Thanks for replying. What is the recommended way to remove a node and delete all data from it and make it start fresh?
On Wed 21 Aug, 2019, 12:58 AM Enrico Olivelli, <[email protected]> wrote: > Hello, > Sorry for so late reply. > If you have 3 servers you can nuke the broken one and make it start from > scratch, it will join the cluster and then recover data from the other > servers > > Try it in a staging env, not in production > > Enrico > > Il mar 20 ago 2019, 20:30 Debraj Manna <[email protected]> ha > scritto: > > > The same has been asked in stackoverflow > > < > > > https://stackoverflow.com/questions/57574298/zookeeper-error-the-current-epoch-is-older-than-the-last-zxid > > > > > also. But no response there also. > > > > Anyone any thoughts on this one? > > > > On Tue, Aug 20, 2019 at 4:43 PM Debraj Manna <[email protected]> > > wrote: > > > > > Posted wrong Jira link. I meant > > > https://issues.apache.org/jira/browse/ZOOKEEPER-2354. Can someone let > > me > > > know what is the recommended way to recover the node? > > > > > > support@platform2:/var/lib/zookeeper/version-2$ sudo cat acceptedEpoch > > > 8support@platform2:/var/lib/zookeeper/version-2$ sudo cat currentEpoch > > > 7support@platform2:/var/lib/zookeeper/version-2$ sudo cat > > currentEpoch.tmp > > > 8support@platform2 > > > > > > On Tue, Aug 20, 2019 at 3:14 PM Debraj Manna <[email protected] > > > > > wrote: > > > > > >> Hi > > >> > > >> I am using a zookeeper ensemble of 3 nodes running 3.4.13. Sometimes > > >> after reboot of machine zookeeper is not starting and I am seeing the > > below > > >> errors in logs. > > >> > > >> I have seen https://issues.apache.org/jira/browse/ZOOKEEPER-1653 . > Can > > >> someone let me if this is fixed in 3.4.13 or not as I can see the > issue > > >> still open? Also can somone suggest what is the recommended way to > > recover > > >> the set-up ? > > >> > > >> 2019-08-19 04:18:36,906 [myid:2] - ERROR [main:QuorumPeer@692] - > Unable > > >> to load database on disk > > >> java.io.IOException: The current epoch, 7, is older than the last > zxid, > > >> 34359738370 > > >> at > > >> > > > org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:674) > > >> at > > >> > org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:635) > > >> at > > >> > > > org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:170) > > >> at > > >> > > > org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:114) > > >> at > > >> > > > org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:81) > > >> 2019-08-19 04:18:36,908 [myid:2] - ERROR [main:QuorumPeerMain@92] - > > >> Unexpected exception, exiting abnormally > > >> java.lang.RuntimeException: Unable to run quorum server > > >> at > > >> > > > org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:693) > > >> at > > >> > org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:635) > > >> at > > >> > > > org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:170) > > >> at > > >> > > > org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:114) > > >> at > > >> > > > org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:81) > > >> Caused by: java.io.IOException: The current epoch, 7, is older than > the > > >> last zxid, 34359738370 > > >> at > > >> > > > org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:674) > > >> ... 4 more---- > > >> > > >> > > >> > > >
