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

From: Mark Clark <nospam_at_thankyou.com>
Date: Tue, 19 Oct 2004 10:23:41 +0100
Message-ID: <erm9n0d64ovq2miivng04apivt2832aeh8@4ax.com>

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 Received on Tue Oct 19 2004 - 04:23:41 CDT