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https://issues.apache.org/jira/browse/HDFS-9289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14976815#comment-14976815
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Chang Li commented on HDFS-9289:
--------------------------------
[~zhz], I don't have the log show the file was completed with an old GS. But by
look up the block from jsp page right now, I can see that the block
blk_3773617405 currently has replica on host ***657n26.***.com,
***656n04.***.com, and ***656n38.***.com,
by going to those datanode, I see the replica on those datanodes have replica
with old genstamp.
{code}
bash-4.1$ hostname
***657n26.***.com
bash-4.1$ ls -l
/grid/2/hadoop/var/hdfs/data/current/BP-1052427332-98.138.108.146-1350583571998/current/finalized/subdir236/subdir212/blk_3773617405*
-rw-r--r-- 1 hdfs users 107761275 Oct 23 18:00
/grid/2/hadoop/var/hdfs/data/current/BP-1052427332-98.138.108.146-1350583571998/current/finalized/subdir236/subdir212/blk_3773617405
-rw-r--r-- 1 hdfs users 841895 Oct 23 18:00
/grid/2/hadoop/var/hdfs/data/current/BP-1052427332-98.138.108.146-1350583571998/current/finalized/subdir236/subdir212/blk_3773617405_1106111498065.meta
bash-4.1$ hostname
***656n04.***.com
bash-4.1$ ls -l
/grid/1/hadoop/var/hdfs/data/current/BP-1052427332-98.138.108.146-1350583571998/current/finalized/subdir236/subdir212/blk_3773617405*
-rw-r--r-- 1 hdfs users 107761275 Oct 21 19:14
/grid/1/hadoop/var/hdfs/data/current/BP-1052427332-98.138.108.146-1350583571998/current/finalized/subdir236/subdir212/blk_3773617405
-rw-r--r-- 1 hdfs users 841895 Oct 21 19:14
/grid/1/hadoop/var/hdfs/data/current/BP-1052427332-98.138.108.146-1350583571998/current/finalized/subdir236/subdir212/blk_3773617405_1106111498065.meta
bash-4.1$ hostname
***656n38.***.com
bash-4.1$ ls -l
/grid/3/hadoop/var/hdfs/data/current/BP-1052427332-98.138.108.146-1350583571998/current/finalized/subdir236/subdir212/blk_3773617405*
-rw-r--r-- 1 hdfs users 107761275 Oct 23 09:14
/grid/3/hadoop/var/hdfs/data/current/BP-1052427332-98.138.108.146-1350583571998/current/finalized/subdir236/subdir212/blk_3773617405
-rw-r--r-- 1 hdfs users 841895 Oct 23 09:14
/grid/3/hadoop/var/hdfs/data/current/BP-1052427332-98.138.108.146-1350583571998/current/finalized/subdir236/subdir212/blk_3773617405_1106111498065.meta
{code}
> check genStamp when complete file
> ---------------------------------
>
> Key: HDFS-9289
> URL: https://issues.apache.org/jira/browse/HDFS-9289
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Chang Li
> Assignee: Chang Li
> Priority: Critical
> Attachments: HDFS-9289.1.patch, HDFS-9289.2.patch
>
>
> we have seen a case of corrupt block which is caused by file complete after a
> pipelineUpdate, but the file complete with the old block genStamp. This
> caused the replicas of two datanodes in updated pipeline to be viewed as
> corrupte. Propose to check genstamp when commit block
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