Re: hbase region server reboot steps

2014-04-11 Thread Rural Hunter
Yes, I've already stopped the balancer and manually moved the regions to other servers. Now I'm decommissioning the dfs data node on the server. After that I will reboot the server. 于 2014/4/9 22:28, Jean-Marc Spaggiari 写道: Hum. Disable load balancer, and move all the regions manually to

Re: hbase region server reboot steps

2014-04-09 Thread Jean-Marc Spaggiari
Hi Rural, Decomission the node, stop the processes, and reboot. You can look at the scripts in bin/ to help you with that. Like bin/graceful_stop.sh. JM 2014-04-09 9:57 GMT-04:00 Rural Hunter ruralhun...@gmail.com: Hi, I have one region server which needs to be rebooted for server

Re: hbase region server reboot steps

2014-04-09 Thread Ted Yu
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) On Wed, Apr 9, 2014 at 7:57 AM, Rural Hunter

Re: hbase region server reboot steps

2014-04-09 Thread Rural Hunter
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.

Re: hbase region server reboot steps

2014-04-09 Thread Rural Hunter
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

Re: hbase region server reboot steps

2014-04-09 Thread Jean-Marc Spaggiari
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

Re: hbase region server reboot steps

2014-04-09 Thread Ted Yu
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 jean-m...@spaggiari.org wrote: Hum. Disable load balancer, and move all the regions manually to other hosts using the shell? Then hard restart it?