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    RE: Target selection in a multi-target TCP connection


    • To: <Black_David@emc.com>, <ips@ece.cmu.edu>
    • Subject: RE: Target selection in a multi-target TCP connection
    • From: "Yoav" <yoavf@sancastle.com>
    • Date: Thu, 28 Jun 2001 12:59:26 +0200
    • Content-Transfer-Encoding: 7bit
    • Content-Type: text/plain;charset="iso-8859-1"
    • Importance: Normal
    • In-Reply-To: <EB08438A4DF8D411AEDB0002A508F002571D1F@EXCHANGE-ISR>
    • Sender: owner-ips@ece.cmu.edu

    Thanks for the pointer and the reply.
    My interpration was wrong, however it could be better if some of the Login
    parameters which are a MUST (like TargetName text key?) would be mentioned
    under section 2.10.9
    
      Yoav
    
    
    -----Original Message-----
    From: owner-ips@ece.cmu.edu [mailto:owner-ips@ece.cmu.edu]On Behalf Of
    Black_David@emc.com
    Sent: Thu, June 28, 2001 6:22 AM
    To: yoavf@sancastle.com; ips@ece.cmu.edu
    Subject: RE: Target selection in a multi-target TCP connection
    
    
    Huh?  Login is to a single iSCSI target and
    binds the TCP connection to that target.  The
    target name is specified in the login command
    (see description of TargetName text key), and
    the implementation has to track the connection
    binding as part of the state established by
    the login.  If this isn't clearly specified
    in -06, please let us know what text needs
    to be clarified.
    
    Now, if one iSCSI target corresponds to multiple
    targets of some other sort (e.g., SCSI, FC)
    behind the gateway, dealing with this is the
    responsibility of the gateway implementer.
    One possibility is to create an iSCSI target
    per target behind the gateway, another might
    be to do some sort of clever LUN mapping.
    
    --David
    ---------------------------------------------------
    David L. Black, Senior Technologist
    EMC Corporation, 42 South St., Hopkinton, MA  01748
    +1 (508) 435-1000 x75140     FAX: +1 (508) 497-8500
    black_david@emc.com       Mobile: +1 (978) 394-7754
    ---------------------------------------------------
    
    > -----Original Message-----
    > From:	Yoav [SMTP:yoavf@sancastle.com]
    > Sent:	Wednesday, June 27, 2001 9:59 AM
    > To:	Black_David@emc.com; ips@ece.cmu.edu
    > Subject:	Target selection in a multi-target TCP connection
    >
    > Hello David,
    >
    >  I hope you will consider this question:
    >    If several targets use the same TCP connection (in a gateway
    > application), how is the target selected in
    >      the Login process. Is it through Text command (maybe mapping the ISID
    > to a target name)?
    >
    >  Regards,
    > Yoav Flint
    > Systems Engineer
    > SANcastle
    > yoavf@sancastle.com
    >
    
    


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Last updated: Tue Sep 04 01:04:22 2001
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