Data recovery with internet protocol replication with or...

Details Data recovery with internet protocol replication with or... Data recovery with internet protocol replication with or...

2007-09-25

2007-09-25

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C707S793000, C707S793000

Reexamination Certificate

active

10603951

ABSTRACT:
In an asynchronous remote copy system, a primary site keeps a list of data blocks for which changes have been made to a primary file system and transmitted to a secondary file system at a secondary site. When the primary site becomes inoperative, the secondary site begins read/write access to the secondary file system and keeps a snapshot copy of the restart point. Once the primary site becomes operative, the primary file system is restored to the state of the secondary file system at the restart point by using the list of data blocks for obtaining from the snapshot copy the data of the blocks for which changes had been made to the primary file system after the restart point. Then the primary file system is synchronized to the secondary file system, and read/write access is switched back from the secondary file system to the primary file system.

REFERENCES:
patent: 5434994 (1995-07-01), Shaheen et al.
patent: 5596706 (1997-01-01), Shimazaki et al.
patent: 5615329 (1997-03-01), Kern et al.
patent: 5835953 (1998-11-01), Ohran
patent: 5870764 (1999-02-01), Lo et al.
patent: 5873116 (1999-02-01), Van Fleet
patent: 5893140 (1999-04-01), Vahalia et al.
patent: 5901327 (1999-05-01), Ofek
patent: 5974563 (1999-10-01), Beeler, Jr.
patent: 6016501 (2000-01-01), Martin et al.
patent: 6029175 (2000-02-01), Chow et al.
patent: 6035412 (2000-03-01), Tamer et al.
patent: 6052797 (2000-04-01), Ofek et al.
patent: 6076148 (2000-06-01), Kedem
patent: 6101497 (2000-08-01), Ofek
patent: 6353878 (2002-03-01), Dunham
patent: 6434681 (2002-08-01), Armangau
patent: 6496908 (2002-12-01), Kamvysselis et al.
patent: 6502205 (2002-12-01), Yanai et al.
patent: 6549992 (2003-04-01), Armangau et al.
patent: 6654912 (2003-11-01), Viswanathan et al.
patent: 6691245 (2004-02-01), DeKoning
patent: 6694447 (2004-02-01), Leach et al.
patent: 6941490 (2005-09-01), Ohran
patent: 6948089 (2005-09-01), Fujibayashi
patent: 2003/0217119 (2003-11-01), Raman et al.
patent: 2004/0030727 (2004-02-01), Armangau et al.
patent: 2004/0030846 (2004-02-01), Armangau et al.
patent: 2004/0030951 (2004-02-01), Armangau et al.
patent: 0 672 985 (1995-09-01), None
patent: 0 674 263 (1995-09-01), None
Wikipedia (file system) en.wikipedia.org/wiki/File—system.
Uresh Vahalia,UNIX Internals: The new frontiers, Chapter 9, “File System Implementations”, Prentice-Hall, Inc., Upper Saddle River, New Jersey, 1996, pp. 261-289.
D.L. Burkes and R.K. Treiber, “Design Approaches for Real-Time Transaction Processing Remote Site Recovery,” Digest of Papers in Spring COMPCON90, Feb. 26-Mar. 2, 1990,Thirty-Fifth IEEE Computer Society International Conference, San Francisco, CA, pp. 568-572.
“Network Data Management Protocol (NDMP),” http://www.ndmp.org/info/; NDMP White Paper, http://www.ndmp.org/info/technology/wp.html; “Protocol Specification Summary, Document Version: 1.7.2S,” http://www.ndmp.org/info/spec—summary.html; “Legato Systems Embraces the NDMP Standard: Legato Networker Software to be NDMP Compliant in Q3,” http://www-ftp.legata.com/News/Press/PR209.html; published at least as early as Oct. 11, 1999, 17 pages.
R. Stager and D. Hitz, Internet Draft filename “draft-stager-iquard-netapp-backup-05.txt,”Network Data Management Protocol(NDMP), last update Oct. 12, 1999, pp. 1-73.
Koop, P., “Replication at Work. (four companies use Oracle and Sybase replication servers to solve business problems),” DBMS, vol. 8, No. 3, p. 54(4), Mar. 1995.
Remote Mirroring Technical White Paper, Copyright 1994-2002 Sun Microsystems, published at least as early as May 17, 2002 at sun.com, 25 pages.
EMC TechNote: Celerra Replicator, EMC Corporation, Hopkinton, MA, Oct. 2002 (5 pages).
EMC TimeFinder Product Description Guide, EMC Corporation, Hopkinton, MA, 1998, pp. 1-31.
Levaraging SnapView/IP in Oracle8i Environments with the CLARiiON IP4700 File Server, Engineering White Paper, EMC Corporation, Hopkinton, MA, Feb. 13, 2002, pp. 1-16.
Using EMC CLARiiON FC4700 and SnapView and Oracle 8i, Engineering White Paper, EMC Corporation, Hopkinton, MA, Mar. 4, 2002, pp. 1-22.
Disaster Recovery Guidelines for using HP SureStore E XP256, Continuous Access XP with Oracle Databases Rev 1.03, Hewlett-Packard Company, Palo Alto, CA, May 2000, pp. 1-28.
Enterprise Volume Manager and Oracle8 Best Practices, Compaq White Paper, Compaq Computer Corporation, Dec. 1999, pp. 1-11.
VERITAS Database Edition for Oracle, Guidelines for Using Storage Checkpoint and Storage Rollback with Oracle Databases, Veritas Software Corporation, Mountain View, CA, Aug. 2001, pp. 1-16.
VERITAS Volume Replication and Oracle Databases, A Solutions White Paper, Veritas Software Corporation, Mountain View, CA, May 29, 2000, pp. 1-31.
Nabil Osorio and Bill Lee, Guidelines for Using Snapshot Storage Systems for Oracle Databases, Oracle Corporation, Oct. 2001, pp. 12.

Affiliated with

Also associated with

Rating

Data recovery with internet protocol replication with or... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Data recovery with internet protocol replication with or..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Data recovery with internet protocol replication with or... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3798200