On Tue, 2003-07-29 at 08:14, Vivek Khera wrote: > >>>>> "GS" == Greg Stark <[EMAIL PROTECTED]> writes: > > GS> "scott.marlowe" <[EMAIL PROTECTED]> writes: > > GS> But you have to actually test your setup in practice to see if it > GS> hurts. A big data warehousing system will be faster under RAID5 > GS> than under RAID1+0 because of the extra disks in the > GS> stripeset. The more disks in the stripeset the more bandwidth you > GS> get. > > Anyone have ideas on 14 spindles? I just ordered a disk subsystem > with 14 high speed (U320 15kRPM) SCSI disks to hook up with a dell > PERC3/DC controller (only 128MB cache, though). <SNIP>
Hey one comment on this. With dell Perc3/DC you should check the megaraid-devel list to find the best BIOS settings for maximum performance. There have been many comments on it and trials to get it going really well. All told though I totally love the LSI Megaraid ( which is what the perc3/dc is ) controllers. We use the Elite 1650 with seagate cheetah drives for a nice little array. --Will
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