but how to slove? fsck only to show which paths are corrupt, but how can i fix or still the missing blocks?
Regards, Singo On Sat, Dec 25, 2010 at 6:49 AM, Ryan Rawson <[email protected]> wrote: > Missing blocks = missing datanodes (or datanode/data directory > corruption). You can run bin/hadoop fsck / to see what was affected. > > I generally run in to this when not all datanodes have joined the namenode. > > 'fsck' will show you which paths are "corrupt" (aka missing replicas). > > Good luck! > -ryan > > On Fri, Dec 24, 2010 at 2:44 PM, SingoWong <[email protected]> wrote: > > 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 > > >
