Good news everyone
IBM send me a ifix(build 75.3.1303080005, note the available version from IBM site is 75.3.1303080000) for the 6.4.1.4 firmware level for the storwize v7000.
And I must say it works like a charm, now I can test with success all replicated volumes.
SRM 5.02 (5.0.2.4655)
VCENTER build 913577
vSphere Hosts: 5.0 build 914586
V7000 Firmware level with IFIX PATCH: 6.4.1.4 Build: 75.3.1303080005
You must ask IBM support for this fix, it is not available on the IBM download site.