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Although not obvious, when asking each node for nodestatus, it will report
each node is the current node.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 261258c1a4268230b2559bc5d8664b1197b22450)
Corrupt non-persistent databases never get analysed because ctdbd
zeroes them at startup.
Modify the initscript so that corrupt non-persistent databases are
moved aside to a backup. If the number of backups for a particular
database exceeds $CTDB_MAX_CORRUPT_DB_BACKUPS (default 10) then the
oldest excess backups are garbage collected.
Abstracts from and cleans up the code for checking persistent
databases.
Logging of related messages is done to syslog or a log file as
specified.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 00cd75595685dae829758abf1a4cb644af7ed50e)
The implementation of DisableIPFailover got intermingled with
--nopublicipcheck. This just looks wrong - Ronnie must have been
having a bad day. :-)
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 5083b266dd68b292c4275505f3d1b878dbf12f11)
Allows running arbitrary command and comparing output against
expected.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit da2e9650a97f99e7d694659926d9958927edd8ad)
To accommodate 13.per_ip-routing in output.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 0142729c96b8bfecfabe35439071557bcc6ed4da)
Remove functions for marking nodes as down/up. This is now done via
ctdb disable/enable in the stub.
Also more consistent temporary directory use.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 1db9a533aacc6e02ddbadf76241429144a949e1c)
* Proper IP (re)allocation using ctdbd's IP allocation algorithm.
* Therefore, "ctdb ip" works sensibly.
* Add enable, disable, moveip.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 6d4b4b1293ba960d8fdf81958d6e8dd23c9d771a)
Make it easier to spot differences between desired output and actual
output.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit d132a8f4a8c0573ac447713a71911f02b6f0d73c)
Currently it spews out random messages about the file being missing.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 351ca413eec460330571ca8b01ad269728fe15df)
Make add_ip_to_iface() and delete_ip_from_iface() do their own locking
so the external script is no longer required.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 93f90caf91246074d9359bf31a39b26212cccc42)
This is no longer used by 13.per_ip_routing or anything else.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 2a2ea6c61a05af2d0765e964abcc7ef04047431e)
The relevant functions are now in that script.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 45c3476d12bf0f52966b72d286f101fce1382cd2)
The current version is quite difficult to read. This one is hopefully
clearer.
Major changes:
* The configuration file has a more forgiving syntax. Items can be
separated by arbitrary whitespace.
* Mappings between IP addresses and table IDs are no longer stored in
files in a state directory. Instead they are stored in
/etc/iproute2/rt_tables as mappings between table IDs and labels, as
allowed by the ip command. The current structure of the labels is
ctdb.<source-ip>. This means that once the labels are setup the
routing tables can be referenced by just knowing the source IP. As
with the old state directory, mappings in this file owned by CTDB
are deleted when CTDB shuts down.
* There are no release or re-add scripts.
- Release scripts are not necessary as an optimisation because of
the previous improvement (i.e. use of rt_tables). No lookup is
necessary to delete rules or flush tables.
- Re-add scripts are no longer used. Routes can still go missing
when removal of a primary IP from an interfaces (or similar)
causes removal of all other addresses (i.e. secondaries) and also
all associated routes. However, any missing routes are now
re-added in the "ipreallocated" event. This happens shortly after
takeip/releaseip/updateip and means that the routes will only be
re-added once. The window for missing routes is slightly bigger
but is not expected to be significant.
* The magic "__auto_link_local__" configuration value no longer causes
a dynamic configuration file to be maintained in a state directory.
The link local configuration is now generated when needed from the
public_addresses file. This greatly simplifies the code. This
approach is slightly less efficient but should not be significant.
The above changes mean that, apart from maintaining mappings in the
rt_tables file, there are no state files kept anymore.
Some utility functions only used by this script have been rewritten
and moved into this script. They will be removed from the functions
file by a future commit.
The route re-add code will also be removed from interface_modify.sh by
a future commit. It is currently harmless.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 0f7cbbb55f26cf3c953e98fe5e7eaa12f59fbf78)
Args:
1. Error message to be printed.
2. Option exit code (default 1)
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 97b0c138cb97e30db27c40b4ee1481109ae90c78)
Remove the old global setting for this unused tunable and add it as a new node flag. This node flag is only valid/defined within the takeover subsystem in the recovery daemon. Add async functions to collec the NoIPFailback settings for each node.
This will later e used to disqualify certain nodes from being takeover targets when we perform reallocation.
(This used to be ctdb commit 668f3e88a9e5f598706952b7140547640c85a5ed)
This can improve performance and stop clients from having to chase a rapidly migrating/bouncing record
(This used to be ctdb commit d0d98f7e45e5084b81335b004d50bddc80cdc219)
