Re: iSCSI: SendTargets in login or FFP?

["Eddy Quicksall" <ESQuicksall@hotmail.com>]

I missed the new "iSCSI session types" in the new spec. Nauty me ... :>)

I'll study that.

Thanks,

Eddy

----- Original Message -----
From: "Julian Satran" <Julian_Satran@il.ibm.com>
To: <ips@ece.cmu.edu>
Sent: Tuesday, July 24, 2001 5:13 AM
Subject: Re: iSCSI: SendTargets in login or FFP?


> Eddy,
>
> SendTargets can be used in both discovery session and normal session.
> Would you please clarify when you think this restriction should apply?
>
> Julo
>
> "Eddy Quicksall" <EQuicksall@mediaone.net> on 24-07-2001 04:15:56
>
> Please respond to "Eddy Quicksall" <EQuicksall@mediaone.net>
>
> To:   Julian Satran/Haifa/IBM@IBMIL, ips@ece.cmu.edu
> cc:
> Subject:  iSCSI: SendTargets in login or FFP?
>
>
>
>
> The spec says:
>
>   An initiator can log into this default target [iSCSI]
>   name, and use a command called "SendTargets" to retrieve a list of
>   iSCSI targets that exist at that address
>
> I assume this means the SendTargets would be used in Full Feature Phase
...
> the initiator would login using TargetName=iSCSI. That would get into FFP
> and then the initiator would use SendTargets= to get the list of targets.
> Then, login again with the appropriate target.
>
> The spec says:
>
>   In full feature phase the initiator may send SCSI
>   commands and data to the various LUs on the target by wrapping them
>   in iSCSI PDUs that go over the established iSCSI session.
>
> That means the target has to do something if a CDB is received to the
iSCSI
> canonical target. The spec doesn't give any suggestions here. I am
assuming
> the target would give a reject PDU with a reason of "Protocol Error" (code
> 5).
>
> Do you agree that this is what should happen?
>
> We shouldn't require that the target enter FFP when it would not be valid
> to
> send a CDB. I think SendTargets should be done only at LO or IO time and
> that iSCSI should not get you into FFP. That would simplify coding.
>
>
> Eddy_Quicksall@iVivity.com
>
>
>
>
>