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Re: Load Balance to set a primary and "backup" server.

From: Tony
Date: Thursday, May 17, 2001
Time: 8:30:23 am

Would I do the same for virtual hosts?

www.a.com. CNAME www.test.com.
xxx.a.com. CNAME www.test.com.
yyy.a.com. CNAME www.test.com.
zzz.a.com. CNAME www.test.com.




>That's almost correct. The only problem is, if you have a zone named
>a.com, then you can't have a CNAME record named a.com. Instead,
>you'd have a CNAME record named www.a.com. (You also can't have a
>load balance record named a.com.)
>
>So your CNAME records would look like this:
>
>www.a.com. CNAME www.test.com.
>www.b.com. CNAME www.test.com.
>www.c.com. CNAME www.test.com.
>www.d.com. CNAME www.test.com.
>____________________________________________________________________
>Chris Buxton Men & Mice
>cbuxton@menandmice.com We Make DNS Easy!
>
>At 4:35 PM -0700 5/5/01, Tony wrote:
>>I'd like to see an example also:
>>
>>I have a dns record named 'test.com'
>>The load balance record name is 'www.test.com'
>>
>>I have 26 other domains named a.com through z.com
>>
>>Are you saying that the best way to balance all those domains is to
>>have a cname set to www.test.com in each record??
>>
>>eg
>>a.com CNAME www.test.com
>>b.com CNAME www.test.com
>>c.com CNAME www.test.com
>>d.com CNAME www.test.com
>>etc
>>
>>That way will save me a lot of time.
>>
>>Thanks,
>>
>>Tony
>>
>>> >on 4/29/01 6:10 PM, Men & Mice Support at cbuxton@menandmice.com wrote:
>>>
>>>>>> In general, the load balance system isn't designed for more than a
>>>>>> handful of load balance records. If you have a number of names you
>>>>>> want load balanced the same way, it's preferable to use only one load
>>>>>> balance record, with CNAME records for the rest.
>>>>> OK - I've had one cup of coffee, but it's Saturday and this is
>>>>>not sinking
>>>>> in ... If I have a dozen or so separate DNS's for web sites that all are
>>>>> independent sites (hosted on WebTen as virtual hosts) - I understand that
>>>>> you really only need to monitor the web server once. But how do I use
>>>>> CNAMES in the other domains to cause the switch?
>>> >
>>>> It's just like any other CNAME alias:
>>>>
>>> > virtual.host.name. CNAME load.balance.record.name.
>>>
>>>It's Saturday a week later and I'm still struggling ... let's try an
>>>example:
>>>
>>>www.mldfamily.org is load balanced (99 to one server, and 1 to another
>>>server) -- soon to be 65535 and 1.
>>>
>>>www.ldbailey.com is hosted on the same two servers. What is the entry for
>>>the "load.balance.record.name" for www.ldbailey.com? Is it
>>>www.mldfamily.org? Does that cause the IP to be looked up but the query at
>>>that IP is actually made by the browser to www.ldbailey.com?
>>>
>>>Dean




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