Virtual storage drive management in data storage system

摘要

Problem to be solved: to provide a computer program product, system and method for virtual storage drive management in a data storage system.In one embodiment, a virtual storage drive is assigned to the RAID array such that two virtual storage drives of the RAID array are not mapped to the same physical storage drive.In another aspect, the error processing routine is limited to a virtual storage drive that is affected by the error in the physical storage drive such that the virtual storage drive of the physical storage drive that is not affected by the error is bypassed.In yet another embodiment,Cache action to target virtual storage driveCaching operations for a group of virtual storage drives mapped to the same physical storage drive as the target virtual storage drive and the restriction imposed on the cache operation for the target RAID array assigned the virtual storage drive Can be adjusted as both functions with separate limitations of throttle.Other features and aspects may be implemented in accordance with particular application fields.Diagram