Re: Zookeeper leader stop and restart question

[Flavio Junqueira]

Hi Ruifang, It is not clear to me if you verified that leader1 restarted correctly. Was it able to join the ensemble by following leader2? -Flavio On Nov 1, 2010, at 8:09 PM, Ruifang Ge wrote: Hi, I started a 5-node zookeeper cluster, then killed the leader (leader1).  One of the other server became the new leader(leader2).  After that, I restarted the former leader (leader1), and it failed to be connected from zkCli.  Does anyone have some idea about this? Leader1: 2010-10-30 07:34:08,546 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer:620 - LOOKING 2010-10-30 07:34:08,547 [QuorumPeer:/0.0.0.0:5001]  INFO FastLeaderElection:649 - New election. My id =  4, Proposed zxid = 0 2010-10-30 07:34:08,550 [QuorumPeer:/0.0.0.0:5001]  INFO FastLeaderElection:689 - Notification: 3, 0, 1, 4, LOOKING, LOOKING, 3 2010-10-30 07:34:08,551 [QuorumPeer:/0.0.0.0:5001]  INFO FastLeaderElection:689 - Notification: 4, 0, 1, 4, LOOKING, LOOKING, 4 2010-10-30 07:34:08,552 [QuorumPeer:/0.0.0.0:5001]  INFO FastLeaderElection:689 - Notification: 2, 0, 1, 4, LOOKING, LOOKING, 2 2010-10-30 07:34:08,553 [QuorumPeer:/0.0.0.0:5001]  INFO FastLeaderElection:689 - Notification: 3, 0, 1, 4, LOOKING, LOOKING, 2 2010-10-30 07:34:08,553 [QuorumPeer:/0.0.0.0:5001]  INFO FastLeaderElection:689 - Notification: 4, 0, 1, 4, LOOKING, LOOKING, 3 2010-10-30 07:34:08,554 [QuorumPeer:/0.0.0.0:5001]  INFO FastLeaderElection:689 - Notification: 4, 0, 1, 4, LOOKING, LOOKING, 2 2010-10-30 07:34:08,805 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer:654 - LEADING ... kill it, restart it ... 2010-10-30 08:01:29,868 [main]  INFO QuorumPeerConfig:90 - Reading configuration from: /var/ zoo.cfg 2010-10-30 08:01:29,876 [main]  INFO QuorumPeerConfig:287 - Defaulting to majority quorums ... 2010-10-30 08:01:30,101 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer:620 - LOOKING 2010-10-30 08:01:30,120 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer:654 - LEADING (chosen as leader again) Leader2: 2010-10-30 07:34:08,531 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer:620 - LOOKING 2010-10-30 07:34:08,550 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer:642 - FOLLOWING 2010-10-30 07:58:58,064 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer:620 - LOOKING 2010-10-30 07:58:58,389 [QuorumPeer:/0.0.0.0:5001]  INFO QuorumPeer:654 - LEADING (becomes the new leader) Thanks, Ruifang flavio junqueira   research scientist   f...@yahoo-inc.com direct +34 93-183-8828   avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300    fax (408) 349 3301