Drive array apparatus, controller, data storage apparatus and method for rebuilding drive array

摘要

According to one embodiment, a drive array apparatus includes a plurality of data storage drives constituting a drive array and a controller. The controller divides all data storage areas of each of the data storage drives into a plurality of logical unit areas and associates and manages each of the logical unit areas and each of the data storage drives. The controller identifies a logical unit area of an error occurrence object based on a notification from a data storage drive where an error occurred, restores data of the identified logical unit area, and performs reconfiguration processing of the drive array.

主权项

1. A drive array apparatus comprising:
data storage drive; and a controller configured to
divide a data storage area of each of the data storage drives into a plurality of logical unit areas;store first information associating each of the data storage drives and each of the logical unit areas;identify a logical unit area of an error occurrence object based on a notification from an error occurrence data storage drive and the first information; andrestore data of the identified logical unit area.