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Re: 10g RAC: max performance & min cost with miSCSI?

From: JEDIDIAH <jedi_at_nomad.mishnet>
Date: Wed, 23 Nov 2005 10:32:44 -0600
Message-ID: <1132763564_24361@spool6-east.superfeed.net>


On 2005-11-16, DA Morgan <damorgan_at_psoug.org> wrote:
> Heikki Siltala wrote:

[deletia]
>> 3. Can you think any glues on why on earth HP has decided not to support
>> MSA30 MI on Xeon (Proliant) servers. Why it is only for Linux 64bit and
>> HP-UX Itanium (Integrity)? Is there similar mi-SCSI storage systems from
>> other vendors that are supported for Xeon servers? It seems more than a
>> little bit pointless to build a cheap disk system and then be forced to
>> move from Xeon to Itanium.
>>
>> --
>> Heikki
>
> I am a bit concerned with some of what you wrote ... and some of what
> you didn't write.
>
> 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.
>
> Second: The last place I would look for a storage subsystem for RAC
> is "(Sun, Dell/EMC, Adaptec, HP, IBM)". Contact NetApp and specifically
> ask about the FAS250 and FAS270 series. They will save you a huge
> amount of grief as they eliminate the need for a cluster file system
> and/or ASM.

        How do they manage to do this?

-- 
	The best OS in the world is ultimately useless         |||
	if it is controlled by a Tramiel, Jobs or Gates.      / | \
Received on Wed Nov 23 2005 - 10:32:44 CST

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