AHCI Issues with WDC Black drives and GEOM_MIRROR

Octavian Hornoiu octavianh at gmail.com
Fri Jan 27 05:05:12 UTC 2017


Thank Andriy,

it appears my motherboard had a "IDE/SATA" compatibility mode which was
enabled by default and i had no idea what the option meant but once i
turned it off everything is showing up as AHCI.

Thanks for your suggestion!


Octavian

On Thu, Jan 26, 2017 at 12:46 AM, Andriy Gapon <avg at freebsd.org> wrote:

> On 26/01/2017 00:59, Octavian Hornoiu wrote:
> > OS: 10.3-RELEASE-p12
> > Motherboard: ASRock FM2A85X Extreme6 FM2 AMD A85X (Hudson D4) SATA 6Gb/s
> > USB 3.0 HDMI ATX AMD Motherboard
> > Memory: 16 GB RAM
> > 6 Drives: 6x 1TB WD1001FALS (Caviar BLACK)
> >
> > I am having a strange issue where I have 6 drives attached to my
> > motherboard and 4 of them are coming up as SATA 2.x and the others are
> > coming up in a strange downgraded mode.  The first 4 disks are always
> shown
> > as being normal and ada4/5 always have the strange configuration.  I know
> > the motherboard chipset is good and supports 7 drives of SATA 2/3 in any
> > combination so I'm perplexed as to what the issue is.
> >
> > Why are drives 4 and 5 listed as being on bus ata0 and ata1 instead of
> > ahcich4 and 5?
>
> Check your BIOS settings.  Sometimes they have a separate IDE/AHCI knob
> for the
> last two channels.
>
>
> --
> Andriy Gapon
>


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