Hadoop运维--HA抛出journalnode can not write
Hadoop版本cdh4.3.2
异常描述
journalnode提示不能写入，后端抛异常
1.6.232:50854: error: org.apache.hadoop.hdfs.qjournal.protocol.JournalNotFormattedException: Journal Storage Directory /data/hadoop/journalnode/journaldata/jn/mycluster not formatted
org.apache.hadoop.hdfs.qjournal.protocol.JournalNotFormattedException: Journal Storage Directory /data/hadoop/journalnode/journaldata/jn/mycluster not formatted
at org.apache.hadoop.hdfs.qjournal.server.Journal.checkFormatted(Journal.java:451)
at org.apache.hadoop.hdfs.qjournal.server.Journal.getEditLogManifest(Journal.java:634)
at org.apache.hadoop.hdfs.qjournal.server.JournalNodeRpcServer.getEditLogManifest(JournalNodeRpcServer.java:177)
at org.apache.hadoop.hdfs.qjournal.protocolPB.QJournalProtocolServerSideTranslatorPB.getEditLogManifest(QJournalProtocolServerSideTranslatorPB.java:196)
at org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos$QJournalProtocolService$2.callBlockingMethod(QJournalProtocolProtos.java:14028)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:453)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1002)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1701)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1697)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1408)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1695)
解决方案
拷贝另外一台正常journalnode到指定的journaldata目录，重启服务，done
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