Heikki Siltala wrote:
> DA Morgan wrote:
>
>> First: My understanding with Standard Edition is that it covers up
>> to 4 CPUs. If that is still correct you might want to go for a 3
>> node or 4 node cluster. You never want to be ina position where
>> taking a CPU off-line cuts your processing power by 50% and removes
>> all failover capability.
>
>
> We are running Enterprise Edition due to reasons that we use for example
> OLAP option which is not available on Standard Edition. What we are
> looking for is
> 1) to protect the system from downtime due to "single point of failure"
> type of failures and
> 2) to give possibility to install patches or do other maintenance during
> the regular working hours and
> 3) keep the costs low.
>
> I feel that building a two node RAC 1 CPU per node with low-cost
> well-performing disk system could fullfill all these needs. We are happy
> that our database and applications running against it are not 24/7 and
> can tolerate downtime in rare situations when
> 1) there is a "more than a single point of failure" type of failure and
> 2) when a failure on the active node occurs while the other node is
> under maintenace (pathcing etc)
>
> Of course, if didn't have to consider the budget, we would buy four node
> system and fiber channel SAN.
>
> --
> Heikki
Fibre channel SAN with 7TB of disk can be had for well under $12K USD.
The fabric switch for under $4K USD. Reconsider your choices.
--
Daniel A. Morgan
http://www.psoug.org
damorgan_at_x.washington.edu
(replace x with u to respond)
Received on Thu Nov 17 2005 - 16:57:25 CST