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Grep it out in the Makefile. This should be very obvious if the
output changes and the grep breaks something.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 79638bdd884caaf899c1b41984a5f0cf638207b5)
Warnings are generated when compiling strptime.c. Why is it being
compiled on Linux? strptime(3) has been in glibc for 15 years!
It turns out that some of the test fragments were being looked for in
lib/replace/test/ and some in lib/replace/tests/. In addition,
test*/strptime.c was missing.
Move the tests to lib/replace/test/ for consistency with upstream
(Samba) and copy in test/strptime.c from Samba. Tweak repdir.m4 to
handle the directory rename.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit aaf1ddfc83cf2ede29288baf04a1aa1c69a5cab5)
popt generates 4 compiler warnings with GCC 4.6. There are 2
different types:
* 3 instances of:
warning: cast discards ‘__attribute__((const))’ qualifier from pointer target type [-Wcast-qual]
One occurs in the _free() hack that is used to try and avoid a
compiler warning. I guess GCC got smarter? ;-)
The other is where an array of constant strings is passed to
execvp(2), which arguably has the wrong type, since it has no need
to modify the strings.
Both of these can be worked around by casting to intptr_t before
casting to the desired argument type.
In poptReadConfigFile() the variable file is declared to be a
constant string. However, it is then passed to read(2) straight
away and an attempt is made to cast away the "const". However, to
protect the value the of file is assigned to (const char *) chptr
before it is passed to any other functions, so this protects the
value anyway. I'm not sure exactly what the thinking was
here... but there seems to be no use having file be constant.
* 1 instance of:
warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
for the result of an execvp(2) call. Recast the return type to
void. However, due to some #if-fu in the function, that can make rc
unused in this function. So we also need to wrap the declaration of
rc in some corresponding #if-fu to make it disappear if not used.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit ac9236e64bd0b61740cc787819a1222bc6a67d4a)
There's an empty string passed to ctdb_event_script_callback() for
eventscript option arguments in ctdb_start_daemon() and this generates
a warning.
This type of warning seems pointless so let's switch it off.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 23c164926c5ec4da6d90a5bdcbf2d0100729b451)
Have sent this upstream to Samba.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 080edee3d053d770466ebcc976eb1135c80feef8)
In a few places functions are called, the return code is assigned into
a variable but it is not checked. This generates a compiler warning
like this:
warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Instead we remove the warning by checking the return code variable and
log a warning at DEBUG level if the return code indicates an error.
The justification is that there may have been a future intent to check
the return code but it hasn't been important enough to follow-up. If
it matters, it will be logged for easy debugging.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 1932466c76de2b184c2a257120768ab8c9d6c12a)
The if statement uses ret but means to use ret2.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit f40101a615f8b9826a484e4697bfea6ee2b9ba88)
CTDB wants to use these functions but Samba's tevent wants to mark
them deprecated. This adds a #define to shut up the warnings and sets
it in CFLAGS.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 788cdbddbc902a5b076d23473450065b551d274d)
Update the ranges used for SRVID allocation to allow 8 bit prefixes and thus
56 user-defined bits.
Define the defacto-use of the 0x00 prefix as a SRVID used to register a process id
Upgrade SAMBA/iSCSI/NFS/TEST from a 32 bit prefix each ot a 8 bit prefix each
for private use.
(This used to be ctdb commit 5de9ec2bdf8067406165bc470becdca87f458ae9)
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)
... on Debian system and derivated.
(ctdb_diagnostics still hardcodes /etc/sysconfig/)
(This used to be ctdb commit 1341329f6125d491b82c873f793af819e677f714)
* Tue Nov 8 2011 : Version 1.12
- Add new tunable : AllowClientDBAttach that can be used to stop
client db access during maintenance operations
- Updated logging for interfaces that are missing or dont exist but are
configured to be used.
- Add timeout argument to ctdb_cmdline_client
- PDMA support
- Initial support for 'readonly' delegations for ctdb databases
This will when finished greatly improve performance for contended hot
records that are used for just read-access.
- New 'ctdb cattdb' command
- Massive updates to tests and eventscripts
- LCP2 ip allocation algorithm
- Record Fetch collapse. Collapse multiple fetch-lock requests from cients
to a single network fetch and defer other concurrent requests until the
initial fetch completes, and then service the deferred calls locally.
This will greatly improve performance for contended hot records
where clients request write-locks.
(This used to be ctdb commit bda24b7f313289404b68ce8b9177fbd6b6a05dd7)
When multiple clients fetch the same record concurrently, send only one single
fetch across the network and deferr all other fetches locally.
This improves performance for hot records and reduces cpu load on ctdb.
(This used to be ctdb commit 82d6946ad8b3348e8b9d3d971f24925ade02d1be)
This patch changes the callback signature for traversal
functions to allow a client to abort a traverse before it finishes.
Updates to all callers and examples as well as rb-test tool.
(This used to be ctdb commit 8ab0c63ad36cfbbb1e5fed46a1f4c47b1fdb581f)
A recent fix made the LCP2 algorithm try harder find a candidate
source node. The debug output shows extra output because it is trying
harder so we accommodate that.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 9a6f918bf6db79c1f8c53c0df23d47b73c117ea2)
There's a bug in LCP2. Selecting the node with the highest imbalance
doesn't always work. Some nodes can have a high imbalance metric
because they have a lot of IPs. However, these nodes can be part of a
group that is perfectly balanced. Nodes in another group with less
IPs might actually be imbalanced.
Instead of just trying the source node with the highest imbalance this
tries them in descending order of imbalance until it finds one where
an IP can be moved to another node.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 574091d5aced5e87aefad52f8bc47aa75c25fbf6)
There are 4 IPs across 2 nodes and 2 addresses across 2 other nodes.
If one of the latter nodes is unhealthy and then becomes healthy
again, an IP isn't failed back. This is because the nodes in the 1st
group are >= unbalanced then the nodes in the 2nd group.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 1d26e7cff6292fcbf63efc4628ffbb63b6f1f73c)
This mainly applies to ctdb_takeover_run_core when you might want to
specify that some IPs can only be hosted by some nodes.
Syntax on each line is now:
IP current_pnn allowed_pnns
where allowed_pnns is a comma-separated list.
allowed_pnns is optional. If not specified then address can be
assigned to all nodes that aren't included in an allowed_pnns list.
Just think of it as all PNNs and that the behaviour is undefined when
you only specify allowed_pnns for some IPs. ;-)
current_pnn is optional and defaults to -1.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit ed83604da82ebe566d6eb330ab7119e861e853c8)
There's a bug in LCP2. Selecting the node with the highest imbalance
doesn't always work. Some nodes can have a high imbalance metric
because they have a lot of IPs. However, these nodes can be part of a
group that is perfectly balanced. Nodes in another group with less
IPs might actually be imbalanced.
Factor out the code from lcp2_failback() that actually takes a node
and decides which address should be moved to which node.
This is the first step in fixing the above bug.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 75718c5768b5bb5c0bcd7dd90e0327c6ed22a63d)
If we attempt a readonly lock request for a record that do not exist (yet)
in the local TDB, then upgrade the request to ask for a write lock and force a
request for migrate the record onto the local node.
This allows the "only request record on second local request for known contended records"
heuristics to try to avoid creating readonly delegations unless we have good reason to
assume it is a contended record.
(This used to be ctdb commit e6003e52617385f731ccf93b13d21d5403534a78)
Initial readonly record support in libctdb.
New records are not yet created by the library but extising records will be delegated as readonly records.
This needs a bit more tests before we can drop the "old style" implementation of client
code in client/ctdb_client.c
(This used to be ctdb commit fb50a45a21ff56480d76acd1c33c13c323cbf5e2)
Fix bug when ctdbd updates the local copy of a delegated record to write the correct
amount of data to the record.
(This used to be ctdb commit 8814d8bc159a5e368afaa236ac7d865165db04b2)
Remove the code in the example client code that writes the record to the local tdb.
Add code to the local ctdbd processing of replies to check if this reply contain a ro delegation and if so, spawn a child process to lock the tdb and then write the data.
(This used to be ctdb commit bf1d429227dc4f5818263cc39401d0a22663cdba)
This case was never tested and fakessh obviously won't handle the
extra arguments.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 02184bd5b9ab94cdf2b9ff92e56a509f92f9e4aa)
Current behaviour is for onnode to timeout (for about 20s) for each
attempted ssh to a down node. With 40 or 50 invocations of onnode
this takes a long time.
2 changes to work around this:
* If EXTRA_SSH_OPTS (which is passed to ssh by onnode) does not
contains a ConnectTimeout= setting then add a setting for a 5 second
timeout.
* Filter the nodes before starting any diagnosis, taking out any "bad
nodes" that are uncontactable via onnode.
In the nodes summary at the beginning of the output, print
information about any "bad nodes".
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 8c3b6427dbaade87e1a0f5590f0894c2e69b31a3)
Add option -e to get the old behaviour and process empty records too.
Signed-off-by: Michael Adam <obnox@samba.org>
(This used to be ctdb commit d9859540c2000864bc6c58be5afe19aa3b1064b2)
