[Linux-cluster] Startup and Shutdown of a Virtual/Physical cluster

Paolo Marini paolom at prisma-eng.it
Thu Jan 24 16:13:44 UTC 2008


This is already configured that way - is'nt there a quick way to 
shutdown the entire virtual/physical clusters at once ?

Lon H. Hohberger ha scritto:
> On Thu, 2008-01-24 at 11:36 +0100, Paolo Marini wrote:
>   
>> Thanks for the answer, I suspected that failover domains could do the
>> trick, I will try this solution.
>>
>> Anyway, shutdown is for me still unclear.
>>
>> starting up a cluster involves starting the cman daemon, clvmd, gfs,
>> mounting the gfs filesystems and starting rgmanager. Stopping cman does
>> not work on a cluster, because the other nodes still think that the
>> shutting down node is up, and they end fencing it if it is no more
>> responding. In fact, the shutdown procedures of a single node involves the
>> removeal of the node from both the fencing and cman agents (fence_tool
>> remove and cman_tool leave remove commands).
>>
>> So stopping the daemons is not enough. Beside this, the ordered shutdown
>> of a physical/virtual cluster requires the shutdown of the virtual first
>> then of the physical cluster.
>>     
>
> Also, chkconfig --del xendomains if you haven't already.  Otherwise,
> xendomains might start up domains you're trying to manage with rgmanager
> - not good!
>
> -- Lon
>
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