On Wed, 2007-05-30 at 17:18 -0400, Andrew Sullivan wrote:
> On Wed, May 30, 2007 at 04:42:08PM -0300, Fernando Ike de Oliveira wrote:
> > was 99,7% but considering the current necessities, change percentual
> > to 99,99%. I think in solution probability pgpool-2 or Heartbeat +
> > GFS. The PostgreSQL servers will be in different physical places.
> I would be very interested to see a set-up that can actually
> guarantee 99.99% uptime across a wide area link.
Sure it can be done. Get two SANs that support replication, redundant
high-speed WAN links, high end servers, large UPSs, and generators.
It is just extremely expensive. :)
--
Adam Tauno Williams, Network & Systems Administrator
Consultant - http://www.whitemiceconsulting.com
Developer - http://www.opengroupware.org
