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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6708) StorageType should be encoded in the block token
Date Wed, 23 Jul 2014 02:09:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14071267#comment-14071267
] 

Tsz Wo Nicholas Sze commented on HDFS-6708:
-------------------------------------------

We indeed already have a subtask HDFS-5391 for changing writeBlock and block token, i.e. 
HDFS-6702 + HDFS-6708 (this JIRA).  Let me resolve HDFS-5391 as duplicated and move this as
a subtask of HDFS-5682.

> StorageType should be encoded in the block token
> ------------------------------------------------
>
>                 Key: HDFS-6708
>                 URL: https://issues.apache.org/jira/browse/HDFS-6708
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode, namenode
>    Affects Versions: 2.4.1
>            Reporter: Arpit Agarwal
>
> HDFS-6702 is adding support for file creation based on StorageType.
> The block token is used as a tamper-proof channel for communicating block parameters
from the NN to the DN during block creation. The StorageType should be included in this block
token.



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