On Jan 29, 2010, at 12:01 PM, Christo Kutrovsky wrote: > Hello, > > I have PDSMi board > (http://www.supermicro.com/products/motherboard/PD/E7230/PDSMi.cfm) with > Intel® ICH7R SATA2 (3 Gbps) controller built-in. > > I suspect NCQ is not working as I never see "actv" bigger than 1.0 i in > iostat, even though I have requests in "wait".
This can happen if the BIOS represents the disk as being in IDE mode instead of AHCI mode. "prtconf -D" will show the drivers loaded and you can see if the disk is using an ATA or IDE driver. -- richard > > How can I verify the status of NCQ, and if not enabled to enable it. There > are reports that ICH7R supports NCQ > (http://www.overclock.net/intel-motherboards/269993-how-enable-ahci-ncq-windows-2k.html). > -- > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
