[HDFS-13255] RBF: Fail when try to remove mount point paths

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.3.0, HDFS-13891
• Hadoop Flags: Reviewed
• Assignee: Akira Ajisaka
• Reporter: Wu Weiwei
• Created: 09/Mar/18 13:05
• Updated: 12/Sep/19 19:50
• Resolved: 28/May/19 20:03

Description

when delete a ns-fed path which include mount point paths, will issue a error.

Need to delete each mount point path independently.

Operation step:

[hadp@root]$ hdfs dfsrouteradmin -ls
Mount Table Entries:
Source Destinations Owner Group Mode Quota/Usage
/rm-test-all/rm-test-ns10 ns10->/rm-test hadp hadp rwxr-xr-x [NsQuota: -/-, SsQuota: -/-]
/rm-test-all/rm-test-ns2 ns1->/rm-test hadp hadp rwxr-xr-x [NsQuota: -/-, SsQuota: -/-]
[hadp@root]$ hdfs dfs -ls hdfs://ns-fed/rm-test-all/rm-test-ns10/
Found 2 items
-rw-r--r-- 3 hadp supergroup 3118 2018-03-07 21:52 hdfs://ns-fed/rm-test-all/rm-test-ns10/core-site.xml
-rw-r--r-- 3 hadp supergroup 7481 2018-03-07 21:52 hdfs://ns-fed/rm-test-all/rm-test-ns10/hdfs-site.xml
[hadp@root]$ hdfs dfs -ls hdfs://ns-fed/rm-test-all/rm-test-ns2/
Found 2 items
-rw-r--r-- 3 hadp supergroup 101 2018-03-07 16:57 hdfs://ns-fed/rm-test-all/rm-test-ns2/NOTICE.txt
-rw-r--r-- 3 hadp supergroup 1366 2018-03-07 16:57 hdfs://ns-fed/rm-test-all/rm-test-ns2/README.txt
[hadp@root]$ hdfs dfs -ls hdfs://ns-fed/rm-test-all/rm-test-ns10/
Found 2 items
-rw-r--r-- 3 hadp supergroup 3118 2018-03-07 21:52 hdfs://ns-fed/rm-test-all/rm-test-ns10/core-site.xml
-rw-r--r-- 3 hadp supergroup 7481 2018-03-07 21:52 hdfs://ns-fed/rm-test-all/rm-test-ns10/hdfs-site.xml
[hadp@root]$ hdfs dfs -rm -r hdfs://ns-fed/rm-test-all/
rm: Failed to move to trash: hdfs://ns-fed/rm-test-all. Consider using -skipTrash option
[hadp@root]$ hdfs dfs -rm -r -skipTrash hdfs://ns-fed/rm-test-all/
rm: `hdfs://ns-fed/rm-test-all': Input/output error