[Linux-HA] newbie stontih quesiton

Alan Robertson alanr at unix.sh
Thu Oct 20 08:59:34 MDT 2005


Atif Sahin wrote:
> How a node knows it's sick. can Stonith daemon handle sickness condition? Which condition stonith daemon can handle? Can you explain please
> 
> ----- Orijinal mesaj -----
> Gönderen: Alan Robertson <alanr at unix.sh>
> Tarih: Salı, Ekim 18, 2005 11:08 pm
> Konu: Re: [Linux-HA] newbie stontih quesiton
> 
>>Atif Sahin wrote:
>>>We have two linux box . Each one has own san disk. Also 
>>heartbeat and
>>>mon runs on both. Mon monitors squid service. If squid service down
>>>mon alert runs.This alert is to take over IP. But in our 
>>situation If
>>>san disk becomes read only(san contoller problem)  This alert can't
>>>run.
>>>İn this situation we must reset the machine which has read only
>>>disk. Can we make this reset work with stonith(with external hp ilo
>>>script). Which condition can stonith handle(only network down)?
>>Well... If a node knows it's sick, then you can just "reboot -fn" -
>>
>>which will automatically cause a failover.


If you monitor the SAN to see if the disk isn't working properly (i.e., 
is read-only), then that sounds like a sick node to me.


-- 
     Alan Robertson <alanr at unix.sh>

"Openness is the foundation and preservative of friendship...  Let me 
claim from you at all times your undisguised opinions." - William 
Wilberforce



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