Multiple Storage protocols are available (iser,srp,nvmeof,nfsovrdma) though some protocols my not be supported based on the OS/Kernel/Driver implemented (Mellanox OFED Driver).
The RN of our driver needs to be consulted in order to have a clarification about the OS/Kernel/Protocols supported.
Can you please provided additional information on your current deployed environment?
OS/Kernel/Driver version on the initiator side & target side
Any virtualization? If yes, SRIOV or PV as well as the OS/Kernel/Driver on the VM's
What is the backend Storage device vendor & model?
For all related Oracle Solaris questions, please refer to Oracle as we do not provide a driver for Solaris.