Hi,
Wanted you to clarify the expected behavior of LIO when a command
(Read10) is issued with ExpectedDataTransferLength larger than Max Burst
Size.
What i see is that, in the response Data-In PDUs the F bit is getting
set in PDU which is not the last Data-In PDU.
All other aspects seem to be fine the Data-sn is incrementing properly.
But i see multiple Data-in PDUs with F bit set getting received.
But RFC states F bit to be set in the Final Data-in PDU only.
FYI,
I am issuing a READ10 command with the following
ExpectedDataTransferLength = 5120,6144 and 8192. I am observing the same
behavior in all cases.
other parameters negotiated
MaxRecvDataSegmentLength=512
MaxBurstLength=4096
ImmediateData=No
MaxOutstandingR2T=1
DataSequenceInOrder=Yes
InitialR2T=Yes
DataPDUInOrder=Yes
DefaultTime2Retain=20
The LIO target details are as follows:
kernel : 3.10.13-101.fc18.x86_64 #1 SMP(Fedora 18)
rpm -qa | grep target
scsi-target-utils-1.0.38-1.fc18.x86_64
selinux-policy-targeted-3.11.1-66.fc18.noarch
targetcli-2.1.fb30-1.fc18.noarch
Regards,
Santosh
Senior Development Engineer
Calsoft Inc.
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