At a minimum, plan to use the Move Volume utility when contending system activity is low.
When planning to use the Move Volume utility, the same considerations used for planning the number of OSMC storage group management cycles to run concurrently apply. The Move Volume utility is a long-running process that requires a drive for reading and at least one drive for writing for its duration. You might have to tune your existing implementation of OAM for these considerations using the MAXS and or DRIVE STARTUP threshold, or both controls.