See LINT on details of how to wire down scsi devices...
Your proposal doesn't take adding a second scsi card into account.
On Fri, 1 Oct 1999 [EMAIL PROTECTED] wrote:
> Current FreeBSD SCSi disk naming mechanism is problem for using more than
> one disks in the chain during the disk failure.
>
> The problem is that the name is not fixed with is SCSI ID. e.g.,
> if one disk is presented in the chain, regardless its SCSI ID, it is
> always named "da0";
>
> if two disks are installed, the one with lower ID is named da0 and the
> other will be named as da1. When the lower ID one is crashed, then the
> other disk will be named as da0 (from da1) after reboot, and it is not
> mountable due to the name changing.
>
> If a system has a UW SCSI controller with 15 disks in the chain,
> when the first disk (ID = 0) crashed, all rest 14 disks will be
> useless until either fstab modified or another disk is added with
> SCSI ID = 0.
>
> Why not we use a fixed name corresponding the SCSI ID. That is,
> disk with ID 0 will be always named as da0, and disk with ID 1
> will be always named da1, etc.?
>
> Is there problem with fixed disk naming mechanism?
>
> -Jin
>
>
>
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