Storage management policies in a virtual data storage system

Details Storage management policies in a virtual data storage system Storage management policies in a virtual data storage system

2011-08-16

2011-08-16

Rojas, Midys (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S004000, C711S161000, C711S156000

Reexamination Certificate

active

08001339

ABSTRACT:
A virtual data storage system stores data as data objects to a plurality of storage devices in accordance with storage management policies. The system manages multiple copies of stored data objects on multiple media types over time. Storage pools define groups of media that are to be treated in a uniform manner. A policy is composed of a series of policy copy/delete rules that direct movement of data objects into the storage pools. A rule defines a destination storage pool, a length of time that the data objects are to remain in the destination storage pool, and a data source for the data objects. Copy and delete actions are performed to manage copies of data objects among the storage pools in accordance with the policy.

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