Thanks Joshi, Maybe I pasted wrong log messages.
please looked at here for the real story. https://issues.apache.org/jira/browse/HDFS-5550 On Fri, Nov 22, 2013 at 6:25 PM, Joshi, Rekha <[email protected]>wrote: > Yes realized that and I see your point :-) However seems like some fs > inconsistency present, did you attempt rollback/finalizeUpgrade and check? > > For that error, FSImage.java/code finds a previous fs state - > > // Upgrade is allowed only if there are > > // no previous fs states in any of the directories > > for (Iterator<StorageDirectory> it = storage.dirIterator(); > it.hasNext();) { > > StorageDirectory sd = it.next(); > > if (sd.getPreviousDir().exists()) > > throw new InconsistentFSStateException(sd.getRoot(), > > "previous fs state should not exist during upgrade. " > > + "Finalize or rollback first."); > > } > > > Thanks > > Rekha > > > From: Azuryy Yu <[email protected]> > Reply-To: "[email protected]" <[email protected]> > Date: Thursday 21 November 2013 5:19 PM > To: "[email protected]" <[email protected]> > Cc: "[email protected]" <[email protected]> > Subject: Re: HDFS upgrade problem of fsImage > > I insist hot upgrade on the test cluster because I want hot upgrade on > the prod cluster. > On 2013-11-21 7:23 PM, "Joshi, Rekha" <[email protected]> wrote: > >> Hi Azurry, >> >> This error occurs when FSImage finds previous fs state, and as log states >> you would need to either finalizeUpgrade or rollback to proceed.Below - >> >> bin/hadoop dfsadmin –finalizeUpgrade >> hadoop dfsadmin –rollback >> >> On side note for a small test cluster on which one might suspect you are the >> only user, why wouldn't you insist on hot upgrade? :-) >> >> Thanks >> Rekha >> >> Some helpful guidelines for upgrade here - >> >> http://wiki.apache.org/hadoop/Hadoop_Upgrade >> >> https://twiki.grid.iu.edu/bin/view/Storage/HadoopUpgrade >> >> http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/Federation.html#Upgrading_from_older_release_to_0.23_and_configuring_federation >> >> >> From: Azuryy Yu <[email protected]> >> Reply-To: "[email protected]" <[email protected]> >> Date: Thursday 21 November 2013 9:48 AM >> To: "[email protected]" <[email protected]>, " >> [email protected]" <[email protected]> >> Subject: HDFS upgrade problem of fsImage >> >> Hi Dear, >> >> I have a small test cluster with hadoop-2.0x, and HA configuraded, but >> I want to upgrade to hadoop-2.2. >> >> I dont't want to stop cluster during upgrade, so my steps are: >> >> 1) on standby NN: hadoop-dameon.sh stop namenode >> 2) remove HA configuration in the conf >> 3) hadoop-daemon.sh start namenode -upgrade -clusterID test-cluster >> >> but Exception in the NN log, so how to upgrade and don't stop the whole >> cluster. >> Thanks. >> >> >> org.apache.hadoop.hdfs.server.common.InconsistentFSStateException: >> Directory /hdfs/name is in an inconsistent state: previous fs state should >> not exist during upgrade. Finalize or rollback first. >> at >> org.apache.hadoop.hdfs.server.namenode.FSImage.doUpgrade(FSImage.java:323) >> at >> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:248) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:858) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:620) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:445) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:494) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:692) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:677) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1279) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1345) >> >
