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recovery mode back to NORMAL that we can not lock the reclock file
since at this stage it MUST be locked by the recovery daemon.
in order to avoid a non-blocking fnctl() lock from blocking and cause
"issues" we move the 'test that we can not lock reclock file' into a
child process.
(This used to be ctdb commit 3af994641ec2234e37da1fa1f693441586471a7e)
public addresses to nodes deterministic.
Activate it by adding CTDB_SET_DeterministicIPs=1 in /etc/sysconfig/ctdb
When this is set, the first entry in /etc/ctdb/public_addresses will
always be hosted by node 0, when that node is available, the second
entry by node1 and so on.
This tunable allows the allocation of addresses to become very
unbalanced and is only for debugging/testing use.
Beware, this feature requires that /etc/ctdb/public_addresses are
identical on all the nodes in the cluster.
(This used to be ctdb commit f0ca221f235731542090d8a6c86f2b7cd2ce2f96)
eventhough we dont want a blocking lock it does appear that the fcntl()
call can block for a while if gpfs is in the process of rebuilding
itself after a node arriving/leaving the cluster
(This used to be ctdb commit 6c0d206dea7116db71bccb4802a93dd7283249f6)
make sure we read and update the flags from all remote nodes before we
reach the first codepath that can call do_recovery()
since during do_recovery() we need to know what the flags are.
(This used to be ctdb commit e85f3806483ea420559d449e0e4d81bec996740f)
used in single public ip address mode.
when using this argument, --public-interface must also be used.
add a vnn structure to the ctdb context to describe the single public ip
address
update the killtcp control in the daemon that if a socketpair that is to
be killed does not match a normal public address it checks if the
destination address maches the single public ip address and if so uses
that vnn structure from the ctdb context
this allows killtcp to kill also connections to the single public ip
instead of only normal public addresses
(This used to be ctdb commit 5661ba17b91f62821dec1c76056c78b99752a90b)
shouldnt or we are not holding addresses wqe should)
we must first freeze the local node before we set the recovery mode
(This used to be ctdb commit a77a77e8b5180f6a4a1f3d7d4ff03811f3b71b56)
set the node initially unhealthy and let the status monitoring bring the node online.
This fixes a problem with winbindd, where it refused to start because secrets.tdb was not populated
but we could not populate ctdbd, because the net command would not run while ctdbd was still doing startup
and thus frozen
(This used to be ctdb commit 3a001b793dd76fb96addf1e2ccb74da326fbcfbc)
c to prevent it from being immediately freed (and our persistent store
state with it) if we need to wait asynchronously for other nodes before
we can reply back to the client
(This used to be ctdb commit fa5915280933e4d2e7d4d07199829c9c2b87a335)
nodes so that the db is created on them as well
when we send this broadcast we must use the correct control and not
assume all databases created are of the temporary kind
(This used to be ctdb commit 106f816d4a0814ca4418de051289d9fc62df7dd2)
addresses (i.e. htey hold those they should hold and they dont hold
any of those they shouldnt hold)
if an inconsistency is found, mark the local node as recovery mode
active
and wait for the recovery master to trigger a full blown recovery
(This used to be ctdb commit 55a5bfc8244c5b9cdda3f11992f384f00566b5dc)
- add a flag to check that recovery completed correctly. If not, re-trigger it in monitoring
(This used to be ctdb commit d5ed941d9bab4af30d8b5f9b77bdf43d9218d69b)
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)
a bool that specifies whether the ip was held by a loopback adaptor or
not
the name of the interface where the ip was held
when we release an ip address from an interface, move the ip address
over to the loopback interface
when we release an ip address after we have move it onto loopback,
use 60.nfs to kill off the server side (the local part) of the tcp
connection so that the tcp connections dont survive a
failover/failback
61.nfstickle, since we kill hte tcp connections when we release an ip
address we no longer need to restart the nfs service in 61.nfstickle
update ctdb_takeover to use the new signature for ctdb_sys_have_ip
when we add a tcp connection to kill in ctdb_killtcp_add_connection()
check if either the srouce or destination address match a known public
address
(This used to be ctdb commit f9fd2a4719c50f6b8e01d0a1b3a74b76b52ecaf3)
