Coherently sharing any form of instant snapshots separately...

Details Coherently sharing any form of instant snapshots separately... Coherently sharing any form of instant snapshots separately...

2011-08-16

2011-08-16

Yu, Jae U (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S161000, C714S005110, C714S006130

Reexamination Certificate

active

08001347

ABSTRACT:
A computer system that implements a method for creating a virtual snapshot of a first storage object. A first storage object such as a data volume is created, wherein creating the first storage object includes creating a first storage object description. This first storage object description relates the first storage object to underlying first storage objects or first physical memory regions. After creating the first storage object, a virtual copy of the first storage object is created as a second storage object. Creating the second storage object includes creating a second storage object description, wherein the second storage object description relates the second storage object to the first storage object. The first storage object is transmitted to a first computer system, and the second storage object description is transmitted to a second computer system.

REFERENCES:
patent: 6222558 (2001-04-01), Berg
patent: 2005/0154845 (2005-07-01), Shackelford et al.

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