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From Ted Yu <yuzhih...@gmail.com>
Subject Re: hbase region server reboot steps
Date Wed, 09 Apr 2014 14:35:16 GMT
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-marc@spaggiari.org
> 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 <ruralhunter@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)
> >>>
> >>>
> >>>
> >>
> >
>

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