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Commit Graph

448 Commits

Author SHA1 Message Date
Vinit Agnihotri
6005de8cb3 ctdb-scripts: Remove usage of releaseip-pre, takeip-pre pseudo-events
These were generated by 06.nfs.script.

Signed-off-by: Vinit Agnihotri <vagnihotri@ddn.com>
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Volker Lendecke <vl@samba.org>

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Wed Mar  6 07:09:06 UTC 2024 on atb-devel-224
2024-03-06 07:09:06 +00:00
Vinit Agnihotri
2de2d5dd20 ctdb-scripts: Remove unnecessary 06.nfs.script
Signed-off-by: Vinit Agnihotri <vagnihotri@ddn.com>
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
2024-03-06 06:05:38 +00:00
Vinit Agnihotri
e3294e5526 ctdb-doc: Put NFS in grace on startipreallocate
Signed-off-by: Vinit Agnihotri <vagnihotri@ddn.com>
Reviewed-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
2024-03-06 06:05:38 +00:00
Vinit Agnihotri
34c76ffec5 ctdb-doc: Factor out grace period function
Signed-off-by: Vinit Agnihotri <vagnihotri@ddn.com>
Reviewed-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
2024-03-06 06:05:38 +00:00
Vinit Agnihotri
a4e492f728 ctdb-scripts: Add handling for startipreallocate
Signed-off-by: Vinit Agnihotri <vagnihotri@ddn.com>
Reviewed-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
2024-03-06 06:05:38 +00:00
Joseph Sutton
e3bc4d4ae0 docs-xml: Fix documentation
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-10-25 22:23:37 +00:00
Volker Lendecke
a6b66661c7 ctdb: Add "home_nodes" file to deterministic IP allocation
With a file "home_nodes" next to "public_addresses" you can assign
public IPs to specific nodes when using the deterministic allocation
algorithm. Whenever the "home node" is up, the IP address will be
assigned to that node, independent of any other deterministic
calculation. The line

192.168.21.254 2

in the file "home_nodes" assigns the IP address to node 2. Only when
node 2 is not able to host IP addresses, 192.168.21.254 undergoes the
normal deterministic IP allocation algorithm.

Signed-off-by: Volker Lendecke <vl@samba.org>

add home_nodes
Reviewed-by: Ralph Boehme <slow@samba.org>

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue Oct 10 14:17:19 UTC 2023 on atb-devel-224
2023-10-10 14:17:19 +00:00
Martin Schwenke
3ee348a966 ctdb-scripts: Convert 40.vsftpd to use threshold-based fail counting
This effectively provides simple testing for the threshold-based
approach.

Add new script option CTDB_VSFTPD_MONITOR_THRESHOLDS.

Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>

Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Tue Oct  3 04:53:38 UTC 2023 on atb-devel-224
2023-10-03 04:53:38 +00:00
Martin Schwenke
8303c3a534 ctdb-scripts: Implement failcount handling with thresholds
This can be used for simple failure counting, without restarts, as
used in the 40.vsftpd event script.  That case will subsequently be
converted and this functionality can also be used elsewhere.

Add documentation to ctdb-script.options(5) to allow parameters that
use this to be more easily described.

Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2023-10-03 03:53:35 +00:00
Martin Schwenke
7c468d9d28 ctdb-doc: Add some subsection names in description
A subsequent commit will add a new section, which looks out of place
without these new sections.

Best reviewed with "git show -w".

Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2023-10-03 03:53:35 +00:00
Martin Schwenke
749bc56876 ctdb-doc: Update CTDB manual pages to UTF-8
This will allow Unicode characters to be used, resulting in more
readable source files.

Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2023-10-03 03:53:35 +00:00
Martin Schwenke
f87f02f6f9 ctdb-doc: Fix documentation for ctdb event status
Behaviour was changed, documentation wasn't.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15438

Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>

Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Mon Aug  7 09:43:33 UTC 2023 on atb-devel-224
2023-08-07 09:43:33 +00:00
Andreas Schneider
409ede2d1f ctdb:doc: Fix code spelling
Best reviewed with: `git show --word-diff`.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-04-04 07:31:36 +00:00
Martin Schwenke
a400f4e7cc ctdb-doc: Fix typos in the policy routing documentation
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-05-31 05:06:29 +00:00
Martin Schwenke
8deec3bc67 ctdb-scripts: Drop unused ctdbd_wrapper
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-04-06 06:34:37 +00:00
Martin Schwenke
3caddaafa0 ctdb-config: Drop CTDB_STARTUP_TIMEOUT
This was added to be able to notice startup failures when unknown
tunables were present in the configuration.  Tunables are now set by
the daemon, so this is no longer necessary.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-04-06 06:34:37 +00:00
Martin Schwenke
208034ecfe ctdb-doc: Update documentation for tunables configuration
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-04-06 06:34:37 +00:00
Martin Schwenke
2f6b31788b ctdb-packaging: Move RPM spec file to examples directory
We used to use this for building test packages for standalone CTDB.
However, our testing has now changed to use binary tarballs.  We
believe we were the only users of this spec file and expect CTDB to
only be installed as part of a top-level Samba build, especially in
RPM form.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-04-06 06:34:37 +00:00
Martin Schwenke
f7de2132bb ctdb-doc: Remove documentation for recovery process
This is many years out of date and recent changes make it worse.  It
is unlikely that anyone has the time to fix this in the near future,
so remove it because it is misleading.

Database recovery steps are well documented in comments in the
recovery helper.  Cluster monitoring documentation can be re-added
when things stop changing.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-01-17 10:21:33 +00:00
Martin Schwenke
a940ad9370 ctdb-doc: Update example configuration migration script
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-01-17 10:21:33 +00:00
Martin Schwenke
34d2ca0ae6 ctdb-config: Add configuration option [cluster] leader timeout
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-01-17 10:21:33 +00:00
Martin Schwenke
1dfb266038 ctdb-config: [legacy] recmaster capability -> [cluster] leader capability
Rename this configuration item and move it into the [cluster]
configuration section.

Update documentation to match.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-01-17 10:21:33 +00:00
Martin Schwenke
f5a39058f0 ctdb-config: [cluster] recovery lock -> [cluster] cluster lock
Retain "recovery lock" and mark as deprecated for backward
compatibility.

Some documentation is still inconsistent.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-01-17 10:21:33 +00:00
Martin Schwenke
d752a92e11 ctdb-doc: Update documentation for leader and cluster lock
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-01-17 10:21:33 +00:00
Martin Schwenke
f02e097485 ctdb-tools: recovery master -> leader
The following command names are changed:

  recmaster -> leader
  setrecmasterrole -> setleaderrole

Command output changed for the following commands:

  status
  getcapabilities

Documentation and tests are updated to reflect these changes.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2022-01-17 10:21:33 +00:00
David Disseldorp
55dbd1080d ctdb/doc: mention ctdb_mutex_ceph_rados_helper mgr registration
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
2020-09-23 23:29:41 +00:00
Martin Schwenke
0cb61c6fb6 ctdb-doc: Link to CTDB page in wiki
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 Aug 17 06:13:11 UTC 2020 on sn-devel-184
2020-08-17 06:13:11 +00:00
Martin Schwenke
971c20e9dc ctdb-tools: Drop "ctdb isnotrecmaster" command
This isn't used anywhere and can easily be checked via "ctdb pnn" and
"ctdb recmaster" commands.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2020-08-17 04:51:32 +00:00
Martin Schwenke
f37b3cf2a6 ctdb: Change LVS to use leader/follower
Instead of master/slave.

Nearly all of these are simple textual substitutions, which preserve
the case of the original.    A couple of minor cleanups were made in the
documentation (such as "LVSMASTER" -> "LVS leader").

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2020-07-24 08:37:31 +00:00
Martin Schwenke
16b848553d ctdb: Change NAT gateway to use leader/follower
Instead of master/slave.

Nearly all of these are simple textual substitutions, which preserve
the case of the original.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2020-07-24 08:37:31 +00:00
Renaud Fortier
fdfc480a56 ctdb-scripts: Update nfs-ganesha-callout
On debian buster, this variable doesn't exist anymore. Look at this PR
as a reference:

  https://github.com/gluster/storhaug/pull/30

Signed-off-by: Renaud Fortier <renaud.fortier@fsaa.ulaval.ca>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Apr 23 08:07:51 UTC 2020 on sn-devel-184
2020-04-23 08:07:51 +00:00
Martin Schwenke
be90ab01bb ctdb-docs: Improve recovery lock documentation
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Christof Schmitt <cs@samba.org>

Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Mon Mar  9 02:27:18 UTC 2020 on sn-devel-184
2020-03-09 02:27:18 +00:00
Anoop C S
959235fffb ctdb-docs: Move CTDB_SERVICE_NMB to new 48.netbios section
Signed-off-by: Anoop C S <anoopcs@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>

Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Feb 27 07:34:53 UTC 2020 on sn-devel-184
2020-02-27 07:34:53 +00:00
Günther Deschner
26e1556819 ctdb-scripts: add new 48.netbios script for starting nmbd
This change basically moves out nmbd references from 50.samba script to
a new 48.netbios script. Accordingly ctdb test scripts are tweaked to
cope with newly added script.

Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2020-02-27 06:07:41 +00:00
Martin Schwenke
4de1e3207b ctdb-docs: Provide example commands for "ctdb event ..."
The example output doesn't tell a user what command generated it.
Adding the command makes the examples much more useful.

Reported-by: Stefan Kania <stefan@kania-online.de>
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): Tue Feb 18 04:22:56 UTC 2020 on sn-devel-184
2020-02-18 04:22:56 +00:00
Björn Jacke
b9d7b85afd ctdb/doc/readonlyrecords.txt: typo fixes
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2019-10-31 00:43:38 +00:00
Björn Jacke
cb867b29c9 ctdb/doc/ctdb.1.xml: typo fixes
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2019-10-31 00:43:38 +00:00
Björn Jacke
93859b3394 ctdb/doc/ctdb-tunables.7.xml: typo fixes
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2019-10-31 00:43:38 +00:00
Björn Jacke
37398acca5 ctdb/doc/ctdb-statistics.7.xml: typo fixes
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
2019-10-31 00:43:38 +00:00
Martin Schwenke
2c54f6df71 ctdb-common: Mark VacuumLimit tunable as obsolete
Use of this tunable was dropped over 5 years ago in commit
16837bc309.

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): Fri Oct  4 07:07:21 UTC 2019 on sn-devel-184
2019-10-04 07:07:21 +00:00
Mathieu Parent
736bb924f7 Spelling fixes s/ ot / to /
Signed-off-by: Mathieu Parent <math.parent@gmail.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
2019-09-01 22:21:27 +00:00
David Disseldorp
5e9a25ae28 ctdb/doc: fix some double-word typos
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-08-12 23:23:31 +00:00
Martin Schwenke
90de5e0594 ctdb-tools: Drop onnode -o option
I don't think anyone uses this and it causes complications.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2019-07-05 05:03:22 +00:00
Martin Schwenke
b80967f5dc ctdb-scripts: Drop script configuration variable CTDB_MONITOR_SWAP_USAGE
CTDB's system memory monitoring in 05.system.script monitors both main
memory and swap.  The swap monitoring was originally based on
the (possibly incorrect, see below) idea that swap space stacks on top
of main memory, so that when a system starts filling swap space then
this is supposed to be a good sign that the system is running out of
memory.  Additionally, performance on a Linux system tends to be
destroyed by the I/O associated with a lot of swapping to spinning
disks.

However, some platforms default to creating only 4GB of swap space
even when there is 128GB of main memory.  With such a small swap to
main memory ratio, memory pressure can force swap to be nearly full
even when a significant amount of main memory is still available and
the system is performing well.  This suggests that checking swap
utilisation might be less than useful in many circumstances.

So, remove the separate swap space checking and change the memory
check to cover the total of main memory and swap space.

Test function set_mem_usage() still takes an argument for each of main
memory and swap space utilisation.  For simplicity, the same number is
now passed twice to make the intended results comprehensible.  This
could be changed later.

A couple of tests are cleaned up to no longer use hard-coded
/proc/meminfo and ps output.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2019-05-07 05:45:34 +00:00
Martin Schwenke
9d1d5fa4ac ctdb-doc: Add non-breaking space to lock_buckets documentation
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2018-12-18 02:02:03 +01:00
Martin Schwenke
93284ed032 ctdb-daemon: Divide by 2 when calculating hop count bucket
This provides finer resolution while still maintaining a reasonable
maximum.  In this case the top bucket contains any hop counts
>= 16384, compared to the current situation where the top bucket contains
hop counts >= 268435456.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2018-12-18 02:02:03 +01:00
Martin Schwenke
4e6bd42493 ctdb-daemon: Improve documentation for -i option
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2018-11-06 07:16:15 +01:00
Ralph Wuerthner
e52abc8a44 ctdb-doc: Remove PIDFILE option from ctdbd_wrapper man page
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13610

Signed-off-by: Ralph Wuerthner <ralph.wuerthner@de.ibm.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Ralph Böhme <slow@samba.org>

Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Wed Sep 12 21:50:57 CEST 2018 on sn-devel-144
2018-09-12 21:50:57 +02:00
Martin Schwenke
78aad7623e ctdb-doc: Switch tunable DisableIPFailover to a config option
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2018-08-24 10:59:21 +02:00
Martin Schwenke
929634126a ctdb-config: Switch tunable DisableIPFailover to a config option
Use the "failover:disabled" option instead.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13589

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2018-08-24 10:59:21 +02:00