On Sun, 24 Jun 2007 10:54:56 +1000, Eyal Lebedinsky wrote: > Jeff Garzik wrote: > [trim] > > Given that some drives might be better tuned for benchmarks in > > non-queued mode, and that a major behavior difference is that your > > drives are now NCQ-enabled, the first thing I would suggest you try is > > disabling NCQ: > > http://linux-ata.org/faq.html#ncq > > I see in my bootup messages: > ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 300) > ata6.00: ATA-7: WDC WD3200YS-01PGB0, 21.00M21, max UDMA/133 > ata6.00: 625142448 sectors, multi 0: LBA48 NCQ (depth 0/1) > ata6.00: configured for UDMA/133 > > and I wonder how to interpret "NCQ (depth 0/1)". Does this drive > support NCQ or not? > > Controller: Promise SATA-II-150-TX4. > Kernel: 2.6.21.5, x86 Your drive does, but the driver for your controller does not (yet). /Mikael - 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