| 摘要 |
The present invention provides a method, an apparatus, and a system for issuing a partition balancing subtask, which are applied to a controller. The controller and at least two nodes form a storage system. After receiving a second partition balancing task, the controller generates a second partition balancing subtask set, where the second partition balancing subtask set includes at least one partition balancing subtask, and each partition balancing subtask records: a migration partition, a node to which the migration partition belongs, and a destination node; searches a current partition balancing subtask set, and deletes a repeated partition balancing subtask between the second partition balancing subtask set and the current partition balancing subtask set; and issues remaining partition balancing subtasks after the repeated partition balancing subtask is deleted to the destination node recorded in each partition balancing subtask. The present invention may be used to implement migration of a partition between nodes. |
