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Sorry for the late reply.
Re: Load Balancing
From: Men & Mice Support
Date: Tuesday, January 29, 2002
Time: 6:46:03 pm
At 6:13 PM -0600 1/28/02, rob wrote:
>OK this load balancing thing may save my Butt!.
>
>I have a site that is getting hit and hit hard just after each football
>Sunday. With the biggest football Sunday coming up, I need to setup a load
>balance between 3 Servers. The first is a Quad Xeon 700mhz on a DS3, this
>will handle the lion share. Next is a Dual 1Ghz Pentium on a T1, and then a
>dual Dual Pentium 500mhz on a separate T1. We want about 50% to go to the
>Quad Xeon, 33% to go to the 1Ghz Xeon, and 12% to go to the 500mhz Pentium.
What about the other 5%?
>I currently run everything off of the Dual 1Ghz pentium on the t1 but she
>can't take it and she is breaking up captain.
>
>Our current TTL is 3600.
>
>What should be my settings to get this to happen?
Create a load balance record named "load" - its full name will become
"load.<zone name>". You can use some other name, but I recommend
against giving it the name of an actual production website, for
reasons that will become clear below.
Give it a TTL of 5 minutes (300 seconds). Fill in the minimum values
for the other time-based fields. For each server, enter it's IP
address and the percentage of traffic you want to give it - 50, 35,
and 15, or whatever you settle on. The numbers don't have to add up
to 100, but having them do so makes it easiest to figure out how much
traffic will go where. When you're done and have saved the zone,
launch QuickDNS Load Balancer on each QuickDNS Server machine.
Test. Use the testing utility to test the percentages you've given
each IP address. Also, make sure that each server is configured to
serve the website(s) you intend - you can test this with a web
browser and a Hosts file. Once you're satisfied that everything's
working properly, take your changes live:
- Delete the record that defines the website name that you currently
have in place.
- Replace that with a CNAME record, like so:
<website hostname> CNAME <name of load balance record>
- Save the zone.
Traffic should immediately start going to all three servers, instead
of just one.
____________________________________________________________________
Chris Buxton Men & Mice
support@menandmice.com Making DNS Easy
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