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From "Colin Patrick McCabe (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3277) fail over to loading a different FSImage if the first one we try to load is corrupt
Date Fri, 13 Apr 2012 23:31:16 GMT
fail over to loading a different FSImage if the first one we try to load is corrupt
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                 Key: HDFS-3277
                 URL: https://issues.apache.org/jira/browse/HDFS-3277
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Colin Patrick McCabe
            Assignee: Colin Patrick McCabe


Most users store multiple copies of the FSImage in order to prevent catastrophic data loss
if a hard disk fails.  However, our image loading code is currently not set up to start reading
another FSImage if loading the first one does not succeed.  We should add this capability.

We should also be sure to remove the FSImage directory that failed from the list of FSImage
directories to write to, in the way we normally do when a write (as opopsed to read) fails.

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