Re: 3ware Escalade problems

Jeff V. Merkey (jmerkey@vger.timpanogas.org)
Wed, 1 Aug 2001 18:58:36 -0700


On Thu, Aug 02, 2001 at 01:40:55AM +0100, Alan Cox wrote:
> > Try putting four adapters into a system all at once with 32 drives, and
> > you will see all sorts of bugs. I do not see problems with a single board,
> > other than gendisk reporting junk. If it's the scsi layer, then the driver
> > must not be calling the sd driver. I will attempt to get on the phone with
> > Adam, and get these issues resolved.
>
> The scsi disk layer does the entire gendisk stuff itself. Its actually
> very hard for a scsi driver to screw that up - the scsi driver has no
> real concept of a 'disk'. sd talks to a disk and the scsi driver just gets
> messages posted around.
>
> Alan

Alan,

If you have an adapter, install it, dumop and gendisk head, and take a
look at what's happening. I am seeing drives being reported with 0
block lengths and other wierdness.

Jeff

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