3ware disk failure -> hang -- SCSI backplanes

[loony at loonybin.org (Peter Arremann)]

On Friday 06 January 2006 19:18, Bryan J. Smith wrote:
> Peter Arremann <loony@xxxxxxxxxxxx> wrote:
> > Hmmm... how is it a different matter? A scsi backplane has
> > very little logic onboard other than what is required for
>
> the
>
> > scsi id selection (unless that is hardwired too).
>
> Depends on the backplane.  You should see what the Dell, IBM
> and other servers have.  ;->
*nods* Have done so - never when working on anything from HP, sun or IBM I've 
seen anything like what you're describing... SAF-TE is the furthest in that 
direction but also not even close...  


> Now it will be interesting to see if Serial Attached SCSI
> (SAS) cards, which can use SATA drives, will still report
> back SATA status via their SCSI-2 facilities.  I know some of
> the SAF-TE standard is adopted in some SATA drives and
> backplanes.
Ok - so you're referring so saf-te with your above statemts or is there more? 

Peter.