If the imbalance is across data nodes then you need to run the balancer. Sent from my iPad
On Jul 8, 2013, at 1:15 AM, Azuryy Yu <azury...@gmail.com> wrote: > Hi Dear all, > > There are some unbalanced data nodes in my cluster, some nodes reached more > than 95% disk usage. > > so Can I move some block data from one node to another node directly? > > such as: from n1 to n2: > > 1) scp /data/xxxx/blk_* n2:/data/subdir11/ > 2) rm -rf data/xxxx/blk_* > 3) hadoop-dameon.sh stop datanode (on n1) > 4) hadoop-damon.sh start datanode(on n1) > 5) hadoop-dameon.sh stop datanode (on n2) > 6) hadoop-damon.sh start datanode(on n2) > > Am I right? Thanks for any inputs.
