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https://issues.apache.org/jira/browse/HDFS-14993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16977267#comment-16977267
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Ayush Saxena commented on HDFS-14993:
-------------------------------------
Thanx [~hadoop_yangyun] for the report, added you as HDFS Contributor, Assigned
the ticket and submitted patch to trigger Jenkins!!!
> checkDiskError doesn't work during datanode startup
> ---------------------------------------------------
>
> Key: HDFS-14993
> URL: https://issues.apache.org/jira/browse/HDFS-14993
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Reporter: Yang Yun
> Assignee: Yang Yun
> Priority: Major
> Attachments: HDFS-14993.patch
>
>
> the function checkDiskError() is called before addBlockPool, but list
> bpSlices is empty this time. So the function check() in FsVolumeImpl.java
> does nothing.
> @Override
> public VolumeCheckResult check(VolumeCheckContext ignored)
> throws DiskErrorException {
> // TODO:FEDERATION valid synchronization
> for (BlockPoolSlice s : bpSlices.values()) {
> s.checkDirs();
> }
> return VolumeCheckResult.HEALTHY;
> }
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