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тАО03-09-2007 02:20 AM
тАО03-09-2007 02:20 AM
Any thoughts?
Also when going to RAC do we still use MC ServiceGuard or Oracle RAC will do job that ServiceGuard does?
Thanks,
f. halili
Solved! Go to Solution.
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тАО03-09-2007 02:31 AM
тАО03-09-2007 02:31 AM
Re: Scale Up or Scale Out - RAC or not to RAC
if you go to RAC with asm you won't still use MC ServiceGuard, i believe. but that's on 10g
for more informations check this thread:
http://forums.itrc.hp.com/service/forums/questionanswer.do?threadId=1003578
Regards
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тАО03-09-2007 02:37 AM
тАО03-09-2007 02:37 AM
Re: Scale Up or Scale Out - RAC or not to RAC
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тАО03-09-2007 03:18 AM
тАО03-09-2007 03:18 AM
SolutionDo you already have some suitable medium cars? How much synchronization is needed between those cars? Do you want to be able to play cards while traveling? The bus is easier. The cars may be faster and cheaper.
I personnaly like scale out vs scale up for its POTENTIAL to use several smaller & faster(and more cost effective) boxes instead of a single more expensive box.
1) It's just harder to build a good, fast box with more than 4 processors.
2) Instead of the typical 1 active 16 CPU machine at 60% usage + 1 passive machine at 0%, it is nice to have say 4 active machines with 4 cpus at 60% yet be able to run comfortably with 3 out of 4 at 80% load each.
(4*60=3*80=240)
Oracle does a decend job with RAC, but how will it really works for your situation depends entirely on the application usage of Oracle.
Is this for "Oracle E-business Suite" or for SAP? Then be sure to ask Oracle resp SAP about their recommendations/support for a RAC backend.
I'm sure there are plenty of consultants out there (like myself! :-) who are eager and able to help you make the right decision based on your specific situation.
Hope this help a little
Hein van den Heuvel
HvdH Performance Consulting
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тАО03-09-2007 12:58 PM
тАО03-09-2007 12:58 PM
Re: Scale Up or Scale Out - RAC or not to RAC
The suggestion to get some professional help in maknig the to RAC or not to RAC question is a good one.
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тАО03-12-2007 05:05 AM
тАО03-12-2007 05:05 AM