Re: Oracle 9i RAC vs Hardware clustering (like HACMP)

On Tue, 19 Oct 2004 22:53:17 -0700, DA Morgan <damorgan_at_x.washington.edu> wrote:

>Mark Clark wrote:
>
>> On Mon, 18 Oct 2004 21:14:38 -0700, DA Morgan
>> <damorgan_at_x.washington.edu> wrote:
>>
>>
>>>Praveen wrote:
>>>
>>>Cost
>>>Fail-over
>>>
>>>RAC will cost far less. I recently priced an identical system Sun vs
>>>Dell. Same number of CPUs. Sun was $750K ... Dell/NetApp ... 1/3 the
>>>price after counting the cost of the RAC licenses to Oracle.
>>>
>>>Remember without RAC ... to purchase backup capability requires
>>>duplicating everything. And even with that you won't have subsecond
>>>failover.
>>
>>
>> Worth considering the limitations of RAC too -- range etc.. That said
>> h/w clustering and RAC are often complimentary in large scale
>> deployments where they each provide a solution to certain
>> problems/challenges. Certainly for large projects the aquisition
>> costs are rarely a major factor for a blue chip.
>>
>>
>> Mark
>> http://www.linxcel.co.uk
>
>What limitation? In Japan they ran a 10g RAC cluster with 128 nodes.
>Do you think you can find an SMP machine that large?

How about managability :-)
Mark
http://www.linxcel.co.uk Received on Wed Oct 20 2004 - 02:11:42 CDT