Data storage system for fast reverse restore

Details Data storage system for fast reverse restore Data storage system for fast reverse restore

2011-08-23

2011-08-23

Stevens, Robert (Department: 2162)

Data processing: database and file management or data structures

File or database maintenance

Database recovery

C707S679000, C707S681000

Reexamination Certificate

active

08005800

ABSTRACT:
Techniques are provided for performing a copy operation. A fast reverse restore command indicating a new source and a new target is received, wherein the new source is an original target and the new target is an original source. A synchronous scan is performed on the new target. A new target structure associated with the new target is updated using a new source structure associated with the new source. Techniques are also provided for performing a copy operation in which a fast reverse restore command is received after an instant virtual copy has been performed from a new target to a new source and wherein the fast reverse restore command is performed before a background copy has been performed by the instant virtual copy.

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