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  3. August 2007

Re: 6618 drives for model 270

From a power and cooling perspective this should work fine. I probably would put 'blanks' in the open slots so the air going through passes across the drives rather than down the empty holes though. I have never seen a Seagate 15K drive come for a System i. Every one has been the IBM variety.

The biggest feat is that the BCC drives must not identify themselves as any 15K drive or the 270 will reject them. If they report as FC #4318s then they will work and the power draw should be OK.

- L

Jones, John (US) wrote:
Larry, what's your opinion about only partly populating the 270 cage
with 15K drives? I'd think 4 15Ks would produce less (or at worst
comparable) heat/power than 6 10Ks.

BTW BCC used IBM UltraStar drives. They may have also used Seagate.
Pretty much every IBM iSeries 15K drive I've seen has been a Seagate and
not an IBM/Hitachi.



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