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    iSCSI : Section 4. Login Phase.


    • To: IPS Reflector <ips@ece.cmu.edu>
    • Subject: iSCSI : Section 4. Login Phase.
    • From: Santosh Rao <santoshr@cup.hp.com>
    • Date: Mon, 12 Mar 2001 17:52:57 -0800
    • Content-Type: multipart/mixed;boundary="------------52BA8BD241F0499A94891628"
    • Organization: Hewlett Packard, Cupertino.
    • Sender: owner-ips@ece.cmu.edu

    Julian & All,
    
    A couple of issues on Section 4 of the rev 05 iSCSI draft :
    
    1) "The Login Final-Response can come only as a response to a Login
    command with the F bit set to 1 or a Text Command with the F bit set to
    1."
    
    The above statement is not true and must be removed, since the
    login-final response is used by targets when rejecting login. As per the
    table in Section 2.11.4, the F bit is allowed to be set to 1 when the
    status class is non-zero.
    
    2) "Operational parameters MAY be negotiated within or outside (after)
    the login phase."
    
    If text negotiation can be conducted outside of the login phase, what is
    the effect of changes in text keys on the existing login ?
    For ex, how does changes to keys like MaxConnections, UseR2T,
    BidiUseR2T, ImmediateData, DataPDULength, FirstBurstSize, ITagLength,
    etc affect their existing values negotiated during the current login ?
    
    The side-effects of such changes and the scope of their establishment
    must be documented. It may be simplest to prohibit such changes outside
    of the login phase, for the sake of simplicity.
    
    Regards,
    Santosh
    
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    title:Software Design Engineer
    x-mozilla-cpt:;21088
    fn:Santosh Rao
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