Solved!
Go to Solutionsmart zoning on cisco
Anybody uses smart zoning on cisco fabrics ? (new since 5.2.6)
Supposedly smart zones can have multiple initiators in a zone, but communication is only allowed initiator to target :
http://www.cisco.com/en/US/prod/collateral/ps4159/ps6409/ps5987/at_a_glance_c45-708533.pdf
or this blog :
Is it a good idea to replace the multiple single-initiator-single-target zones we have to deal with now, with one smart smart zone ?
