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https://issues.apache.org/jira/browse/HDFS-11625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15956910#comment-15956910
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Tsz Wo Nicholas Sze commented on HDFS-11625:
--------------------------------------------
+1 the 003 patch looks good.
> Ozone: Fix UT failures that caused by hard coded datanode data dirs
> -------------------------------------------------------------------
>
> Key: HDFS-11625
> URL: https://issues.apache.org/jira/browse/HDFS-11625
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone, test
> Affects Versions: HDFS-7240
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Attachments: HDFS-11625-HDFS-7240.001.patch,
> HDFS-11625-HDFS-7240.002.patch, HDFS-11625-HDFS-7240.003.patch
>
>
> There seems to be some UT regressions after HDFS-11519, such as
> * TestDataNodeVolumeFailureToleration
> * TestDataNodeVolumeFailureReporting
> * TestDiskBalancerCommand
> * TestBlockStatsMXBean
> * TestDataNodeVolumeMetrics
> * TestDFSAdmin
> * TestDataNodeHotSwapVolumes
> * TestDataNodeVolumeFailure
> these tests set up datanode data dir by some hard coded names, such as
> {code}
> new File(cluster.getDataDirectory(), "data1");
> {code}
> this no longer works since HDFS-11519 changes the pattern from
> {code}
> /data/data<2*dnIndex + 1>
> /data/data<2*dnIndex + 2>
> ...
> {code}
> to
> {code}
> /data/dn0_data0
> /data/dn0_data1
> /data/dn1_data0
> /data/dn1_data1
> ...
> {code}
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