Thread: High uptime website with 2 hosts
09-28-2009, 05:02 PM #1Newbie
- Join Date
- Oct 2003
High uptime website with 2 hosts
I hope this is the right forum for this topic...
I want to improve the uptime of my website; I´m using a few hosting accounts at different providers and so I was wondering if that can be used to minimize the downtime of the website;
my idea was: to set up the website on 2 different servers, one would be the primary webspace (from where most of the time the site should be served), the other host should work as backup-host to show the site when the primary host is down. I thought this would be possible by adding a third nameserver or an additional A-Entry into the DNS-Administration of the domain - would it be possible to set up a high-available-website this way or am I completely wrong?
Would be glad to read about your opinions.
09-28-2009, 06:40 PM #2Retired Moderator
- Join Date
- Feb 2005
DNS failover. Despite persistent urban myths it's not possible with static settings - you need a system that will monitor your hosts and change your DNS records when the master is down. Probably the easiest way to implement it is by using the services of a specialist DNS host like dnsmadeeasy.
Remember you'll also need to keep your files and databases in sync. Databases particularly can be a challenge if you're thinking about doing this on shared hosting.Chris
"Some problems are so complex that you have to be highly intelligent and well informed just to be undecided about them." - Laurence J. Peter
09-28-2009, 06:50 PM #3******* Unleaded
- Join Date
- Feb 2004
Your best solution is to improve your hosting.
Bouncing back and forth between ip's is not really going to address the base problem of not being able to keep a server up and available.
So, that should be your first goal. If you can do that, then you will probably not need anything further.
Servers really should be capable of staying up at least 90 days on a routine basis. 2+ years is not unheard of.
DNS failover/load balancing is always nice to have. But, it should be applied to otherwise healthy servers.
So, take the money you are spreading amonst several hosts and invest it in one great host.
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