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    iSCSI: PDU size and FirstBurstSize


    • To: <ips@ece.cmu.edu>
    • Subject: iSCSI: PDU size and FirstBurstSize
    • From: "Ayman Ghanem" <aghanem@cisco.com>
    • Date: Thu, 17 Jan 2002 09:21:53 -0600
    • Content-Transfer-Encoding: 7bit
    • Content-Type: text/plain;charset="iso-8859-1"
    • Importance: Normal
    • Sender: owner-ips@ece.cmu.edu

    1- In draft-09, section 2.2.2.1 near the end:
    
            "The target MUST NOT transmit a MaxCmdSN that is less than the last
            ExpCmdSN."
    
    This should be:
    
            "The target MUST NOT transmit a MaxCmdSN that is less than the last
            ExpCmdSN - 1."
    
    to be consistent with the previous paragraph.
    
    2- section 2.2.5 (sixth paragraph):
    
    	"An initiator may send unsolicited data as immediate up to the
    	 negotiated maximum PDU size or in a separate PDU sequence (up
    	 to the mode page limit). All subsequent data MUST be solicited."
    
    Can the PDU size be negotiated to a value larger than FirstBurstSize? The
    definition of MaxRecvPDULength does not limit that, and the definition of
    FirstBurstSize includes immediate data, which implies FBS larger than PDU
    size.
    If PDU size is larger than FBS, then the definition of FBS is not consistent
    with the above paragraph.
    
    -Ayman
    
    


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Last updated: Fri Jan 18 13:18:01 2002
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