Re: iSCSI - Change Proposal X bit

[Santosh Rao <santoshr@cup.hp.com>]

Santosh Rao wrote:

> Rule 1)
> The CmdSN management rules at the target should be handling CmdSN wrap
> case and the initiator cannot issue more than 2^32 -1 commands beyond
                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
The above should read " more than 2^31 - 1 commands beyond ......."


> the last ExpCmdSN update it has received from the target, since the
> target MUST NOT transmit a MaxCmdSN that is more than 2**31 - 1 above
> the last ExpCmdSN. (per Section 2.2.2.1)
> 
> Rule 2)
> Any holes that occur in the CmdSN sequence are attempted to be plugged
> by the initiator by re-issuing the original command. If the CmdSN never
> got acknowledged and the I/O's ULP timeout expired, the initiator MUST
> perform session recovery. (per Section 8.6)


-- 
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Santosh Rao
Software Design Engineer,
HP-UX iSCSI Driver Team,
Hewlett Packard, Cupertino.
email : santoshr@cup.hp.com
Phone : 408-447-3751
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