20130185531, Jul 18, 2013
Shunji Kawamura - Los Gatos CA, US
711162, 711154, 711E12002
Systems and methods described herein are directed to determining a partial migration plan to execute based on a policy. In situations where the performance of the virtual volumes is insufficient, the virtual volume should be migrated to a different storage pool or have high-performance media added to its current storage pool. A management program creates several migration plans for execution, which may include more than one partial migration plans. The plans may indicate the original storage subsystem, the target storage subsystem and a number of pages. The management program selects one of the plans, and proceeds to execute the selected plan.