I have tested successfully OpenSolaris SUN ndmp with mhvtl-0.18-1 via iSCSi.
See my post here on how to preset mhvtl via iSCSI: viewtopic.php?f=23&t=47
I have found this doc on the internet which helped me thru the steps to setup both SUN NDMP and Networker also. See attachment below.
To install/activate ndmp on OpenSolaris, do the following:
Verify that ndmp sees mhvtl:
I used EMC Networker to perform ndmp dump backups:
Here is a NDMP Networker Recover operation: