Patent №
US 7,546,412
Granted
2009-06-09
Filed 2005
Owner
INTERNATIONAL BUSINESS MACHINES CORPORATION
Lab
AI components
1
planning
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
11292646
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.
AI classification
Ownership
INTERNATIONAL BUSINESS MACHINES CORPORATION
assignment · 171840513
Assignors
AHMAD, SAID ABDULLAH, FRONDOZO, RHEA REYES, LOVRIEN, KURT ALLEN, SHEPPARD, JACOB LEE
On an employer assignment, the assignors are typically the inventors.