CRN

Binford, Charles charles.binford at symbios.com
Mon Jun 22 11:09:56 PDT 1998


* From the T10 (formerly SCSI) Reflector (t10 at symbios.com), posted by:
* "Binford, Charles" <charles.binford at symbios.com>
*
And, just like SCSI commands, the timeout value is vendor specific and
may vary from command to command or TM function to TM function.

Charles Binford
Symbios Inc.
316-636-8566

> -----Original Message-----
> From:	Douglas Hagerman [SMTP:Douglas.Hagerman at digital.com]
> Sent:	Monday, June 22, 1998 1:03 PM
> To:	'Binford, Charles'; fc at nsco.network.com; t10 at symbios.com
> Subject:	RE: CRN
> 
> If the plan is to force the task management functions to be handled
> single threaded, then what is the appropriate timeout value? They're
> sent as separate exchanges, just like SCSI commands, so should I
> assume
> that they use the SCSI command timeout?
> 
> Doug.
> 
> 	-----Original Message-----
> 	From:	Binford, Charles [SMTP:charles.binford at symbios.com]
> 	Sent:	Friday, June 19, 1998 6:44 PM
> 	To:	fc at nsco.network.com; t10 at symbios.com
> 	Subject:	RE: CRN
> 
> 	Task management functions should be done single threaded.  The
> host
> 	knows if one gets lost when it times out waiting on the
> response.  If
> 	the response times out we have two cases:
> 	- task management function got lost - resend it
> 	- reply gets lost - resend it.  It won't matter to redo the same
> task
> 	management function a second time if nothing else has happened.
> 
> 	Charles Binford
> 	Symbios Inc.
> 	316-636-8566
> 
> 	> -----Original Message-----
> 	> From:	Douglas Hagerman [SMTP:Douglas.Hagerman at digital.com]
> 	> Sent:	Friday, June 19, 1998 12:38 PM
> 	> To:	'Dal Allan'; fc at nsco.network.com; t10 at symbios.com
> 	> Subject:	RE: CRN
> 	> 
> 	> * From the T10 (formerly SCSI) Reflector (t10 at symbios.com),
> posted by:
> 	> * Douglas Hagerman <Douglas.Hagerman at digital.com>
> 	> *
> 	> I guess I'm in the minority in this one also. If there is no
> CRN
> 	> associated with task management functions, then how do you
> know if one
> 	> gets lost?
> 	> 
> 	> Doug.
> 	> 
> 	> 	-----Original Message-----
> 	> 	From:	Dal Allan [SMTP:endlcom at ibm.net]
> 	> 	Sent:	Wednesday, June 17, 1998 3:50 PM
> 	> 	To:	fc at nsco.network.com; t10 at symbios.com
> 	> 	Subject:	re:CRN
> 	> 
> 	> 	Hi Dave,
> 	> 
> 	> 	Here's what I remember agreeing with last week. 
> 	> 
> 	> 	> CRN will be reset by target reset.
> 	> 
> 	> 	Yes
> 	> 
> 	> 	> No CRN for task management functions.
> 	> 
> 	> 	Correct
> 	> 
> 	> 	Dal
> 	> 
> 	> *
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