Mark Clark <nospam_at_thankyou.com> wrote in message news:<erm9n0d64ovq2miivng04apivt2832aeh8_at_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
I did not see what platform you are on. In 9i on AIX, I believe you
need both HACMP and RAC to accomplish much beyond physical/logical
standby.
Received on Tue Oct 19 2004 - 09:18:57 CDT
