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If set, this was used to setup an IP takeover run on a timer after
certain updates to the public IP address configuration (e.g. "ctdb
addip").
However, "ctdb reloadips" completely manages public IP reconfiguration
and avoids the anomalies that DeferredRebalanceOnNodeAdd was
introduced to work around.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
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>
During the recovery process, the timeout value for sending all controls
is decided by RecoverTimeout tunable. So in the recovery process,
first get the tunables, so the control timeout gets set correctly.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Current NFS and CIFS tickle tests do not test the killtcp
functionality on the releasing node. 2-way killing is done for NFS,
so this test explicitly looks for packets from the releasing node.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
tcpdump does not support filtering on MAC address when reading from a
file. Therefore, this is implemented by conditionally using grep to
filter the output of tcpdump.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
There's a tiny chance that the connection information may not be
transferred to other nodes quickly enough, so add an explicit wait.
Also clean up the description and recognise that it is the takeover
node that does the tickling.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If the files section uses %{_libexecdir} then CTDB must also be
configured to build and install with the same path, otherwise rpmbuild
can fail due to a mismatch. "rpmbuild --showrc" indicates that the
default %configure command sets:
--libexecdir=%{_libexecdir} \
A mismatch will occur on SUSE systems, where SLES 12 and OpenSUSE 12
set _libexecdir to %{_exec_prefix}/lib.
The failure was initially seen when testing on Debian where
_libexecdir is set to %{_prefix}/lib/x86_64-linux-gnu, though Debian
is an unlikely platform for building RPMs...
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 Mar 7 14:43:15 CET 2016 on sn-devel-144
Use real-time priority only for obtaining record and database locks.
Do not open databases with real-time priority as it can cause thundering
herd on fcntl lock while opening tdb database. Also relinquish real-time
priority after the lock is obtained.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Mon Mar 7 11:29:00 CET 2016 on sn-devel-144
CTDB releases all IPs in following cases: starting up, shutting down,
node gets banned, node does not come out of recovery for a long time.
Always inform samba when CTDB releases IP addresses.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
CTDB already notifies Samba with RELEASE_IP message. Samba can take
appropriate action based on that.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This is unmaintained and misleading.
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 Mar 7 05:00:15 CET 2016 on sn-devel-144
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11770
From man page of packet(7):
protocol is the IEEE 802.3
protocol number in network byte order. See the <linux/if_ether.h>
include file for a list of allowed protocols. When protocol is set to
htons(ETH_P_ALL), then all protocols are received.
Protocol argument was changed from network order to host order wrongly
in commit 9f8395cb7d.
Specifying "protocol" field to socket(AF_PACKET, ...) call only affects
the packets that are recevied. So use protocol = 0 when sending raw
packets.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Fri Mar 4 12:58:50 CET 2016 on sn-devel-144
Anything starting with CTDB_ is appended to each node's configuration
file.
This is made slightly more difficult because the "env" command doesn't
necessarily quote values for consumption by the shell. The strategy
used here is a bit fragile (assumes double-quotes, no nested quotes)
but this is test code and only developers are expected to use this
override.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Tue Mar 1 08:56:09 CET 2016 on sn-devel-144
This uses a configuration file which can be more easily overridden
that explicit command-line options.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
GNU/kFreeBSD's platform name is 'gnukfreebsd', not just 'kfreebsd'.
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Autobuild-User(master): Garming Sam <garming@samba.org>
Autobuild-Date(master): Tue Mar 1 05:42:23 CET 2016 on sn-devel-144
These have been scattered around the code so that
tevent_loop_allow_nesting() can be called. However, only the main
daemon and some tests currently use nested event loops.
TEVENT_DEPRECATED is already defined in the places where it is needed.
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 Feb 26 07:11:29 CET 2016 on sn-devel-144
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Wed Feb 24 11:57:23 CET 2016 on sn-devel-144
If a record is not on a local node, then it is migrated from remote node.
However, before the client can get a lock on the record, it's possible
for the record to get migrated away. In that case, repeat migration.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
There is no allocated memory returned from these functions.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The database context returned is allocated off the client and is not
allocated from user-supplied TALLOC_CTX.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This is similar to ctdb_client_wait() with additional timeout argument.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
It does not make sense to update this statistic for the timeout case,
since this could skew the statistic. To keep it simple, just update
it for the usual case where there is lock contention, since this is
the usual case. So the daemon statistic measures time to test the
lock and the corresponding recovery daemon statistic measures time to
take the lock.
Additionally, the recovery daemon will eventually use this code to
take the lock, and the method of updating the latency statistic will
need to be pushed further out to a configurable handler that depends
on the calling context.
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 23 10:32:06 CET 2016 on sn-devel-144
Have 0 indicate that the lock was taken. This allows non-zero values
to be used to indicate why the lock could not be taken. EACCES means
lock contention.
For now use just EACCES to cover all failures, since
ctdb_recovery_lock() returns a bool and details of other errors will
be lost. ctdb_recovery_lock() will undergo some big changes, so don't
try to fix this now.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This currently returns an incorrect error when the expected number of
bytes are not read. Separate out the different cases to clarify the
logic and avoid reporting the wrong error.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is already done before the destructor is assigned.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The callbacks that use this value are only ever called if recovery
mode is being set to NORMAL. So do not check if recmode is NORMAL
either.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This pattern is used quite a few times in the CTDB code. Many
instances use ctdb_kill() but for signal 0 this just calls kill(2)
anyway.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The child process writes the status into the pipe before looping to
wait.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
