How to enable NCQ on freebsd 8.1 ?

2010-07-27 Thread Nickolay Krylov
Hi, all. I have enabled options ATA_CAM in the generic kernel and now can't understand NCQ works or not. There is some info. # uname -a FreeBSD 8.1-RELEASE FreeBSD 8.1-RELEASE #1: Mon Jul 26 11:58:32 UTC 2010 nk@:/usr/obj/usr/src/sys/BOOT81A amd64 # camcontrol devlist ST31000524NS SN11

Re: How to enable NCQ on freebsd 8.1 ?

2010-07-27 Thread Jerry Bell
I believe you need to use AHCI. I recently moved a test system over to AHCI and this is what I see at boot time for my hard drive: ada0 at ahcich0 bus 0 scbus0 target 0 lun 0 ada0: ST31000528AS CC34 ATA-8 SATA 2.x device ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada0:

Re: How to enable NCQ on freebsd 8.1 ?

2010-07-27 Thread Alexander Motin
Hi. Nickolay Krylov wrote: I have enabled options ATA_CAM in the generic kernel and now can't understand NCQ works or not. options ATA_CAM enables wrapper for existing ata(4) controller drivers, that do not support command queuing. All this option give to you is switching to newer bus