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SSD Spares for Read Caching

IP.com Disclosure Number: IPCOM000192665D
Original Publication Date: 2010-Jan-28
Included in the Prior Art Database: 2010-Jan-28

Publishing Venue

IBM

Abstract

In an Enterprise Storage Server there are many spare drives placed on the system as part of the design architecture. The number of spare drives used in an Enterprise Storage Server is dependent upon the architecture of the system. These spare drives simply sit idle or unused by the server until a drive in use goes bad. There is a need to better utilize system resources, including spare drives. There is also a need to expedite RAID rebuild times when a drive fails in order to restore redundancy before another drive fails.