_NATGW_NODES.
Update unit tests and documentation.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This has always been the case. Now it is documented and enforced.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Move information about TCP connection tracking and resetting into
ctdb.7.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This only applies to monitor events so renaming clarifies this.
Note that this change is not backward compatible. Users with
CTDB_SET_EventScriptTimeoutCount=<n>
in their configuration will get failures when starting CTDB but the
cause will be clearly logged.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
* The defaults for EventScriptTimeout and EventScriptTimeoutCount are
wrong.
* EventScriptTimeout is the total time for all enabled scripts that
are run for an event, not a single event script.
* EventScriptTimeoutCount only applies to monitor events.
* EventScriptUnhealthyOnTimeout is obsolete, so remove it.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The tmpfs is mounted and unmounted by ctdbd_wrapper. Format is
CTDB_DBDIR=tmpfs:<tmpfs-options>. The only default for the tmpfs is
mode=700 - to override, specify a different value in <tmpfs-options>.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Mon Nov 9 10:58:32 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 is deprecated. For many commands it doesn't make sense. Instead
of "ctdb ip -n all" use "ctdb ip all".
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Should be an IP address not a filename.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Sat Sep 19 16:39:23 CEST 2015 on sn-devel-104
These still say /tmp/ctdb.socket, which is very out-dated. Update
with build-time location.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
In this case: ctdbd_wrapper, onnode, ctdb_diagnostics, ctdb.sudoers.
Set sensible defaults from configure options.
Update documentation to match, trying to fix up anything that has been
missed before.
The onnode unit tests need a symlink to the functions file.
The simple integration tests need to set CTDB_BASE and also
need symlinks to functions/nodes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
fixup
Signed-off-by: Martin Schwenke <martin@meltin.net>
This variable points to /etc/ by default.
This distinguishes it from the different variable from wscript, which
points to /etc/ctdb/.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Clearly identifies where all state files from scripts should go and
allows that location to be easily changed. This patch should not
change any behaviour (outside of eventscript unit tests, where a
clearer location is now used).
CTDB_VARDIR should no longer be overridden. Continue to set
CTDB_DBDIR and similar to override database location in unit tests.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Have wscript do path substitution.
No need to export this and CTDB_ETCDIR here, but test scripts will
still need to do so.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Format instructions for adding/deleting nodes with appropriate XML and
simplify wording.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Always check filesystem usage for the database directories.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Sat Aug 29 20:08:48 CEST 2015 on sn-devel-104
CTDB should warn by default if too much system memory or swap is used.
The tests have also been tweaked. In particular, the filesystem-only
tests need to initialise the memory information to avoid errors where
meminfo isn't set.
Document the defaults, warning against disabling them.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
New variables CTDB_MONITOR_MEMORY_USAGE and CTDB_MONITOR_SWAP_USAGE.
Both take a pair of <warn_threshold>:<unhealthy_threshold> where each
theshold is specified as a percentage.
This adds a callout to check_thresholds() that is run when the
unhealthy threshold is reached.
Add some combination tests.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
CTDB_MONITOR_FREE_MEMORY and CTDB_MONITOR_FREE_MEMORY_WARN are now
percentages that specify thresholds of acceptable memory usage.
Memory/swap usage in tests also specified as percentages.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This allows both errors (i.e. unhealthy) and warnings for different
thresholds. It replaces CTDB_CHECK_FS_USE.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Will put all the system monitoring in here, simplifying 00.ctdb.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
We don't expect to maintain an up-to-date copy. NFS Ganesha team
might provide patches.
Also move the Ganesha .check file
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This adds new configuration variable CTDB_RPCINFO_LOCALHOST6.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is now handled by passing the desired number of threads to the
command specified in the dump_stuck_threads variable in .check files.
Remove unused function nfs_dump_some_threads().
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This isn't a straightforward move of code from 60.ganesha to the
callout. Simplifications have been made to allow better
interoperation with the new NFS checking logic.
The following configuration variables have been removed:
CTDB_GANESHA_REC_SUBDIR
Edit NFS ganesha callout to change this location
CTDB_NFS_SERVER_MODE, NFS_SERVER_MODE
Use CTDB_NFS_CALLOUT instead
CTDB_NFS_SKIP_KNFSD_ALIVE_CHECK, CTDB_SKIP_GANESHA_NFSD_CHECK
Disable the corresponding .check file instead
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is now always enabled. If nfsd thread monitoring is not required
then make CTDB_NFS_CALLOUT point to a wrapper around
nfs-linux-kernel-callout that does not implement "monitor-post".
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
For use with DisableIPFailover=1.
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Wed May 13 09:27:36 CEST 2015 on sn-devel-104
Required when automatic address detection can not be used. This can
be the case when running multiple ctdbd daemons/nodes on the same
physical host (usually for testing), using InfiniBand for the private
network or on Linux when sysctl net.ipv4.ip_nonlocal_bind=1.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Mon Apr 27 06:10:08 CEST 2015 on sn-devel-104
There are valid real-world use cases. Improve the documentation.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This was true for the daemon until commit
b4589b954e.
Defaulting to ERR in the ctdb CLI tool encourages logging notices at
ERR level, so default to NOTICE instead.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
It is pointless having a recovery lock but not sanity checking that it
is working. Also, the logic that uses this tunable is confusing. In
some places the recovery lock is released unnecessarily because the
tunable isn't set.
Simplify the logic by assuming that if a recovery lock is specified
then it should be verified.
Update documentation that references this tunable.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
