[Linux-HA] (no subject)

[Raoul Bhatia [IPAX]]

Dejan Muhamedagic wrote:
> Hi,
> 
> On Thu, Dec 13, 2007 at 01:33:20PM -0600, David Hostetler wrote:
>> I am looking to provide some failover for my machines, however in order
>> for everything to work correctly the hostname has to be the same on both
>> machines.  This is built into our software and cannot be changed without
>> some considerable cost.  My question is this:
>>
>> I'm going to have two machines clustered together via a crossover cable,
>> can I identify them only by their IP?  Will HA fail if the hostnames are
>> the same?   
> 
> That's probably a no go, i.e. heartbeat needs different
> hostnames.
> 
> Perhaps you could put your services in a chroot environment and
> set the hostname there dymanically before the service starts.
> Maybe you could even try to full heartbeat by setting the
> hostname after the heartbeat started, but I'm really not sure if
> that's going to work.

using a vserver/xen/openvz/etc. setup would possibly solve this issue

cheers,
raoul
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DI (FH) Raoul Bhatia M.Sc.          email.          r.bhatia at ipax.at
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