Re: The cheapest hardware for real RAC

On 2006-07-07, Mladen Gogala <gogala_at_sbcglobal.net> wrote:
> On Thu, 06 Jul 2006 19:17:45 -0700, Ranko.Mosic_at_gmail.com wrote:
>
>> Hi,
>> I am looking for recommendations on which storage hardware to purchase.
>>
>> I want to connect 2 white box PC's ( which I have ) and storage
>> hardware ( which I don't have yet) into RAC ready config.
>> ( I tried Firewire thing, didn't work; VMware works, but is only
>> simulation).
>>
>
> What was the problem with the FireWire? I was able to do so in January
> 2005 with two Dell PC boxes, FireWire and external disk with OCFS 1.14.

        The guys at Oracle describe this as something that is painful and unpleasant and only occasionally works when real people try to implement it. It's also not a "real rac".

        Some other options include NFS. Although there is only one suitable vendor for actual production hardware (namely netapp). There's also the possibility of iscsi. You can have a 3rd node be your storage device.

        If this is for a "real" rac, then you need to figure out what parts of the system absolutely need to be redundant and start planning your system based on that. Performance will also be an issue. Latency will probably be more of an issue of raw thruput though.

> Oracle was 9.2.0.6. It worked. I will not say it worked like a charm,
> but it did work - eventually. It took me 2 weeks to get it working
> reliably and I was elbow deep in the kernels, drivers and machinery, but I
> did get it to work. I found out that cross-over cable is no good, I needed
> a little Linksys switch for the private connection, I've put voting file
> on the raw device (thanks to Werner Puschitz) and I created the database
> manually, but I did get everything to work. Linux was RH 3.0.
>

-- 
NO! There are no CODICILES of Fight Club!                           |||
                                                                   / | \
That way leads to lawyers and business megacorps and credit cards!

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