Storage control apparatus, storage control program, and...

Details Storage control apparatus, storage control program, and... Storage control apparatus, storage control program, and...

2011-08-16

2011-08-16

Krofcheck, Michael (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S154000, C711SE12103, C707S639000, C707S646000, C714SE11118

Reexamination Certificate

active

08001344

ABSTRACT:
Disclosed are a storage control apparatus, a storage control program, and a storage control method that collect the backup of storage data in units of generation at low cost.A storage control apparatus that creates a generation backup of a storage, comprising: a first copy section that creates a snapshot of at least one of all data stored in the storage at an indicated time point and difference data stored in the storage in an indicated time period; a second copy section that creates a mirror of at least one of all data stored in the storage and difference data stored in the storage in an indicated time period; and a controller that causes one of the first and second copy sections to copy all data stored in the storage and causes the other to copy difference data between generations stored in the storage.

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