Saw the following interesting posting a week or so ago. Poor
man's/person's load sharing between to co-located servers, and automatic
fall over for *most* situations, including the one that generated this
thread. Bind 4.9.7 has been solid for years. 4.9.8 is out. It achieves
the client's typical (impossible) project objective: Good, fast, and cheap ;-}
best, paul
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B I N D N T S U P P O R T L I S T
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this works with bind 4.9.x , but i don't know how recomended it is, use at
your own risk
1) on your DNS server (i assume they are different than your web servers)
delegate the name of the web servers to the web servers itself, creating a
child domain
in the db file for mywebsite.com :
www.mywebsite.com. IN NS www.mywebserver1.com.
www.mywebsite.com. IN NS www.mywebserver2.com.
2) on your web server, setup bind so the the A record points to itself with
a TTL of 0 (zero)
in the db file for www.mywebsite.com on the first server :
www.mywebsite.com. IN A www.mywebserver1.com.
in the db file for www.mywebsite.com on the second server :
www.mywebsite.com. IN A www.mywebserver2.com.
each webserver will run bind and point to itself for the A record, so when
the box is down, the copy of bind that points on this box will also be down
and this box will not resolve anymore
drawback :
the TTL is near or at 0
the files for the child domain on the webservers are different on each
machine
advantage :
it works on bind :-)
At 06:33 PM 6/4/01 -0400, you wrote:
>Perhaps a good load balancing appliance that sits outside the
>datcenter.. or better two of them with geographic distribution and at
>minimum one of those sites being at your location is a nice hybrid
>play...
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