are you able to ping host nic ips from MSA?
are you able to ping MSA host port ips from host/server ?
please the below links which may help,
http://h20628.www2.hp.com/km-ext/kmcsdirect/emr_na-a00038738en_us-1.pdf
https://community.spiceworks.com/topic/2106671-hp-msa-1040-not-discovering-host-ports
Hope this helps!
Regards
Subhajit
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