Subject: questions on iSCSI draft

From: Subbu Subramaniam <[email-masked]>
Date: Fri, 16 Nov 2001 15:44:13 -0800 (PST)

Hi,

I am reading through the iSCSI draft, and a I have a
few questions. I would appreciate if someone
clarifies:

1. The default value of FirstBurstSize (amount of data
that can be included immediate with a commdn) is 128
units, and that of DataPDULength (amount of data in a
DATA-only PDU) is 16 units. If a target can accept 128
bytes of data immediately with a command, do we expect
 that the same target will only accept less number of
units in a later PDU? Why? Should the FirstBurstSize
not be less than DataPDULength and not vice versa?
(asme argument holds for initiator, since both can
specify this option).

2. If a target has sent more than one R2T PDUs, and
DataSequenceInOrder is "no", then can the initiator
interleave data between the two sequences? It seems
that the target should be able to distinguish between
the PDUs belonging to the two sequences using the
"Buffer Offset" field, and the spec does not prohibit
the initiator from sending two sequences
simultaneously. 

Thanks,

-Subbu

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