RE: Avoiding deadlock in iSCSI

[Stephen Byan <Stephen.Byan@quantum.com>]

Peter Johansson [mailto:PJohansson@ACM.org] wrote:

> The "this" Stephen refers to, summarized below, is not a T10 bug.
[snip]
> The malfunction is a property of the interaction of the 
> transport protocol 
> (T10 terminology) with SAM. In the case of iSCSI, it has to 
> be designed so 
> that no new commands can be accepted after the QUEUE FULL 
> condition until 
> the target has confirmed knowledge that the initiator is aware of the 
> error. That is, the ordered pipeline of commands between the 
> two endpoints 
> must be resynchronized before work may resume.

Peter, thanks for the correction. 

Would someone knowlegeable in Fibre Channel please explain how FCP meets
this requirement? Thanks in advance.

Regards,
-Steve

Steve Byan
<stephen.byan@quantum.com>
Design Engineer
MS 1-3/E23
333 South Street
Shrewsbury, MA 01545
(508)770-3414
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