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From "Khai Cher LIM (NYP)" <LIM_Khai_C...@nyp.edu.sg>
Subject HDFS-RAID issues (no filtered paths; no paths to raid)
Date Mon, 18 Nov 2013 06:07:36 GMT
Dear all,

I am trying out HDFS-RAID for the first time. I am using hadoop-0.21.0-raid.jar and running
on hadoop 0.23.9 . I've configured my hdfs-site.xml according to the HDFS-RAID wiki page without
any additional (optional) configurations. When I run up the raid node, it gave the following
log messages. I do not know if raid is performed as I do not see any parity files  created.
I am using a simple wordcount folder with text files to try it out.

2013-11-18 13:22:49,064 INFO org.apache.hadoop.raid.RaidNode: Started archive scan
2013-11-18 13:22:49,244 INFO org.apache.hadoop.raid.RaidNode: Triggering Policy Filter hduser
hdfs://MyNameNode:9000/user/hduser/wordcount
2013-11-18 13:22:49,262 INFO org.apache.hadoop.raid.RaidNode: No filtered paths for policy
hduser
2013-11-18 13:22:49,262 INFO org.apache.hadoop.raid.DistRaid: DistRaid has no paths to raid.

Any help is much appreciated. Thank you.

Best regards,

Lim Khai Cher



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