Hi Ian, On Thu, 2007-09-27 at 21:20 +0100, Ian Pascoe wrote: > An interesting topic and one that has recently been done to death on the > Beowulf mailling lists under the "Big Storage" title (sorry, haven't sused > out their archive system yet). Now these guys are looking at HPC and HA > computing going up from 4 to 1000+nodes with PB size storage levels. >
Something most of us are unlikely to use on a daily basis. > The conclusion they came up with was that for 99.9% of scenarios hardware 99.9% of scenarios that don't match what 99.9% of people here will see :) > RAID beat software RAID hands down - this was not hearsay but through > experience. > Beat using what criteria? Speed, I'd agree. And for organisations that can afford 1000+node clusters I'd expect they can have spare RAID cards, and indeed external SANs rather than a Dell optiplex box with 4 disks for their storage :) Cheers, Al.
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