Comments (2)
doddys
commented on July 2, 2024
I found this error in the log file of SNN
2018-05-15 04:46:32,705 ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: Exception in doCheckpoint
java.io.IOException: Inconsistent checkpoint fields.
LV = -60 namespaceID = 185358040 cTime = 0 ; clusterId = cluster20 ; blockpoolId = BP-1234263361-172.30.1.187-1526298662632.
Expecting respectively: -60; 1426520126; 0; cluster14; BP-1463659061-172.30.1.187-1526286687045.
at org.apache.hadoop.hdfs.server.namenode.CheckpointSignature.validateStorageInfo(CheckpointSignature.java:134)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:540)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doWork(SecondaryNameNode.java:360)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$1.run(SecondaryNameNode.java:325)
at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:444)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.run(SecondaryNameNode.java:321)
at java.lang.Thread.run(Thread.java:745)
I fixed it by deleting /dfs/snn.
Is that a correct solution?
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doddys
commented on July 2, 2024
For HA solution need to execute the following:
hdfs dfsadmin -safemode enter
hdfs dfsadmin -saveNamespace
hdfs dfsadmin -safemode leave
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