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From SingoWong <singoch...@gmail.com>
Subject The Warning message in DFS home page about missing blocks, and cannot use the data
Date Fri, 24 Dec 2010 22:44:13 GMT
Hi,

In my DFS home page, display the message below
WARNING : There are about 7179 missing blocks. Please check the log or run
fsck.

who can tell me what this message and how to fix than? bcoz so far i cannt
get and analyse the file in hadoop.

And i check the log file,
2010-12-25 06:38:41,787 INFO
org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: Verification
succeeded for blk_6082125532449737116_6174
2010-12-25 06:39:13,788 INFO
org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: Verification
succeeded for blk_2326255566552911767_4485
2010-12-25 06:39:45,788 INFO
org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: Verification
succeeded for blk_-5212470058352205240_50675
2010-12-25 06:40:17,985 INFO
org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: Verification
succeeded for blk_7053283143490404909_46108
2010-12-25 06:40:49,986 INFO
org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: Verification
succeeded for blk_1148971771233953883_4046
2010-12-25 06:41:21,987 INFO
org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: Verification
succeeded for blk_7357967897891404229_50302
2010-12-25 06:41:22,434 INFO
org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: Verification
succeeded for blk_2780273733665219859_32726

But it is start up about 4 days, who can help me? what time should the
verification and how can i fix the warning for missing blocks?

Happy X'max & Regards,
Singo

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