single SATA disk and yet identified as 'ad4'

2009-05-11 Thread Saifi Khan
Hi all: The system has just one SATA disk and yet bootloader process identified it as 'ad4'. Ideally, it should be ad1. Here is the PCI information 00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03) 00:02.0 VGA compatible

Re: single SATA disk and yet identified as 'ad4'

2009-05-11 Thread Jonathan McKeown
On Monday 11 May 2009 21:38:50 Saifi Khan wrote: Hi all: The system has just one SATA disk and yet bootloader process identified it as 'ad4'. Ideally, it should be ad1. [snip] How does the labelling logic work ? FreeBSD reserves numbers for devices that aren't currently connected, so that

Re: single SATA disk and yet identified as 'ad4'

2009-05-11 Thread Stefan Lambrev
You may want to become familiar with: # # The following options are valid on the ATA driver: # # ATA_STATIC_ID:controller numbering is static ie depends on location # else the device numbers are dynamically allocated. options ATA_STATIC_ID Long time

Re: single SATA disk and yet identified as 'ad4'

2009-05-11 Thread Erik Trulsson
On Mon, May 11, 2009 at 04:30:23PM +0200, Jonathan McKeown wrote: On Monday 11 May 2009 21:38:50 Saifi Khan wrote: Hi all: The system has just one SATA disk and yet bootloader process identified it as 'ad4'. Ideally, it should be ad1. [snip] How does the labelling logic work ?

Re: single SATA disk and yet identified as 'ad4'

2009-05-11 Thread Boris Kochergin
By default, ATA disks are assigned numbers based on the ATA controller they are on, and whether they are primary or secondary on the controller. For example, the primary disk on the first controller would be ad0, the secondary disk on the first controller would be ad1, the primary disk on the

Re: single SATA disk and yet identified as 'ad4'

2009-05-11 Thread James Seward
On Mon, May 11, 2009 at 3:30 PM, Jonathan McKeown j.mcke...@ru.ac.za wrote: Your BIOS is reporting two IDE interfaces, each of which could have a master and slave disk drive, so ad0-3 are reserved for those four drives, meaning SATA starts at ad4. Some BIOSes let you change this. Or you can

Re: single SATA disk and yet identified as 'ad4'

2009-05-11 Thread Tim Kientzle
Saifi Khan wrote: The system has just one SATA disk and yet bootloader process identified it as 'ad4'. Ideally, it should be ad1. 00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01) 00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA