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Change the command from "true" to "hostname" since the former won't
produce any output when used in combination with "onnode -p". This
could just be changed to "echo" but the hostname might actually be
useful.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit ae3c03d80264e997b7da9f3279d7810e18b8a1df)
Register print_exit_message() earlier so that it covers most of the
early exits.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 90d792cf28d6a823141e4c417b6978f02a9cf596)
Don't blindly remove the socket.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 3dd5b925dcf0e9a5b877638e471c5ecf36b46c58)
A missing interface is at least as bad as an interface with a link
that is down so should have a similar effect.
This couldn't be done previously because orphaned interfaces used to
be listed for monitoring. This was worked around in 10.interface in
commit 49b2d1bd9554461ed8edbfc21e777c0eca9e1443 and fixed in ctdbd in
commit cc1a3ae911d3fee8b87fda5de5ab6d9499d7510a.
If $CTDB_PARTIALLY_ONLINE_INTERFACES="yes" then monitoring won't
actually fail but the interface is still marked as down.
While we're touching this code, use "ip link" instead of "ip addr".
It is marginally cheaper but not enough for a separate patch. ;-)
This effectively reverts d67955b42f7627be9dae995230c8fcbb8a948ec2.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 501f19b16fd6d67fbb754248868c38ee5bcf79ef)
This was previosuly changed because ctdbd didn't garbage collect
orphaned interfaces. This was fixed in commit
cc1a3ae911d3fee8b87fda5de5ab6d9499d7510a.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit c6ab0f9405d5fa5b0b1693bc92e59da0d555a9d7)
Commit 8076773a9924dcf8aff16f7d96b2b9ac383ecc28 introduced a potential
regression because a node may not have completed the "recovered" event
(so might still be in CTDB_RUNSTATE_FIRST_RECOVERY) when another node
becomes healthy.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 57ef5d3827ea3417a32703e259a53ce6fd10ac45)
It can be very disconcerting when logging to syslog is expected but
nothing is being logged there.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 412bc0e20bef694d4e911dc9c984fd7716231f1f)
Because of commit a779d83a6213e2ba
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit a4afe7af9c9391048d6f80135bbd5e15367770c7)
Commit 9119a568c2b4601318f7751f537dca2f92a7230b attempted to fix this.
However, this was wrong because old_flags and new_flags were confused.
The latter has since been fixed in commit
7eb2f89979360b6cc98ca9b17c48310277fa89fc so this can now be fixed
properly.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 40f2825d6e818dc8c745b6385a545969dfb45fbc)
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Pair-programmed-with: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 14141b02b61d2783b750ee5b30f9520253e88f09)
Based on an original patch by Sumit Bose <sbose@redhat.com>.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit e43a4b7b69a21c4cec2453dcac436b64bf5d7f06)
The "‘tevent_loop_allow_nesting’ is deprecated" warnings will be
around for a while and are annoying.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 30a0040fbb7c4d97d107f0e55c600295c2603a68)
This reverts the last part of 788cdbddbc902a5b076d23473450065b551d274d
- the rest of this has been implicitly reverted via tevent syncs.
This is just leftover noise.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit b6bbfb4c464c39e322830cbbebcc51c225508584)
Currently the initscript is very complex. This makes it hard to read
and hard to add support for new init systems, such as systemd.
Create a wrapper called ctdbd_wrapper to be installed alongside ctdbd.
This is called by the initscript to start and stop ctdbd. It does the
ctdbd option construct and waits until ctdbd is properly initialised
before it exits.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit e3abc7eebab5cceddc4ce7817890dd5db9be3450)
This helps distinguish processes in process list in top, perf, etc.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 2493f57ce268d6fe7e4c40a87852c347fd60d29e)
Currently CTDB daemon reads records from a child process and then sends them to
srcnode via TRAVERSE_DATA control. This ties up main CTDB daemon and also
requires an extra copy of the record in the CTDB daemon. Instead send records
directly from traverse child process.
The control from child process still goes via local CTDB daemon as there
is no infrastructure currently to open a TCP socket to the srcnode.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 1a74192aa7d51ed99553e7292860027f06b6ef37)
So that traverse child process can directly send the TRAVERSE_DATA control to
the srcnode without first sending it to local node.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit faabce1b99fb3de9ff03bf54d303e7656538fee3)
The code for deadlock detection and killing smbd process causing deadlock
has been removed and replaced with external debug script.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 2211cd94bea266547d3e6f167d3160a6b23bec88)
Use an external script to parse /proc/locks and log useful debugging
information about locks rather than doing that in C code.
To use this feature, add configuration variable to /etc/sysconfig/ctdb:
CTDB_DEBUG_LOCKS=/etc/ctdb/debug_locks.sh
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 2bfb8499366d530f16515b08928056bbda40f781)
0 < 1 ms
1 < 10 ms
2 < 100 ms
3 < 1 s
4 < 2 s
5 < 4 s
6 < 8 s
7 < 16 s
8 < 32 s
9 < 64 s
10 >= 64 s
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 6fc36a7036933237d09151a0baf4d8ccd2bc2c99)
Send the ctdb_db_statistics directly instead of first copying it to
duplicate ctdb_db_statistics_wire structure. This simplifies the
implementation of the control to get database statistics.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 26a4653df594d351ca0dc1bd5f5b2f5b0eb0a9a5)
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Pair-Programmed-With: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 41182623891d74a7e9e9c453183411a161201e67)
This allows 60.ganesha to be unit tested, except for the core Ganesha
monitoring code.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit f606df4f2db754592e6d1a16c26e155cacb2beef)
Support for this was removed in commit
77302dbfd85754e02559eccb2dd6c090db0b6b9f and I overlooked its use in
60.ganesha.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 520914e7ee1b879c1080e5857fda18ed5b973fd6)
At the moment this is silent and it can be confusing to see IPs just
disappear.
Also, this message:
Been in recovery mode for too long. Dropping all IPS
can cause anxiety when all IPs should already have been dropped.
Adding a comforting message saying that 0 IPs were dropped relieves
such anxiety. :-)
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 4d0f26b306fc465d551d340b0e7dce4412eae3fd)
* Add a variable to the loop to make the code more readable and have
it generally fit into 80 columns.
* Improve comments.
* Improve log messages.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 0a292fa8939a1343e44cadaa8ed9f3c0f18ca82f)
