Le jeudi 5 février 2015 10:11:17 UTC+1, Nicolas Ecarnot a écrit :
>
>
> Could you take a tcpdump/wireshark trace when you run this experiment? 
>>
>
> OK, this is what I'm doing at present (Stay tuned).
> But I'm not a rocket scientist in tcpdumping, my usage with it is pretty 
> basic usually.
>

OK, I did the exact same tests, while recording a trace with tcpdump and 
reading it with wireshark (I told you I wasn't comfortable with it...).

I first run the discovery, and I can see some tcp syn/ack going well, then 
the iSCSI protocol being used, and the login + answer contains informations 
that are looking good (both IQNs of the SAN, correct).
I then wait for a moment (just to ease searching through the timestamps) 
then run the login.
At this point, I see some SYN/ACK activity, but NO iSCSI protocol used 
anymore. It sounds strange.

Then I interrupt the action.

You may find the tcpdump trace here : 
http://www.ecarnot.net/tmp/20150205-01-em3.tcpdump

Next step for me : I'll try the same from a server that is working good, 
and compare the traces.

-- 
Nicolas Ecarnot

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