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Date: Mon, 14 Nov 2016 18:29:59 +0000 (UTC)
From: "Chen Liang (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.13020174.1478891017000.271770.1479148199332@Atlassian.JIRA>
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References: <JIRA.13020174.1478891017000@Atlassian.JIRA> <JIRA.13020174.1478891017345@arcas>
Subject: [jira] [Updated] (HDFS-11130) Block Storage : add storage client to
 server protocol
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archived-at: Mon, 14 Nov 2016 18:30:01 -0000


     [ https://issues.apache.org/jira/browse/HDFS-11130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chen Liang updated HDFS-11130:
------------------------------
    Attachment: HDFS-11130-HDFS-7240.002.patch

Thanks [~anu] for the comments! uploaded v002 patch to fix it.

> Block Storage : add storage client to server protocol
> -----------------------------------------------------
>
>                 Key: HDFS-11130
>                 URL: https://issues.apache.org/jira/browse/HDFS-11130
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs
>            Reporter: Chen Liang
>            Assignee: Chen Liang
>         Attachments: HDFS-11130-HDFS-7240.001.patch, HDFS-11130-HDFS-7240.002.patch
>
>
> This JIRA adds the protocol between block storage client side and server side. For now, the only operation is mount volume. More specifically, when user mount a volume on client side, client checks with server to verify whether it is a valid volume to mount. On valid mount request, server will also piggyback meta information about the volume back to client. 
> Note that the actual read/write on the volume will never go through server, as long as volume is mounted on client, it is all client's job to communicate with the underly storage layer (SCM in this case)


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