On Tue, Dec 13, 2011 at 3:03 PM, Dallin Jones <[email protected]> wrote: > > I am running with SATA on a 3-ware 9950SXU-4LP > > Mine is in a RAID 1 configuration, I've been able to get dd to perform > consistently at about 70-75 MB/s, I figured that I should be able to > get better than that, but it doesn't sound like it. > Dallin
Yes, you should--assuming it's smart enough to do "RAID 1.5" (raid-0 staggered reads on a raid-1 array). Otherwise you are constrained by the performance of a single spindle. The Linux software md raid-10 driver does this.I don't know that all hw raid controllers do--although one would hope... /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
