Optimizing information lifecycle management for fixed storage

Details Optimizing information lifecycle management for fixed storage Optimizing information lifecycle management for fixed storage

2011-08-23

2011-08-23

Yu, Jae U (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S133000, C711S154000, C711S171000

Reexamination Certificate

active

08006038

ABSTRACT:
The method may query the disk drive for a size where size may be a total number of logical blocks on the disk drive. The drive may receive a size response where the size includes a total number of logical blocks on the disk drive. The number of usage blocks necessary to represent the number of logical blocks on the disk drive may then be determined and usage data may be stored in the usage blocks. The data may be stored in the buffer of the disk drive. The data may also be stored in the DDF of a RAID drive. The data may be used to permit incremental backups of disk drives by backing up only the blocks that are indicated as having been changed. In addition, information about the access to the drive may be collected and stored for later analysis.

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