Re: AHCI Patsburg SATA controller and slow transfer speed

2013-07-03 Thread Jim Harris
On Thu, Jun 27, 2013 at 6:38 PM, Jeremy Chadwick j...@koitsu.org wrote: Intel Patsburg is otherwise known as Intel X79. The X79 chipset/southbridge offers 6 SATA ports, 2 of which are SATA600, and the remaining 4 are SATA300: http://en.wikipedia.org/wiki/Intel_X79 While Wikipedia

Re: AHCI Patsburg SATA controller and slow transfer speed

2013-06-28 Thread asomers
On Thu, Jun 27, 2013 at 7:38 PM, Jeremy Chadwick j...@koitsu.org wrote: On Thu, Jun 27, 2013 at 02:21:57PM -0700, Dave Hayes wrote: Greetings all. I'm on FreeBSD 9.1-STABLE #0 r251391M. I'm noticing two of my SATA disks are at half speed. Is this normal or is there some configuration I'm

AHCI Patsburg SATA controller and slow transfer speed

2013-06-27 Thread Dave Hayes
Greetings all. I'm on FreeBSD 9.1-STABLE #0 r251391M. I'm noticing two of my SATA disks are at half speed. Is this normal or is there some configuration I'm forgetting? # dmesg | grep -C 4 ahc ... ahci0: Intel Patsburg AHCI SATA controller port

Re: AHCI Patsburg SATA controller and slow transfer speed

2013-06-27 Thread Mark Johnston
On Thu, Jun 27, 2013 at 5:21 PM, Dave Hayes d...@jetcafe.org wrote: Greetings all. I'm on FreeBSD 9.1-STABLE #0 r251391M. I'm noticing two of my SATA disks are at half speed. Is this normal or is there some configuration I'm forgetting? In my experience it's fairly common to have a mix of

Re: AHCI Patsburg SATA controller and slow transfer speed

2013-06-27 Thread Jeremy Chadwick
On Thu, Jun 27, 2013 at 02:21:57PM -0700, Dave Hayes wrote: Greetings all. I'm on FreeBSD 9.1-STABLE #0 r251391M. I'm noticing two of my SATA disks are at half speed. Is this normal or is there some configuration I'm forgetting? # dmesg | grep -C 4 ahc ... ahci0: Intel Patsburg AHCI SATA

Re: AHCI Patsburg SATA controller and slow transfer speed

2013-06-27 Thread Jeremy Chadwick
On Thu, Jun 27, 2013 at 06:38:27PM -0700, Jeremy Chadwick wrote: Next, this statement by ahci(4) then confuses the user: ahci0: AHCI v1.30 with 6 6Gbps ports, Port Multiplier not supported You see, when AHCI was invented, the existing idea was that all ports would have the same speed (and

Re: AHCI Patsburg SATA controller and slow transfer speed

2013-06-27 Thread Dave Hayes
On 06/27/13 18:38, Jeremy Chadwick wrote: Next, this statement by ahci(4) then confuses the user: ahci0: AHCI v1.30 with 6 6Gbps ports, Port Multiplier not supported Yes, this confuses even a seasoned user. ;) TL;DR -- Your motherboard offers 6 ports, 2 of which are SATA600, 4 of which are