Thanks for you help Samuel. I was having problem in both writing and reading. Did run the fsck and removed some damaged files and restarted the dfs. Seems to be OK now. Not exactly sure what happened though.
Thanks, Htin -----Original Message----- From: Samuel Guo [mailto:[EMAIL PROTECTED] Sent: Thursday, October 09, 2008 6:15 PM To: [email protected] Subject: Re: HDFS error Does this happen when you want to write some files to HDFS? if it is so, plz check that you have enough space in the disks of your datanode. if this happened when you want to read some files in HDFS, maybe you can run fsck to check if the file is healthy. hope it will be helpful. On Fri, Oct 10, 2008 at 8:21 AM, Htin Hlaing <[EMAIL PROTECTED]> wrote: > Hello - I am experiencing the following HDFS problem across the clusters > sharing the DFS. It's not specific to this particular data node ip > address but the exception is across all other data nodes as well. Any > help is appreciated. > > 2008-10-09 14:13:59,732 INFO org.apache.hadoop.fs.DFSClient: Exception in > createBlockOutputStream java.io.IOException: Bad connect ack with > firstBadLink 10.50.80.108:50010 > 2008-10-09 14:13:59,732 INFO org.apache.hadoop.fs.DFSClient: Abandoning > block blk_2383100013215057496 > 2008-10-09 14:13:59,732 INFO org.apache.hadoop.fs.DFSClient: Waiting to > find target node: 10.50.80.112:50010 > 2008-10-09 14:14:16,604 INFO org.apache.hadoop.fs.DFSClient: Could not > obtain block blk_3359685166656187008 from any node: java.io.IOException: > No live nodes contain current block > 2008-10-09 14:14:54,370 INFO org.apache.hadoop.fs.DFSClient: Could not > obtain block blk_-4901580690304720524 from any node: java.io.IOException: > No live nodes contain current block > 2008-10-09 14:17:19,619 INFO org.apache.hadoop.fs.DFSClient: Could not > obtain block blk_3359685166656187008 from any node: java.io.IOException: > No live nodes contain current block > 2008-10-09 14:17:57,385 INFO org.apache.hadoop.fs.DFSClient: Could not > obtain block blk_-4901580690304720524 from any node: java.io.IOException: > No live nodes contain current block > 2008-10-09 14:20:25,634 INFO org.apache.hadoop.fs.DFSClient: Could not > obtain block blk_3359685166656187008 from any node: java.io.IOException: > No live nodes contain current block > 2008-10-09 14:21:09,401 INFO org.apache.hadoop.fs.DFSClient: Could not > obtain block blk_-4901580690304720524 from any node: java.io.IOException: > No live nodes contain current block > 2008-10-09 14:23:28,649 INFO org.apache.hadoop.fs.DFSClient: Could not > obtain block blk_3359685166656187008 from any node: java.io.IOException: > No live nodes contain current block > > Is there a knowledge base that I can search in the old posts to the > mailing list? > > Thanks, > Htin >
