It sounds like you need to understand the basics a little. Please read the TR guide for snapmirro as well as the data-protection guide for the platform you are on to get a better understanding of how things work.
Unless QSM is required, we steer away from it and do volume based replication (VSM) with snapmirror. You do not need snap restore, you just need to understand the concepts of snapmirror .
And if you are using vfilers, you should focus on using vfiler-dr