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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6041) Downgrade/Finalize should rename the rollback image instead of purging it
Date Mon, 03 Mar 2014 22:47:21 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jing Zhao updated HDFS-6041:
----------------------------

    Attachment: HDFS-6041.000.patch

> Downgrade/Finalize should rename the rollback image instead of purging it
> -------------------------------------------------------------------------
>
>                 Key: HDFS-6041
>                 URL: https://issues.apache.org/jira/browse/HDFS-6041
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, ha, hdfs-client, namenode
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: HDFS-6041.000.patch
>
>
> After we do rollingupgrade downgrade/finalize, instead of purging the rollback image,
we'd better rename it back to normal image, since the rollback image can be the most recent
checkpoint.



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