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https://issues.apache.org/jira/browse/HDFS-10826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takanobu Asanuma updated HDFS-10826:
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Issue Type: Sub-task (was: Bug)
Parent: HDFS-8031
> The result of fsck should be CRITICAL when there are unrecoverable ec block
> groups.
> -----------------------------------------------------------------------------------
>
> Key: HDFS-10826
> URL: https://issues.apache.org/jira/browse/HDFS-10826
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Takanobu Asanuma
> Assignee: Takanobu Asanuma
> Attachments: HDFS-10826.WIP.1.patch
>
>
> For RS-6-3, when there is one ec block group and
> 1) 0~3 of 9 internal blocks are missing, the result of fsck is HEALTY.
> 2) 4~8 of 9 internal blocks are missing, the result of fsck is HEALTY.
> {noformat}
> Erasure Coded Block Groups:
> Total size: 536870912 B
> Total files: 1
> Total block groups (validated): 1 (avg. block group size 536870912 B)
> ********************************
> UNRECOVERABLE BLOCK GROUPS: 1 (100.0 %)
> ********************************
> Minimally erasure-coded block groups: 0 (0.0 %)
> Over-erasure-coded block groups: 0 (0.0 %)
> Under-erasure-coded block groups: 1 (100.0 %)
> Unsatisfactory placement block groups: 0 (0.0 %)
> Default ecPolicy: RS-DEFAULT-6-3-64k
> Average block group size: 5.0
> Missing block groups: 0
> Corrupt block groups: 0
> Missing internal blocks: 4 (44.444443 %)
> FSCK ended at Wed Aug 31 13:42:05 JST 2016 in 4 milliseconds
> The filesystem under path '/' is HEALTHY
> {noformat}
> 3) 9 of 9 internal blocks are missing, the result of fsck is CRITICAL.
> (Because it is regarded as a missing block group.)
> In case 2), the result should be CRITICAL since the ec block group is
> unrecoverable.
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