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https://issues.apache.org/jira/browse/HDFS-2577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13156432#comment-13156432
]
Todd Lipcon commented on HDFS-2577:
-----------------------------------
The LM changes don't need to be done on trunk, because on the non-HA branch,
FSNamesystem.isRunning is an accurate gauge of whether the LM should run. On
HDFS it's not the case anymore since in standby mode, the LM doesn't run, even
though the FSN is "running". I'll check this into the HA branch, thanks!
> HA: NN fails to start since it tries to start secret manager in safemode
> ------------------------------------------------------------------------
>
> Key: HDFS-2577
> URL: https://issues.apache.org/jira/browse/HDFS-2577
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hdfs-2577.txt
>
>
> After HDFS-2301, the NN fails to start with the following:
> Caused by: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot
> log master key update in safe mode. Name node is in safe mode.
> The reported blocks 0 needs additional 5 blocks to reach the threshold 1.0000
> of total blocks 4. Safe mode will be turned off automatically.
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.logUpdateMasterKey(FSNamesystem.java:4259)
> at
> org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager.logUpdateMasterKey(DelegationTokenSecretManager.java:285)
> at
> org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.updateCurrentKey(AbstractDelegationTokenSecretManager.java:143)
> at
> org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.startThreads(AbstractDelegationTokenSecretManager.java:98)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startSecretManager(FSNamesystem.java:386)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startActiveServices(FSNamesystem.java:440)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.startActiveServices(NameNode.java:937)
> at
> org.apache.hadoop.hdfs.server.namenode.ha.ActiveState.enterState(ActiveState.java:57)
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