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Idling, Inc

It is impossible to enjoy idling thoroughly unless one has plenty of work to do. There is no fun in doing nothing when you have nothing to do. Wasting time is merely an occupation then, and a most exhausting one. Idleness, like kisses, to be sweet must be stolen. - Jerome K. Jerome

Tuesday, November 06, 2007

Best Server Storage Setup?

Firstly, decide on a decent motherboard and disk controller combo. CPU speed is basically irrelevant, however, you should pack each node with a good 2G+ of RAM. Make sure your motherboards have at least two 64bit/100Mhz PCI-X buses. I recommend (and use) Intel's single-CPU P4 "server" motherboards and 3ware disk controllers. I believe the Areca controllers are also quite good. You will have trouble on the AMD64 side finding decent "low end" motherboards to use (ie: single CPU boards with lots of I/O bandwidth). Do not skimp on the motherboards and controllers, as they are the single most important building blocks of your arrays.

Secondly, pick some disks. Price out the various available drives and compare their $/GB rates. There will be a sweet spot were you get the best ratio, probably around the 400G or 500G size these days.


Even though the 750GB Seagates appear to provide less bang-for-buck than smaller solutions (400GB, 300GB), the higher data storage density pays off in a big way. Cramming more data into a single box means amortizing the power/heat cost of the non-disk components better, and also allows you better utilization of your floorspace (which is going to become very important, if you really are looking to scale this into the multi-petabyte range).

Posted by Idler at 4:24 PM
Labels: data center, storage

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