Did you change the serial number of one of the sims? The simulators have identical serial numbers and this breaks things like VSM on the sims until you change one of them to have a different serial number.
The fractional reserve is 100 ? please remove this . Restrict the volume once again .Ensure the size of destination volume is => source volume .Run the > snapmirror initialize -S srcvolume destinationfiler:destinationvolume
One thing I missed that is your source volume has fractional reserve set to 100 .Please check if that is set to 100 then its fine to have on destination volume . Yes fractional reserve is different then snap reserve . Fractional reserve is used in SAN volumes to ensure space reservation for lun