Re: [RFC] libata new EH document

James Bottomley
2005-09-01T21:56:32Z

On Thu, 2005-09-01 at 17:40 -0400, Luben Tuikov wrote:
> > The current SCSI autosense in drivers doesn't require this because we
> > reuse the existing command that got the contingent allegiance condition.
>
> Care to elaborate what "contingent allegiance condition" is,
> how SCSI Core got it, how SCSI Core is using it, and how SCSI Core set
> it up with the LU?

Well, not really, since it's basic SCSI and the explanation's pretty
long. However, the standards have several pages about it. For your
reading pleasure, I suggest SAM-2 section 5.9.1 Contingent allegiance
(CA) and auto contingent allegiance (ACA)

James