SATA SCSI Id assignments - two drives being assigned the same Channel/Id/Lun on boot
Nigel Wade
nmw at ion.le.ac.uk
Fri Nov 3 10:15:05 UTC 2006
Claude Jones wrote:
> In the thread "mount doesn't mount on boot-up" we have found a
> problem with the way my SATA drives are being ID'd, as seen below.
>
> # cat /proc/scsi/scsi
> Attached devices:
> Host: scsi0 Channel: 00 Id: 00 Lun: 00
> Vendor: ATA Model: ST3160023AS Rev: 3.05
> Type: Direct-Access ANSI SCSI revision: 05
> Host: scsi1 Channel: 00 Id: 00 Lun: 00
> Vendor: ATA Model: ST3300622AS Rev: 3.AA
> Type: Direct-Access ANSI SCSI revision: 05
> Host: scsi1 Channel: 00 Id: 01 Lun: 00
> Vendor: ATA Model: WDC WD5000YS-01M Rev: 07.0
> Type: Direct-Access ANSI SCSI revision: 05
>
> The first two entries appear to have the same Channel/Id/Lun -
They are on different controllers, scsi0 and scsi1. Each controller has its own
channels, ids and LUNs.
--
Nigel Wade, System Administrator, Space Plasma Physics Group,
University of Leicester, Leicester, LE1 7RH, UK
E-mail : nmw at ion.le.ac.uk
Phone : +44 (0)116 2523548, Fax : +44 (0)116 2523555
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