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Re: Load Balance to set a primary and "backup" server.From: Men & Mice Support Date: Thursday, May 17, 2001
Time: 5:36:46 pmAbsolutely. Do this for any name that you want to have load-balanced,
as long as the name can legally be defined as an alias.
____________________________________________________________________
Chris Buxton Men & Mice
cbuxton@menandmice.com We Make DNS Easy!
At 8:29 AM -0700 5/17/01, Tony wrote:
>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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