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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2797) Withdraw CRC upgrade from HDFS
Date Tue, 29 Apr 2008 15:03:56 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nigel Daley updated HADOOP-2797:
--------------------------------

    Description: HDFS will no longer support upgrades from versions without CRCs for block
data. Users upgrading from version 0.13 or earlier must first upgrade to an intermediate (0.14,
0.15, 0.16, 0.17) version before upgrade to 0.18 or later.  (was: HDFS will no longer support
upgrades from versions without CRCs for block data. Users upgrading from version 0.13 or earlier
must first upgrade to an intermediate (0.14, 0.15, 0.16) version before upgrade to 0.17 or
later.)

> Withdraw CRC upgrade from HDFS
> ------------------------------
>
>                 Key: HADOOP-2797
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2797
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: dfs
>    Affects Versions: 0.13.0
>            Reporter: Robert Chansler
>            Assignee: Raghu Angadi
>            Priority: Critical
>         Attachments: HADOOP-2797.patch, HADOOP-2797.patch, HADOOP-2797.patch
>
>
> HDFS will no longer support upgrades from versions without CRCs for block data. Users
upgrading from version 0.13 or earlier must first upgrade to an intermediate (0.14, 0.15,
0.16, 0.17) version before upgrade to 0.18 or later.

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