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 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 correctly says

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 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 forgetting? >>

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

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 spee

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: port > 0x2070-0x207

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 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 6Gb/s and 3Gb/s po

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: port 0x2070-0x2077,0x2060-0x2063,0x2050-0x2057,0x2040-0x2043,0x2020-0x203f mem 0xd0b