Subject: RE: [Ips] Behavior of iSCSI initiator , in case of Data-Out PDU Digest Error ?

From: "Ramesh Mangamuri" <[email-masked]>
Date: Mon, 23 Feb 2004 09:58:24 -0800

Section 6.2.1 of Spec says that "Retry of Commands MUST NOT be used for
reasons other than plugging command sequence gaps." So I believe that
you no need to retry the command from iSCSI driver for this case. Is
this correct folks?

-----Original Message-----
From: Naveen Burmi [mailto:[email-masked]] 
Sent: Monday, February 23, 2004 3:57 AM
To: [email-masked]
Subject: [Ips] Behavior of iSCSI initiator , in case of Data-Out PDU
Digest Error ?

Need some clarification on the behavior of iSCSI initiator under the 
following condition:

One of the data PDUs received by the target fails to pass Data Digest
Check. 
The target (542x) rejects the Data PDU with reason code Data Digest
Error. 
The target eventually terminates the task with a response PDU with a
CHECK 
CONDITION Status and an iSCSI Condition of "protocol service CRC error".

Are we allowed to retry the command within the iSCSI driver?
If yes, does the CmdSN, itt need to be the same?

Thanks,
Naveen.

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