yes, you can rebalance them. try hdfs rebalance. Or, you can first increment the replica by 1, then decrement by 1.
Best Regards 金杰 (Jay Jin) On Thu, Nov 7, 2013 at 8:34 AM, ch huang <[email protected]> wrote: > hi,all: > i have a DN,and i mount the two disk ,one disk for > /data/dataspace/1, and one disk for /data/dataspace/2, > the two disk is almost full, so i add a new disk,and modify the config > file,now > disk3 mount on /data/dataspace/3 , is it possible even distribution of > data on the three disks? >
