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 <ruralhun...@gmail.com>: > 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) >>> >>> >>> >> >
