[Linux-HA] Very simple question

[Alan Robertson]

Diego de Felice wrote:
> Ok, now it's clear. I asked this because from the first tests the
> whole system didn't work very well (a simple active/passive
> configuration with 2 nodes, node1 owns a resource but no VIP active,
> as soon as node2 is active node2 takes the resource and VIP is active,
> but when node2 goes down, node1 is always considered dead, and the
> cluster doesn't works very well :-) ), so before loosing the head I
> wanted to remove this doubt.
> 
> On 7/29/05, Alan Robertson <alanr at unix.sh> wrote:
>>Diego de Felice wrote:
>>>Excuse me for the very lame question, but I'm a newbie on Linux-HA.
>>>I've read on the mailing list archive that for normal functioning, HA
>>>requires two links between the machines. Is this true ? From
>>>documentation it's not clear.
>>This is recommended - it's standard operating procedure for HA systems.
>>  And, for use with ipfail, it's often mandatory - because it needs to
>>have a link that doesn't fail at the same time when a ping to an
>>important router etc. fails.

AND, if you're using shared storage configuring a STONITH plugin is 
mandatory.


-- 
     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