[Linux-HA] (no subject)

[David Hostetler]

Thank you I appreciate your time. 


Dave Hostetler
Systems Administrator
O: 630-353-1170
M: 630-386-5375
dhostetler at medstrat.com
 
MEDSTRAT, INC.
http://www.medstrat.com/

-----Original Message-----
From: linux-ha-bounces at lists.linux-ha.org
[mailto:linux-ha-bounces at lists.linux-ha.org] On Behalf Of Dejan
Muhamedagic
Sent: Friday, December 14, 2007 5:39 AM
To: General Linux-HA mailing list
Subject: Re: [Linux-HA] (no subject)

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.

Thanks,

Dejan

> Any help is appreciated.
> 	 
>  
> 
> DAVE HOSTETLER
> Systems Administrator
> dhostetler at medstrat.com
> O: 630.353.1170
> F: 630.960.9787
> 
> MEDSTRAT, INC.
> 1901 Butterfield Rd STE 600
> Downers Grove, IL 60515	
> 
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--
Dejan
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