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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3926) QJM: Add user documentation for QJM
Date Wed, 12 Sep 2012 05:50:10 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron T. Myers updated HDFS-3926:
---------------------------------

    Attachment: regular-ha-doc.diff
                qjm-ha-doc.diff
                HDFS-3926.patch

Here's a patch which addresses the issue. This change forks the existing HA documentation
into an NFS guide and a QJM guide. In doing so, it renames the regular guide to make it clear
that it is for NFS. This change also takes the liberty of documenting the 'bootstrapStandby'
and 'initializeSharedEdits" commands. 

To ease review, I'm also attaching a small diff of the changes to the NFS HA doc (since the
file was renamed), and a diff of the QJM HA doc against the previous HA doc, to make it clear
what changes were required to make the doc QJM-specific.
                
> QJM: Add user documentation for QJM
> -----------------------------------
>
>                 Key: HDFS-3926
>                 URL: https://issues.apache.org/jira/browse/HDFS-3926
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: documentation
>    Affects Versions: QuorumJournalManager (HDFS-3077)
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: HDFS-3926.patch, qjm-ha-doc.diff, regular-ha-doc.diff
>
>
> We should add user-facing documentation for how to configure/use the QJM.

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