Website WAN failover between sites IIS6

Hi,

I have been asked by a client if we can offer "Website Failover" we have all our servers in the same rack and some are web servers, all Windows 2003 R2 with IIs 6 installed.

So is it possibble to configure website failover for abour 5 static websites all with different domain names, if I had a DR web server with a copy of the sites at another hosted site / location?

currently an ISP hosts all the DNS for our current websites, so I have access to it but it can take a while for replication to occur.


any ideas?


exact1Asked:
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Malli BoppeConnect With a Mentor Commented:
You talking some thing about server cluster. I don't think their is no need to server cluster for webserver.
NLB or the solution that I mentioned would be the most appropriate.
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Malli BoppeCommented:
If your ISP has round robin enabled on thier DNS server.Then definately yes.
You just need to have 2 host records for each domain pointing to 2 different locations.
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exact1Author Commented:
ok thanks, I will check with the ISP first to see what they say.
I do have access to the DNS, so I can set "A" records etc, is it somthing I can add?
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Malli BoppeCommented:
yeah, you should be able to do it.its fairly simple.
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exact1Author Commented:
any info on how?
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Malli BoppeCommented:
On your DNS server go to your domain zone.In the zone right click and use option to create host A record just in the IP address type in the public IP address of the your first web server leave the name blank.again create a host A record  with your 2nd webserver IP address with name as blank.so now domain.com would be pointing to  2 different  ip addresses which would be alternatively picked up.
Repeat the above step with the name as www so that you have records for www.domain.com as well.
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exact1Author Commented:
ok I will give that a go on a test site, thanks.
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exact1Author Commented:
Hi,
getting round to testing this now: you say;
"2 different  ip addresses which would be alternatively picked up"

I was after failover really, so one server would be used but in not avaiable, then server2 would be used. I guess your answer sort of does that? Its a database server (live and DR).

thanks  
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exact1Author Commented:
our ISP suggested NLB as well. So we will use that.
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