On 10/28/2011 9:28 AM, Andreas Kurz wrote: > Hello,
> > On 10/28/2011 04:06 PM, Joe wrote: >> Hello everyone, >> >> My goal is to build a HA DRBD and MYSQL on two nodes(active/passive). I >> followed the " cluster from scratch" article to build this environment. >> If I do standby failover host, it works fine but when I pull the >> heartbeat cable from the active node, the resources do not fail over to >> the secondary. Please advise. Thank you very much. Joe > * "the" heartbeat cable == one heartbeat cable? Not supported setup -- > use at least two heartbeat channels, add at least the DRBD replication > network. > > * you produced a split brain situation. I'd expect you see errors in > your cluster status and see DRBD log entries with a wording similar to > "not allowed to become primary because allow-two-primaries is not set" > ... if you had also pulled DRBD link you would have all resources > running twice > > * use stonith to recover from a split-brain situation (or block if its > unsuccessful) > > * read more manuals ;-) > >> *CENTOS 5.6/drbd8.3/corosync/pacemaker >> >> node-0 IP: 192.168.1.101 (heartbeat) 10.0.0.10 (drdb) >> node-1 IP: 192.168.1.102 (heartbeat) 10.0.0.20 ( drbd) >> Cluster Virtual IP: 192.168.1.160 >> >> * _crm configure show_ >> node $id="2b68511d-b96f-4b56-9f66-70262e3e2c46" mysqldrbd01 \ >> attributes standby="off" >> node $id="d86dc58b-2309-43d9-af96-6519127e83d7" mysqldrbd02 \ >> attributes standby="off" > These ids are from Heartbeat CCM ... but you attached a Corosync > configuration? Decide for one ... either Heartbeat or Corosync. > > Regards, > Andreas > > > I would suggest adding a third node (without the mysql and drdb) just for quorum/heartbeat checking To read FirstRand Bank's Disclaimer for this email click on the following address or copy into your Internet browser: https://www.fnb.co.za/disclaimer.html If you are unable to access the Disclaimer, send a blank e-mail to firstrandbankdisclai...@fnb.co.za and we will send you a copy of the Disclaimer.
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