Re: 3ware Escalade problems

[Jeff V. Merkey]

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