An apparatus, system, and method are disclosed for global metadata copy
repair. The apparatus includes a control module for copying global
metadata from primary storage to target storage, a verification module
configured to identify invalid track in the global metadata, a location
module configured to maintain a current read address, and a read module
configured to find a valid copy of the invalid track. The system includes
a plurality of hosts, a storage controller in communication with the
plurality of hosts over a network, a primary storage device, a target
storage device, and the apparatus. The method includes copying global
metadata from a primary storage device to a target storage device,
identifying invalid track in the global metadata of the primary storage
device, maintaining a current read address of a buffer read, and finding
a valid copy of the invalid track.