On Thu, Nov 4, 2010 at 2:44 AM, <renayama19661...@ybb.ne.jp> wrote: > Hi All, > > We tested it about the recovery procedure from the state that a node was > divided. > (As for four nodes, three nodes are active, and one node is constitution of > the standby.) > > It is the restoration from a state divided by two nodes that we set in > no-quorum-policy="freeze". > > The resource keeps a state as is after it was divided in the case of freeze > setting. > (We tested it using special RA to evade that recognition of the division of > the node of ccm was late > in Heartbeat.) > > > We confirmed some patterns to recovery. > And we thought that the next method was desirable. > > * The first method. (By this method, all resources do not stop.) > Step1) Stop all the divided nodes of the one side. > Step2) Break off the problem that a node divided.(For example, change a > network card.) > Step3) Make "/var/lib/heartbeat/crm/" clean. > Make it clean in the node that stopped. > Step4) Start two nodes that stopped. > Step5) A cluster is rebuilt. > > * The second method. (But, all resources stop when we take this method) > Step1) Stop all four nodes. > Step2) Break off the problem that a node divided.(For example, change a > network card.) > Step3) Make "/var/lib/heartbeat/crm/" clean. > Make it clean in all nodes > Step4) Start all four nodes. > Step5) Send cib information to a cluster. > Step6) A cluster is rebuilt. > > > We do not want to take the second method. > Because, all resources stop when we take second method. > > Is not there a problem in the first method that we took?
Step 3 should not be necessary, but otherwise there is nothing wrong with the first method. That usage is essentially what it was designed for. Hope that answers your question. > > Is there a method to recommend by a recovery method of the division from > freeze setting as community? > > Best Regards, > Hideo Yamauchi. > > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: > http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker > _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
