Hatred's Log Place

DON'T PANIC!

Feb 25, 2009 - 1 minute read - Comments - linux

nForce4 (CK804) и NCQ

Цитата (http://blog.kovyrin.net/2006/08/11/turn-on-ncq-on-ich-linux/#comment-4100): > SATA Native Command Queueing support > > This is automatically enabled if both the controller and device > support NCQ. libata supports maximum of 31 concurrent commands. If > NCQ is enabled you should be able to see a message like the following > during device initialization. > > ata1.00: ATA-7, max UDMA7, 312581808 sectors: LBA48 NCQ (depth 31/32) > > If the device supports NCQ but the host doesn’t, you’ll get > > ata8.00: ATA-7, max UDMA7, 312581808 sectors: LBA48 NCQ (depth 0/32) > > Queue depth can be adjusted by > > # echo 16 > /sys/class/scsi_device/0:0:0:0/device/queue_depth > > But, there aren’t many good reasons to mess with queue depth.

У меня: # dmesg | grep NCQ ata3.00: 1465149168 sectors, multi 1: LBA48 NCQ (depth 0/32)

Теперь появился повод подумать… У кого нить есть какие предложения? Может на это влияет различные параметры SATA/IDE в BIOS?

PS версия драйвера sata_nv: 3.5, ядро 2.6.28.2