Generating storage reports using volume snapshots

Details Generating storage reports using volume snapshots Generating storage reports using volume snapshots

2005-04-15

2009-06-16

Mizrahi, Diane (Department: 2617)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

07548939

ABSTRACT:
Described is a method and system by which storage reports are generated from a volume snapshot set, rather than from a live volume. A volume snapshot set includes a representation or copy of a volume at a single point in time. By scanning the snapshot, a consistent file system image is obtained. Scanning may take place by enumerating a volume's directories of files, or, when available, by accessing a file system metadata of file information (e.g., a master file table) separately maintained on the volume. With some (e.g., hardware-based) snapshot technologies, the snapshot can be transported to another computing system for scanning by that other computing system, thereby avoiding burdening a live system's resources when scanning. Accurate and consistent storage reports are thus obtained at a single point in time, independent of the number of volumes being scanned.

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Netbackup 4.5 (Feature Pack 3) Backing Up Open Files: The Veritas Volume Snapshot Provider htt;://eval.veritas.com/downloads/edu/instructor—articles—052003.pdf.
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