How can i disk re-balancing of datanode??? Why does generate openforwrite file? How do I handle openforwrite file? Hadoop 1.1.2 *** Datanode disk usage Use% Mounted on 100% /data01 100% /data02 100% /data03 100% /data04 100% /data05 100% /data06 20% /data07 *** datanode error log org.apache.hadoop.util.DiskChecker$DiskOutOfSpaceException: No space left on device *** my upload process success case : upload, /hdfs/20140826/13886942.0, replication(1) >>> upload completed >>> set replication ( 2 ) fail case : upload, /hdfs/20140826/13886942.0, replication(1) >>> "No space.." exception >>> upload stop >>> set replication ( 2 ) *** fail case bin/hadoop fsck /hdfs/20140826/13886942.0 -files -blocks -locations -openforwrite /hdfs/20140826/13886942.0 805306368 bytes, 6 block(s), OPENFORWRITE: Under replicated blk_8476382876550200462_13950495. Target Replicas is 2 but found 1 replica(s). Under replicated blk_-5612270950888918170_13950498. Target Replicas is 2 but found 1 replica(s). Under replicated blk_5224343373334553723_13950499. Target Replicas is 2 but found 1 replica(s). Under replicated blk_-8429720977390588895_13950501. Target Replicas is 2 but found 1 replica(s). Under replicated blk_5229465734903912554_13950502. Target Replicas is 2 but found 1 replica(s). Under replicated blk_4974206501850413571_13950502. Target Replicas is 2 but found 1 replica(s). 0. blk_8476382876550200462_13950495 len=134217728 repl=1 [192.168.10.68:40010] 1. blk_-5612270950888918170_13950498 len=134217728 repl=1 [192.168.10.68:40010] 2. blk_5224343373334553723_13950499 len=134217728 repl=1 [192.168.10.68:40010] 3. blk_-8429720977390588895_13950501 len=134217728 repl=1 [192.168.10.68:40010] 4. blk_5229465734903912554_13950502 len=134217728 repl=1 [192.168.10.68:40010] 5. blk_4974206501850413571_13950502 len=134217728 repl=1 [192.168.10.68:40010]
