Re: iSCSI: ordered command delivery at the target

["Julian Satran" <Julian_Satran@il.ibm.com>]

Luben,

Amir is right. The text says explicitly that CmdSN has no significance whatsoever after delivery to SCSI (when the task is instantiated).
ITT is the only means to identify safely a task. As for the difficulty of search for the ITT - that is all a question of implementation prowess
(i.e., it should not e as difficult as you make it sound).

Julo

Luben Tuikov <luben@splentec.com> Sent by: luben@ns.splentec.com 06/07/2002 07:40 PM Please respond to Luben Tuikov

To:        Amir Shalit <amir@astutenetworks.com>         cc:        iSCSI <ips@ece.cmu.edu>, Julian Satran/Haifa/IBM@IBMIL         Subject:        Re: iSCSI: ordered command delivery at the target

Amir Shalit wrote:
> 
> It will not work. If you issue a write command for multiple Terabytes (it's
> allowed)
> CmdSN may wrap before you are done with the command.
> 
> Amir

The target takes care or CmdSN wrapping for outstanding ITT,
by virtue of MaxCmdSN and ExpCmdSN.
If it didn't, all would go up in smoke! Please read the draft!
Anyway...

Comments? (on the original posting).

-- 
Luben