Storage management system with integrated continuous data...

Details Storage management system with integrated continuous data... Storage management system with integrated continuous data...

2007-08-08

2010-11-30

Al-Hashemi, Sana (Department: 2156)

Data processing: database and file management or data structures

Garbage collection

C707S707000, C707S708000, C707S814000

Reexamination Certificate

active

07844643

ABSTRACT:
A storage control system is adapted to operate as a primary of a remote copy pair by communicating with a secondary of the remote copy pair, and comprises: an I/O receiving component for receiving read and write commands; a continuous data protection component operatively coupled to the I/O receiving component for maintaining a continuous data protection journal; the continuous data protection journal operable to retain write I/O data items for access by subsequent read commands and to roll back the data at the primary of the remote copy pair; a remote copy controller component adapted to read the write I/O data item from the continuous data protection journal; and a remote copy transmission component operatively coupled to the remote copy controller component to transmit the write I/O data item to the secondary of the remote copy pair.

REFERENCES:
patent: 6353878 (2002-03-01), Dunham
patent: 7389300 (2008-06-01), Shah et al.
patent: 2005/0251540 (2005-11-01), Sim-Tang
patent: 2007/0011213 (2007-01-01), Burton et al.

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