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From "Takanobu Asanuma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11124) Report blockIds of internal blocks for EC files in Fsck
Date Thu, 10 Nov 2016 11:10:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15653783#comment-15653783
] 

Takanobu Asanuma commented on HDFS-11124:
-----------------------------------------

This is an example. In addition, we can see that {{blk_-9223372036854775789}} is a missing
block.
{noformat}
0. BP-56609271-172.16.165.209-1478775884750:blk_-9223372036854775792_1001 len=393216 Live_repl=5
 [
blk_-9223372036854775792:DatanodeInfoWithStorage[127.0.0.1:53053,DS-2b4f0c80-d1a8-41d3-b5bc-482c171a0f06,DISK](CORRUPT),
blk_-9223372036854775791:DatanodeInfoWithStorage[127.0.0.1:53032,DS-09017a69-b6d8-4a46-bf9e-79940f35c88b,DISK](CORRUPT),
blk_-9223372036854775790:DatanodeInfoWithStorage[127.0.0.1:53024,DS-51b8a8df-787c-4bd5-be24-dbcd155c8eb8,DISK](CORRUPT),
blk_-9223372036854775788:DatanodeInfoWithStorage[127.0.0.1:53041,DS-a28f1ace-9347-4b18-a7dc-2bae94178160,DISK](LIVE),
blk_-9223372036854775787:DatanodeInfoWithStorage[127.0.0.1:53057,DS-e615dbbe-2d53-4735-b987-904f972e0266,DISK](LIVE),
blk_-9223372036854775786:DatanodeInfoWithStorage[127.0.0.1:53045,DS-3e8a57cf-1af6-4383-8c8a-e35a5e0b2fb3,DISK](LIVE),
blk_-9223372036854775785:DatanodeInfoWithStorage[127.0.0.1:53049,DS-b2bcecd1-9887-418d-9ca7-c36a4264f482,DISK](LIVE),
blk_-9223372036854775784:DatanodeInfoWithStorage[127.0.0.1:53037,DS-e4ae2d73-c70b-49a5-b1e0-800dfa66b836,DISK](LIVE)]
{noformat}

> Report blockIds of internal blocks for EC files in Fsck
> -------------------------------------------------------
>
>                 Key: HDFS-11124
>                 URL: https://issues.apache.org/jira/browse/HDFS-11124
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: erasure-coding
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Takanobu Asanuma
>            Assignee: Takanobu Asanuma
>             Fix For: 3.0.0-alpha2
>
>         Attachments: HDFS-11124.1.patch
>
>
> At moment, when we do fsck for an EC file which has corrupt blocks and missing blocks,
the result of fsck is like this:
> {quote}
> /data/striped 393216 bytes, erasure-coded: policy=RS-DEFAULT-6-3-64k, 1 block(s): 
> /data/striped: CORRUPT blockpool BP-1204772930-172.16.165.209-1478761131832 block blk_-9223372036854775792
>  CORRUPT 1 blocks of total size 393216 B
> 0. BP-1204772930-172.16.165.209-1478761131832:blk_-9223372036854775792_1001 len=393216
Live_repl=4  [DatanodeInfoWithStorage[127.0.0.1:61617,DS-bcfebe1f-ff54-4d57-9258-ff5bdfde01b5,DISK](CORRUPT),
DatanodeInfoWithStorage[127.0.0.1:61601,DS-9abf64d0-bb6b-434c-8c5e-de8e3b278f91,DISK](CORRUPT),
DatanodeInfoWithStorage[127.0.0.1:61596,DS-62698e61-c13f-44f2-9da5-614945960221,DISK](CORRUPT),
DatanodeInfoWithStorage[127.0.0.1:61605,DS-bbce6708-16fe-44ca-9f1c-506cf00f7e0d,DISK](LIVE),
DatanodeInfoWithStorage[127.0.0.1:61592,DS-9cdd4afd-2dc8-40da-8805-09712e2afcc4,DISK](LIVE),
DatanodeInfoWithStorage[127.0.0.1:61621,DS-f2a72d28-c880-4ffe-a70f-0f403e374504,DISK](LIVE),
DatanodeInfoWithStorage[127.0.0.1:61629,DS-fa6ac558-2c38-41fe-9ef8-222b3f6b2b3c,DISK](LIVE)]
> {quote}
> It would be useful for admins if it reports the blockIds of the internal blocks.



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