Have you tried running fsck? fsck will tell you if you have corruption. <http://hadoop.apache.org/core/docs/r0.17.2/hdfs_user_guide.html#Fsck>
Alex On Wed, Dec 3, 2008 at 7:37 AM, Ryan LeCompte <[EMAIL PROTECTED]> wrote: > I've tried running the bin/hadoop balance command since I recently > added a new node to the Hadoop cluster. I noticed the following output > in the beginning: > > 08/12/03 10:26:35 INFO balancer.Balancer: Will move 10 GBbytes in this > iteration > Dec 3, 2008 10:26:35 AM 0 0 KB > 2.67 GB 10 GB > 08/12/03 10:26:36 WARN balancer.Balancer: Error moving block > -6653850537520285828 from 10.30.2.31:50010 to 10.30.2.23:50010 through > 10.30.2.31:50010: block move is failed > > However, subsequent iterations have succeeded. Is this harmless or is > there a possibility that data was corrupted during the re-balancing > attempt? > > Thanks, > Ryan >
