Raid / dual Opteron power issues

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Evan Bursey wrote:
> Hi All,
> 
> I've just started caring for a dual Opteron machine.  It has a 3Ware 
> 9500S-12 RAID controller, a Tyan S2882G3NR motherboard, 10 IBM 400GB 
> disk drives, and a 650 watt power supply.

6x200GB IDE, 3ware 7056-8 + 2x18GB SCSI on a Tyan S2881 motherboard, 2GB 
RAM + two 242  Opterons. 350 Watt EPS12V redundant power supply.
> What do you think?

Power.
> 
> Does anyone have any experience with this sort of hardware on x86_64 
> kernels?

Mine is similar but then that was with year old hardware.
> 
> Does the 3w_9xxx driver work well on a x86_64 machine?
> 
> Does anyone have a suggestion as to what capacity power supply I should 
> have?

Just the capacity of the power supply is not enough to go on. Every 
power supply will also list how much current they can supply at 
different voltages (5V, 12V, 3.3V etc)

Your power supply also needs to be one of those EPS12V versions which 
comes with a 8-pin 12V power connector. So you should get a power supply 
that can supply more than 30A at 12V (not sure how much current you need 
for the cpus...been a while so you're looking for something that at 
least does 40A? on 12V). That is how I managed a dual Opteron + 2 SCSI 
and a 3ware 7056-8 + 6 IDE disks on a 350 watt EPS12V power supply.

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