This document mentions namenode formatting and bootstrapping: https://docs.hortonworks.com/HDPDocuments/HDP3/HDP-3.0.0/data-storage/content/format_namenodes.html
Can ambari blueprint take care of it? How to streamline the HDP installation automation? On Mon, Jul 30, 2018 at 9:32 AM, Lian Jiang <[email protected]> wrote: > Hi, > > I am using ambari 2.7 blueprint to install HDP3.0. After installing, the > active namenode cannot start due to error: > > 2018-07-30 04:41:03,839 WARN namenode.FSNamesystem > (FSNamesystem.java:loadFromDisk(716)) > - Encountered exception loading fsimage > java.io.IOException: NameNode is not formatted. > at org.apache.hadoop.hdfs.server.namenode.FSImage. > recoverTransitionRead(FSImage.java:237) > at org.apache.hadoop.hdfs.server.namenode.FSNamesystem. > loadFSImage(FSNamesystem.java:1086) > at org.apache.hadoop.hdfs.server.namenode.FSNamesystem. > loadFromDisk(FSNamesystem.java:714) > at org.apache.hadoop.hdfs.server.namenode.NameNode. > loadNamesystem(NameNode.java:632) > at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize( > NameNode.java:694) > at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>( > NameNode.java:937) > at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>( > NameNode.java:910) > at org.apache.hadoop.hdfs.server.namenode.NameNode. > createNameNode(NameNode.java:1643) > at org.apache.hadoop.hdfs.server.namenode.NameNode.main( > NameNode.java:1710) > > > > By running "sudo -u hdfs hdfs namenode -format" mentioned in > https://community.cloudera.com/t5/Cloudera-Manager- > Installation/Got-error-java-io-IOException-NameNode-is- > not-formatted-but/td-p/56814, I am able to start namenode. However, for > HDP installation automation, I should not have run this command manually. > > Any idea why ambari failed to format namenode in the first place? Thanks. >
