On Tue, Jul 19, 2011 at 04:56:22PM +0800, Jack Wang wrote: > [Jack Wang] > I test it with pm8001, using 512b read with 12 6G sas disks bumps ~460K iops > from 340K iops, but using 512b write performance drops from 340K to 240K. Very strange. Is this repeatable, and did you test with just patch 1, or the whole series? -- 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