Rural: Take a look at: http://hbase.apache.org/book.html#decommission
especially 15.3.1.1 On Wed, Apr 9, 2014 at 8:28 AM, Jean-Marc Spaggiari <[email protected] > wrote: > Hum. > > Disable load balancer, and move all the regions manually to other hosts > using the shell? Then hard restart it? > > JM > > > 2014-04-09 10:26 GMT-04:00 Rural Hunter <[email protected]>: > > > Actually I have to do a hard reboot. Let me provide more info about the > > problem: Except the ssh service(ssh error is: > ssh_exchange_identification: > > Connection closed by remote host) and local login problem, other services > > are running fine on the server(including http/ftp/hbase/hadoop etc). > > > > 于 2014/4/9 22:14, Rural Hunter 写道: > > > > Thanks. What if I'm not able to login the region server(both ssh and > >> local)? I have to reboot and check the server because of this serious > >> problem. > >> > >> 于 2014/4/9 22:01, Ted Yu 写道: > >> > >>> You can use bin/graceful_stop.sh to stop the region server process. > >>> > >>> # Move regions off a server then stop it. Optionally restart and > reload. > >>> # Turn off the balancer before running this script. > >>> > >>> After that, you can stop hadoop (datanode, etc) > >>> > >>> > >>> > >> > > >
