Hi,
I'm also very keen on knowing this solution. I have decided to start using Roon and I would like to use the TwinStore together with other storage devices.
Can you please tell me what to do?

DSP8000.1's, 800v4, G68ADV, 218, MC200(1TB), TWINSTORE, QNAP TS-251, Meridian 505, Kef Ci200QL In Wall Centre, DSP3200's rear, Samsung UE65HU7500, Sony BDP-S790, Sky Q Silver, Michel Gyro SE with TecnoArm, Spectral Brick cabinet.
Spare; 596, 568.2mm.