Shashikant Banerjee created HDFS-15563:
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Summary: getTrashRoot() location can be wrong when the
non-snapshottable directory contains the name of the snapshottable directory in
its name
Key: HDFS-15563
URL: https://issues.apache.org/jira/browse/HDFS-15563
Project: Hadoop HDFS
Issue Type: Sub-task
Components: snapshots
Affects Versions: 3.4.0
Reporter: Nilotpal Nandi
Fix For: 3.4.0
{code:java}
1. snapshottable directory present in the cluster
hdfs lsSnapshottableDir
drwx-x-x 0 hrt_2 hrt_2 0 2020-09-08 07:42 0 65536 /user/hrt_2
drwxr-xr-x 0 hrt_4 hrt_4 0 2020-09-08 13:16 0 65536 /user/hrt_4/newdir/subdir2.
Created a new directory outside snapshottable directory
hdfs dfs -mkdir /user/hrt_4/newdir/subdir23. Tried to delete subdir2 , it failed
hdfs dfs -rm -r /user/hrt_4/newdir/subdir2
rm: Failed to move to trash: hdfs://ns1/user/hrt_4/newdir/subdir2: Source
/user/hrt_4/newdir/subdir2 and dest
/user/hrt_4/newdir/subdir/.Trash/hdfs/Current/user/hrt_4/newdir/subdir2 are not
under the same snapshot root.
{code}
"*/user/hrt_4/newdir/subdir2*" , the trash root location is coming to be
"*/user/hrt_4/newdir/subdir/.Trash*"
as clear from the msg here:
{noformat}
rm: Failed to move to trash: hdfs://ns1/user/hrt_4/newdir/subdir2: Source
/user/hrt_4/newdir/subdir2 and dest
/user/hrt_4/newdir/subdir/.Trash/hdfs/Current/user/hrt_4/newdir/subdir2 are not
under the same snapshot root.{noformat}
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