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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)
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)
everytime we release an ip.
this context is used to hold all resources needed when sending out
gratious arps and tcp tickles during ip takeover.
we hang it off the vnn structure that manages that particular ip address
instead so that we can have multiple ones going in parallell
this bug (or the same bug in different shape) has probably been in ctdb
for very very long but is likely to be hard to trigger
(This used to be ctdb commit c58db1cadaba253b2659573673b28c235ef7db76)
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)
controls to register/unregister/check a server id.
a server id consists of TYPE:VNN:ID where type is specific to the
application. VNN is the node where the serverid was registered and ID
might be a node unique identifier such as a pid or similar.
Clients can register a server id for themself at the local ctdb daemon.
When a client dissappears or when the domain socket connection for the
client drops then any and all server ids registered across that domain
socket will also be automatically removed from the store.
clients can register as many server_ids as they want at the same time
but each TYPE:VNN:ID must be globally unique.
Clients have the option of explicitely unregister a server id by using
the UNREGISTER control.
Registration and unregistration can only be done by clients to the local
daemon. clients can not register their server id to a remote node.
clients can check if a server id does exist on any ctdb node in the
network by using the check control
(This used to be ctdb commit d44798feec26147c5cc05922cb2186f0ef0307be)
