Re: iSCSI query

[julian_satran@il.ibm.com]

Mark,

Sorry for the delayed answer.

1. A response with iSCSI status nonzero

2a. same as 1 - sense will contain details

2b. a command with iSCSI errors will not reach execution

3. There are no more document but (I hope!) next version of the draft
     will have more information. Also the archives of this mailing list if
you have the patience
     to go through them until you reach paydirt

Julo

Mark Burton <markb@ordern.com> on 24/09/2000 17:13:54

Please respond to Mark Burton <markb@ordern.com>

To:   satran@haifa.vnet.ibm.com
cc:    (bcc: Julian Satran/Haifa/IBM)
Subject:  iSCSI query





Hello Julian,

I am reading the July 10, 2000 edition of draft-satran-iscsi-01.txt
with view to implementing an iSCSI target.

I would be very grateful if you could clarify these points.

1 - Near the end of the second paragraph of section 2.2.2 (Ordering
    and iSCSI numbering) it says "The target will reject any command
    outside this range ..." How is the fact that the command has been
    rejected conveyed to the initiator?

2 - More generally, how are errors at the iSCSI level communicated to
    the initiator? The only error-like response seems to be
    OpcodeNotUnderstood.

2 - Section 3.3.4 (iSCSI Status) says "The iSCSI Status field is used
    to report the status of the command before it was sent by the
    target to the LUN ..." Does an iSCSI Status = 1 always imply that
    the command in question has not been sent to the target because
    the iSCSI layer has detected a problem with the iSCSI command
    block?

3 - What is the format of the iSCSI sense data and what are the
    currently defined error codes.

4 - I have your document and the iSCSI requirements document. Are
    there any other iSCSI documents (or sources of information) that
    are available for implementors?

Thanks,

Mark