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05:30:13 < gozu> not_me: the supermicro cases suck really, really hard at isolating the disks from each other.
05:30:36 < gozu> basicly, there is a slim sheet of metal in between, and the bay-trays are not even tight fits.
05:30:50 < not_me> we have a few of those cases
05:31:12 < gozu> so we did detailed benchmarks on a disk, with the 9 disks "around" it being a) spun down, b) spinning but idle, c) active.
05:31:18 < gozu> and the results were superscary.
05:31:33 < gozu> more so when the disk has low cpu power.
05:31:53 < gozu> (== fails at head servo control)
05:32:06 < not_me> you mentioned that
05:32:15 < not_me> (the cpu power issue)
05:32:31 < kakazza> cpu power, hdds, what?
05:33:30 < not_me> kakazza: "server" hdds have more cpu power, to do more sensor data analysis to compensate for vibrations
05:33:55 < not_me> was one of gozu's findings when talking to techs of some hdd manufacturer
05:35:23 < kakazza> heh, nice.
05:37:07 < not_me> gozu: wow, they got a new model: http://supermicro.com/products/chassis/4U/847/SC847E26-RJBOD1.cfm
05:37:27 < gozu> they actualy seem to simply have two "cpus" on the "serious" hdds. one for talking to the disk, one for talking to the host.
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