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need_takeover_run is set to true or else we might forget to rerun it
again during the next recovery
othervise, need_takeover_run is only set to true IFF the node flags for
a remote node and the local nodes differ.
It is possible that a takeover run fails and thus the reassignment of
ip addresses is incomplete but before we get back to the test in
monitor_cluster() that all the node flags of all nodes have converged
and they now match each others again. and thus causing
monitor_cluster() to fail to realize that a takeover run is needed.
(This used to be ctdb commit ae7e866787cebd14394983ce1834387c959d1022)
files
so that we can partition the cluster into different subsets of nodes
which each serve a different subset of the public addresses
(This used to be ctdb commit 889e0fe69e4c88c6166282b12843b8d9727552d6)
multiple public addresses spread across multiple interfaces on each
node.
this is a massive patch since we have previously made the assumtion that
we only have one public address per node.
get rid of the public_interface argument. the public addresses file
now explicitely lists which interface the address belongs to
(This used to be ctdb commit 462ebbc791e906a6b874c862defea43235597ca8)
passing it as a parameter we set the callback function explicitely from
the caller if the ..._send() function returned a valid state pointer.
(This used to be ctdb commit aa939570662786455f63299b62c99882cff29d42)
callback function which is called upon completion (or timeout) of the
control.
modify scanning of recmaster in the monitoring_cluster code to try the
api out
(This used to be ctdb commit c37843f1d97b169afec910e7ddb4e5ac12c3015c)
struct so that if we timeout a control we can print debug info such as
what opcode failed and to which node
we dont need the *status parameter to ctdb_client_control_state
create async versions of the getrecmaster control
pass a memory context to getrecmaster
(This used to be ctdb commit 558b680c82f830fba82c283c78c2de8a0b150b75)
places.
create a new helper function to generate new generation id values that
know about the invalid id and avoids generating it.
update the ctdb status tool to know about the invalid generation id and
print the string INVALID instead
(This used to be ctdb commit 4fbcd189543cb8a92227fdcd3d158472e558ccda)
see both the old flags as well as the new flags (so we can tell which
flags changed)
send the CTDB_SRVID_RECONFIGURE messages to connected nodes only, not to
every node, connected or not, in the cluster.
in the handler inside the recovery daemon which is invoked for node flag
change messages, only do a takeover_run() and redistribute the ip addresses IF it was the
disabled or the unhealthy flags that changed. Also send out the cluster
reconfigured message in this case.
If any of the other flags changed we dont need to do the takeover_run(0
here since that will be done during recovery.
(This used to be ctdb commit 5549b2058e2c148a8ca9d419123acf3247bb8829)
dont let those messages modify the DISCONNECTED flag.
the DISCONNECTED flag must be managed locally since it describes whether
the local node can communicate with the remote node or not
(This used to be ctdb commit 5650673205d335a32d4f27f66847ea66752a00f0)
cluster, we cant check that both the BANNED and the DISCONNECTED flags
are both set at the same time since if a node becomes banned just
before it is DISCONNECTED there is no guarantee that all other nodes
will have seen the BANNED flag.
So we must first check the DISCONNECTED flag only and only if the
DISCONNECTED flag is not set should we check the BANNED flag.
othervise this can cause a recovery loop while some nodes thing the
disconnected node is DISCONNECTED|BANNED and other think it is just
DISCONNECTED
(This used to be ctdb commit 0967b2fff376ead631d98e78b3a97253fc109c69)
- added DatabaseHashSize tunable
- added logging of events inside recovery (for timing)
(This used to be ctdb commit 3593cdb928b91e217faf1b3c537fa28dc82cdace)
