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From "Tianying Chang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10111) Verify that a snapshot is not corrupted before restoring it
Date Sat, 26 Apr 2014 19:05:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13982074#comment-13982074
] 

Tianying Chang commented on HBASE-10111:
----------------------------------------

patch to 94.15 does not work directly with 94.7. I changed a little bit, and it works for
94.7. Thanks

> Verify that a snapshot is not corrupted before restoring it
> -----------------------------------------------------------
>
>                 Key: HBASE-10111
>                 URL: https://issues.apache.org/jira/browse/HBASE-10111
>             Project: HBase
>          Issue Type: Bug
>          Components: snapshots
>    Affects Versions: 0.98.0, 0.96.0, 0.94.14
>            Reporter: Matteo Bertozzi
>            Assignee: Matteo Bertozzi
>            Priority: Minor
>             Fix For: 0.98.0, 0.96.1, 0.94.15
>
>         Attachments: HBASE-10111-v0.patch, HBASE-10111-v1.patch
>
>
> To avoid assigning/opening regions with missing files, verify that the snapshot is not
corrupted before restoring/cloning it.
> In 96 a corrupted file in a region is "not a problem" since the assignment will give
up after awhile.
> In 94 having a corrupted file in a region means looping forever, on "enable",  until
manual intervention. (Easy way to test this is create a table, disable it, add a corrupted
reference file and enable the table to start looping: you can use echo "foo" > aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)



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