RE: RAC nodes

Carol,

One of the biggest challenges you are going to have is, as someone else mentioned, sharing disk over the large geographical location. Last I spoke with an Oracle rep, this had only been done over a short distance - like a couple of hundred yards. Seems unbelievable to me that this *can't* be done, but it's what I've been told.

So someone in your organization needs to solve that problem first. If it does not exist, then you are stuck with either replication, or one database server shared by all.

Tom Mercadante
Oracle Certified Professional

-----Original Message-----
From: Carol Legros [mailto:clegros_at_orsis.ca] Sent: Thursday, July 15, 2004 2:24 PM
To: oracle-l_at_freelists.org
Subject: Re: RAC nodes

Raj,
I recently spoke with someone that is considering putting in RAC in this configuration.
We don't know of anyone that *has* done this, and on the flip side, we couldn't think of any other
reasons this solution might be problematic except for the network.

I'd like to hear about similar RAC experiences (servers split over geographic locations)
from others on the list if they have tried it.

Carol

Raj Jamadagni wrote:

>Other than network latency and other outages, what more do you _want_
>??
>
>Raj
>
>--- Carol Legros <clegros_at_orsis.ca> wrote:
>
>
>>I'm wondering if anyone out there that is using RAC has set up their
>>nodes such that half of the nodes reside in one geographic location
>>and the other half of their nodes in another geographic location (ie
>>100 miles away).
>>
>>I can envision possible issues with network latency or outages, but
>>I'm
>>wondering
>>what other problems/issues others may have found if/when they tried such a
>>configuration.
>>
>>Cheers
>>Carol
>>
>>
>>
>>
>>
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>
>
>=====
>Best Regards
>Raj
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