Petr Vandrovec wrote: > Concurrent hdparm -t, like > > hdparm -t /dev/sdd & hdparm -t /dev/sde & hdparm -t /dev/sdf & hdparm -t > /dev/sdg & sleep 20 > > (and from hdparm output & visually confirmed that all activity LEDs go > on & off simultaneously) Not sure whether it matters but 'hdparm' tests are fairly short. You can probably get more reliable result using dd with direct flag specified. > So NCQ should not be able to show any (definitely not huge) benefits, > but there should not be any reason to not get 4x 1 drive speed as long > as neither PMP link nor PCI-X limits are hit. As said before, 3124/32 hardware seems to have limitations in transfer rate it can reach. Thanks. -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
