> -----Original Message----- > From: Jason 'XenoPhage' Frisvold [mailto:[EMAIL PROTECTED] > Sent: Thursday, December 23, 2004 8:32 AM > To: toaster@shupp.org > Subject: Re: [toaster] Qmail Cluster > > Andy Abshagen wrote: > > >Bill and others, > > > >Question on the Cluster design. We are looking for > something very similar > >to this however we are wanting to put the mx servers at > different physical > >locations. This causes some big questions as far as the > ability to send nfs > >traffic across the net. Not sure it is a wise idea at all > however for > >security the traffic would be going across a vpn tunnel from > site a to site > >b. I guess to go along with that would it be better to just > have a relay > >sitting at the second site that doesn't do a mail delivery > at all just holds > >mail with smtproutes to the main cluster/server at the main > site? That > >would bring along its own set of problems in the fact that > we want the > >chkuser functionality in place so that we don't have the thousands of > >doublebounces every day. > > > > > Why a separate site? I understand you want redundancy, but > this method > still has a single point of failure in the NFS server...
A separate site for cases when the primary site is not available at all. No matter how redundant you make a facility there are still chances that it can go totally dark. Because of our services we already have multiple sites. Also with our client base they do not want a down time at all. > > >Any thoughts? > > > >Andy > > > > > > > > > -- > --------------------------- > Jason 'XenoPhage' Frisvold > Engine / Technology Programmer > [EMAIL PROTECTED] > RedHat Certified - RHCE # 803004140609871 > MySQL Pro Certified - ID# 207171862 > MySQL Core Certified - ID# 205982910 > --------------------------- > "Something mysterious is formed, born in the silent void. > Waiting alone and unmoving, it is at once still and yet in > constant motion. It is the source of all programs. I do not > know its name, so I will call it the Tao of Programming." >
