Hi.
When running balancer, I get some "WARN dfs.Balancer: Error moving block"
exceptions:
09/05/14 02:23:52 WARN dfs.Balancer: Error moving block 2821744845236432325
from 192.168.253.41:50010 to 192.168.253.20:50010 through
192.168.253.41:50010: Moving block 2821744845236432325 from
192.168.253.41:50010 to 192.168.253.20:50010 through 192.168.253.41:50010
failed
java.io.IOException: Moving block 2821744845236432325 from
192.168.253.41:50010 to 192.168.253.20:50010 through 192.168.253.41:50010
failed
at
org.apache.hadoop.dfs.Balancer$PendingBlockMove.receiveResponse(Balancer.java:366)
at
org.apache.hadoop.dfs.Balancer$PendingBlockMove.dispatch(Balancer.java:316)
at
org.apache.hadoop.dfs.Balancer$PendingBlockMove.access$1700(Balancer.java:224)
at
org.apache.hadoop.dfs.Balancer$PendingBlockMove$1.run(Balancer.java:388)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
FSCK reports that volume is health and doesn't show any errors.
Any idea why it happens?
Regards.
