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From "Todd Lipcon (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2865) Standby namenode gets a "cannot lock storage" exception during startup
Date Thu, 09 Feb 2012 19:35:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204764#comment-13204764
] 

Todd Lipcon commented on HDFS-2865:
-----------------------------------

Hi Hari. I'd like to close this as invalid, since it seems like the two NNs were configured
with an overlapping image dir, which is not the correct configuration. Hence the "already
locked storage" error was correct behavior.
                
> Standby namenode gets a "cannot lock storage" exception during startup
> ----------------------------------------------------------------------
>
>                 Key: HDFS-2865
>                 URL: https://issues.apache.org/jira/browse/HDFS-2865
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, name-node
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Hari Mankude
>            Assignee: Hari Mankude
>
> Standby NN is restarted. This is a follow-on to hdfs-2863. In this setup, dfs.edits.dir
is different from dfs.shared.edits.dir. During startup, standby NN fails to acquire lock on
the dfs.edits.dir. If standby NN is restarted again, it seems to work fine.

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