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This will be called from recovery helper to assign banning credits to
misbehaving node.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This abstraction uses capabilities of the remote nodes to either send
older PUSH_DB controls or newer DB_PUSH_START and DB_PUSH_CONFIRM
controls.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This abstraction depending on the capability of the remote node either
uses older PULL_DB control or newer DB_PULL control.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Also, rename traverse function and traverse state for recdb_records
consistently.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This variable is used to set the dmaster value for each record in
recdb_traverse().
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This will be used to limit the size of record buffer sent in newer
controls for recovery and existing controls for vacuuming.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Interface names that are too long will be truncated by strncpy(3)
later on. It is better to validate the length of each new interface
name to ensure it will be usable.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Jeremy Allison <jra@samba.org>
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): Thu Mar 17 13:56:41 CET 2016 on sn-devel-144
On a busy system, TRANS3_COMMIT control can take upto or longer than
3 seconds. On timeout, there are few possible outcomes.
1. The transaction has completed on all nodes and TRANS3_COMMIT control
has returned. In such a case, there is no problem.
2. The transaction has completed on the local node, but TRANS3_COMMIT
control is still active. In such a case, ctdb_transaction_commit()
can return successfully. If this is being called from ctdb, then
ctdb will exit. This will cause ctdb daemon to trigger recovery
since the client exited while transaction is active. This will cause
unnecessary recovery.
3. Database recovery was started and ctdb_transaction_commit() will
retry till the recovery completes the transaction.
Increasing the timeout to 30 seconds will avoid the spurious database
recoveries when TRANS3_COMMIT control takes longer to finish.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Fri Mar 11 19:59:53 CET 2016 on sn-devel-144
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>
