"Ben M. Wall" wrote:
>
please turn line wrap on. Your paratgraphs are on one line that goes off the
edge of my page
> I am not trying to loadbalance across the databases.
I was just making sure.
> I just want failover from one database to the other if the first database
> fails. My databases (MySQL) are set up to replicate one another so that in
> the failover situation the backup database will be mostly up to date.
> Well, that makes me feel better, for a moment there I though that I was the
> only one who found this confusing! :)
actually it's much worse than you think. Very few people understant it all
(including me) :-)
> The databases are accessed only by the webservers. Again I dont think I
> need to figure that one out. I only need to write to one database and the
> others replicate that information.
again was just checking
> Wow I have been using 2.4 kernels for a while now, its a wonder that I never
> ran into this before.
> So it seems like this is really a firewalling issue. It seems to me like I
> would want to be able to use netfilter for each virtual server seperately,
> and not just for the whole machine.
hmm, read
http://www.linuxvirtualserver.org/Joseph.Mack/HOWTO/LVS-HOWTO.patches.html#firewall_on_director
> Is iproute2 as easy to set up as the eth0:185 syntax?
no it's a nightmare, which is why people are still using the alias style of
setting up IPs
http://www.linuxvirtualserver.org/Joseph.Mack/HOWTO/LVS-HOWTO.policy_routing.html
Joe
--
Joseph Mack PhD, High Performance Computing & Scientific Visualization
SAIC, Supporting the EPA Research Triangle Park, NC 919-541-0007
Federal Contact - John B. Smith 919-541-1087 - smith.johnb@xxxxxxx
|