> -----Original Message----- > From: fedora-list-bounces@xxxxxxxxxx > [mailto:fedora-list-bounces@xxxxxxxxxx] On Behalf Of rado > Sent: Sunday, May 15, 2005 9:45 AM > To: fedora > Subject: Re: Redundant Servers > > Hi! > > Whew, looks like you really went thru lots of trouble > preparing for the redundancy thang! > > kk...the tech we talking about here is HA(High Availibility) > google around for this. > > I recently put together 2 HA servers. It seems that you went > thru lots of pain and expense to put together 2 "twin" > hardware systems together which is really good but not > necessary IMHO. > > Bob Chiodini really got me started...He put together an HA > system at the space center bout 3 yrs ago and it's still > doing it's thing and He is actually my mentor w/this stuff. > > 1st off what are you really looking to do? are you looking to > help out your busy server and putting the same data on line > or are you just wanting to cover your servers hardware > failure possiblilities? > > I am set up to cover server failure NOT traffic problems. > Bob knows the traffic end w/his heartbeat software. > > To add this extra point of failure tho, there are also a > couple of different routes to take. > > Bob's route, is to have one box deemed as the master...the > master goes down ...the slave covers for it...the master > comes back...the slave relinquishes his serving duties and > the master takes over. > > my route, the first box up is the master...the next box up is > the slave...master goes down ...master duties now are the > (has been) slave. > the orig. slave is now the master... the other box comes > back...it's the slave. > > all the time...syncing duties are carried on both ways > depending on who has the freshest data > > hope this helps > > john rose > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list > > If you know of any good literature (online or not) concerning this subject I'd love to read it. Know of anything? -Mike
