> On Fri, Apr 24, 2009 at 07:32, Martin K. Petersen <martin.petersen@xxxxxxxxxx> wrote: > +What: /sys/block/<disk>/alignment > +What: /sys/block/<disk>/<partition>/alignment > +What: /sys/block/<disk>/queue/minimum_io_size > +What: /sys/block/<disk>/queue/optimal_io_size Would it also be possible and useful to include the number of spindles/channels, i.e., how many requests the device can handle concurrently? CFQ could for example serve two time slices concurrently if you have sequential reads and the device reports two spindles. [sorry for replying in the middle of the thread, but I didn't get the original email] -- mvh Carl Henrik -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
