Re: ERROR 1066: Unable to open iterator for alias A. Backend error : Could not obtain block:

2011-10-10 Thread Uma Maheswara Rao G 72686
Hello Kiran, Can you check that block presents in DN and check the generation timestamp in metafile(if you are aware of it)? Can you grep the blk_-8354424441116992221 from your logs and paste here? We have seen this when recovery is in progress and read parallelly(in 0.20x versions). If

ERROR 1066: Unable to open iterator for alias A. Backend error : Could not obtain block:

2011-10-07 Thread kiranprasad
Hi I ve checked with below mentioned command and I am getting [kiranprasad.g@pig4 hadoop-0.20.2]$ bin/hadoop fs -text /data/arpumsisdn.txt | tail 11/10/07 16:17:18 INFO hdfs.DFSClient: No node available for block: blk_-8354424441116992221_1060 file=/data/arpumsisdn.txt 11/10/07 16:17:18