Using virtual copies in a failover and failback environment

Details Using virtual copies in a failover and failback environment Using virtual copies in a failover and failback environment

2010-04-12

2011-11-15

Beausoleil, Jr., Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S006300

Reexamination Certificate

active

08060779

ABSTRACT:
Provided are a method, system, and article of manufacture for using virtual copies in a failover and failback environment. Updates are copied from a primary first storage at the primary site to a secondary first storage at the secondary site during system operations. A second storage is maintained at at least one of the primary and secondary sites. A failover is performed from the primary site to the secondary site after a failure at the primary site. The at least one second storage is used after recovery of the primary site to synchronize the secondary site to the primary site. Only updates made to the secondary site during the failover are copied to or from the at least one second storage in response to the recovery at the primary site.

REFERENCES:
patent: 5889935 (1999-03-01), Ofek et al.
patent: 6035412 (2000-03-01), Tamer et al.
patent: 6131148 (2000-10-01), West et al.
patent: 6446175 (2002-09-01), West et al.
patent: 6499112 (2002-12-01), Milillo et al.
patent: 6654912 (2003-11-01), Viswanathan et al.
patent: 6694447 (2004-02-01), Leach et al.
patent: 6728736 (2004-04-01), Hostetter et al.
patent: 6742138 (2004-05-01), Gagne et al.
patent: 6871271 (2005-03-01), Ohran et al.
patent: 6912629 (2005-06-01), West et al.
patent: 6941490 (2005-09-01), Ohran
patent: 6948089 (2005-09-01), Fujibayashi
patent: 7069400 (2006-06-01), Takeda et al.
patent: 7114094 (2006-09-01), Soejima
patent: 7124267 (2006-10-01), Morishita et al.
patent: 7146525 (2006-12-01), Han et al.
patent: 7188272 (2007-03-01), Bartfai et al.
patent: 7278049 (2007-10-01), Bartfai et al.
patent: 7287181 (2007-10-01), Thompson
patent: 7360113 (2008-04-01), Anderson et al.
patent: 7441145 (2008-10-01), Hiraiwa et al.
patent: 7457830 (2008-11-01), Coulter et al.
patent: 7461100 (2008-12-01), Spear et al.
patent: 7519851 (2009-04-01), Kitamura
patent: 7552358 (2009-06-01), Asgar-Deen et al.
patent: 7603581 (2009-10-01), Boyd et al.
patent: 7613749 (2009-11-01), Flynn et al.
patent: 7627729 (2009-12-01), Bartfai et al.
patent: 7627775 (2009-12-01), Kern et al.
patent: 7664983 (2010-02-01), Anderson et al.
patent: 7707372 (2010-04-01), Kumar et al.
patent: 2002/0188711 (2002-12-01), Meyer et al.
patent: 2004/0034808 (2004-02-01), Day, III et al.
patent: 2005/0071708 (2005-03-01), Bartfai et al.
patent: 2005/0081091 (2005-04-01), Bartfai et al.
patent: 0 724 223 (1996-07-01), None
W. Fischer, “Implementation of a Disaster Resilient Linux Cluster with Storage Subsystem Based Data Replication”, Thesis, Jun. 2004, pp. 1-76.
“Disaster Recovery with General Parallel File System”, IBM Corp., Aug. 2004, pp. 1-22.
R. Shanmugam, “Guidelines for Using IBM TotalStorage DS8000 Series for Oracle Database Snapshot Using the FlashCopy Advance Function”, IBM Corp., Jul. 2005, pp. 1-21.
PCT International Search Report and Written Opinion dated Jun. 3, 2008 Application No. PCT/EP2008/050032 filed Jan. 3, 2008.
EPC Communication pursuant to Article 94(3) EPC dated Oct. 30, 2009 for Application No. 08 707 825.9-2211.
Response dated Feb. 15, 2010 to EPC Communication pursuant to Article 94(3) EPC dated Oct. 30, 2009 for Application No. 08 707 825.9-2211.
China Office Action dated Mar. 2, 2011 for 20088000177.5.
“Information Materials for IDS”, for China Office action dated Mar. 2, 2011.
“Information Materials for IDS”, for Korean Office action dated Jan. 12, 2011.

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