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From "liang xie (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4120) Add a new "-skipSharedEditsCheck" option for BootstrapStandby
Date Sat, 27 Oct 2012 09:25:12 GMT
liang xie created HDFS-4120:
-------------------------------

             Summary: Add a new "-skipSharedEditsCheck" option for BootstrapStandby
                 Key: HDFS-4120
                 URL: https://issues.apache.org/jira/browse/HDFS-4120
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: ha, name-node
    Affects Versions: 2.0.2-alpha, 3.0.0
            Reporter: liang xie
            Assignee: liang xie
            Priority: Minor


Per https://issues.apache.org/jira/browse/HDFS-3752?focusedCommentId=13449466&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13449466
, let's introduce a new option, it should be very safe, but really useful for some corner
case.  e.g. when SNN losts local storage, we need to reset SNN, but in current trunk, it'll
always get a FATAL msg and could never be successful.     Another workaroud for this case,
is full-sync the "current" directory from ANN, but it'll be cost more disk-space & net
bandwidth, IMHO.

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