Take a look at drbd and heatbeat for this. Best regards, Gabriel Rosca www.genxvoip.com 2009/8/1 fabian <fabian at baladia.gov.kw> > Dear All, > > I have the following setup which is the heart of our organistion and runs > the following for a long time > > Centos 5.0 server which is used as a > > Primary Mailserver running sendmail about 400 users > mailScanner > Primary DNS server using bind > Webserver running apache > squirrel mail web server > > i also do have a another centos secondary DNS server and same machine used > as my secondary mail server with no mail users > > Currently i have been following a little crude way of backup > i shut down the Primary machine and I use clone Gozilla to make a > duplicate of the original disk and keep it standby > > i do it weekly basis which is really a crude way > > i am jus googling arround for a solution in where i could have online > mirroring of another machine > > i could have an identical hardware machine which could be running online > so if the first machine fails the second one is avaliable instantly > > also if i create a new user or a new mail user ther user is replicated on > both machine > > if i upgraded or install any software on one machine it is replicated on > the other automaticalu.. > so we have total redundancy > > can it be done > > i was googling arround and actually found linux heartbeat but could not > really get the hang of it. > to my understanding heartbeat works on service which one would like to > mirror but for me i would like disk mirroring on different servers > > any body has done the above > apprecite your advice and help > > > regards > > fabian > > > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20090801/ba8d6725/attachment-0005.html>