[f-nsp] ServerIronXL 16 or 24 port questions..

[Michael Bellears]

Emilia Lambros wrote:
> Can't say I've ever configured it without SLBs at each site.
> We did it slightly differently to the way they did it in any case:
> 
> Primary site:
> 
> two ServerIrons doing the following:
> - regular load balancing for sub.domain.com.au across X web
> servers (just http) .. the virtual and real servers are all
> in the same subnet as the load balancer, so nothing fancy
> - running gslb protocol
> - virtual for DNS requests (the subdomain is actually
> delegated to the dns virtual server that's configured on both
> the SLBs)
> 
> 
> Secondary site
> 
> two serverirons doing the following:
> - regular load balancing for sub.domain.com.au across X web
> servers (just http) .. again, the virtual and real servers
> are all in the same subnet as the load balancer
> - running gslb protocol
> - virtual for DNS requests (as per any DNS, the subdomain is
> delegated to more than one name server - in this case those
> nameservers are SLBs. 
> 
> 
> As part of the GSLB config, the presence of every other load
> balancer is configured into every other load balancer.
> 
> e.g. at the primary site, we configured each location and
> what serverirons are located there.  Through GSLB, the load
> balancers discover what  virtual servers are on each and
> whether they're active or not based on whether any real
> servers bound to it are active.  We also set priorities in
> our case because we only want one of the IP addresses to be
> given to the client requesting the site.  All servers have to
> be failed at the primary site before the secondary site is
> given as a response to anyone doing even an nslookup on
> sub.domain.com.au. 

Ahh - This makes things much clearer! Ta!

> 
> Its a little difficult to understand without being able to
> sift through the config for yourself, but if I get a chance
> I'll "anonymous" it and add it for you to take a look at :)

That would be awesome Em - If it is too much of a hassle, even a look at
each sites config would be fantastic!( Obviously remove any passes etc!)

> 
> Em