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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-2114) Checksums for Namenode image files
Date Sat, 27 Oct 2007 19:41:51 GMT
Checksums for Namenode image files

                 Key: HADOOP-2114
                 URL: https://issues.apache.org/jira/browse/HADOOP-2114
             Project: Hadoop
          Issue Type: Improvement
            Reporter: Raghu Angadi

Currently DFS can write multiple copies of image files but we do not automatically recover
from corrupted or truncated image files well. This jira intends to keep CRC for image file
records and Namenode should recover accurate image as long as data exists in one of the copies
(e.g. it should be ok to have non overlapping corruptions in the copies). Will add more details
in next comment.

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