Ca, Inc.

Computer Associates Think, Inc.

Victor Liu

Haiyang Zhang

Xiaopin Wang

Zhenghua Xu

Hailin Peng

Lei Huang

Shaorong Li

Peter Hailin Peng

Jinqiang Wang

During a synchronization phase of a replication process, a master server generates and saves a shadow copy of predefined files to one or more replica servers so as to synchronize the files on both servers. Thereafter, during a replication phase of the replication process, the master server supplements the shadow copy with copies of individual files that have been modified. Each replica server is associated with a filter that controls which of the modified individual files, if any, is sent from the master server to that replica server for storage.

System and method for filtering files during data replication

A method includes identifying a first boot configuration type for a disk image. The disk image includes a master boot record and a disk partition. The disk partition comprises a volume boot record. The master boot record comprises first instructions for loading an operating system, and the volume boot record comprises second instructions for loading the operating system. The method further includes receiving an input indicative of a second boot configuration type. The method also includes modifying the disk image to use the second boot configuration type to load the operating system by modifying the first instructions and the second instructions.

Modifying disk images

A system and method is provided for providing assured recovery for a distributed application. Replica servers associated with the distributed application may be coordinated to perform integrity testing together for the whole distributed application. The replica servers connect to each other in a manner similar to the connection between master servers associated with the distributed application, thereby preventing the replica servers from accessing and/or changing application data on the master servers during integrity testing.

Mechanism to provide assured recovery for distributed application

A method and system for protecting computer system state in one aspect generates signatures associated with system dump data, compares the signatures with those of the previous system dump data. Only those system dump data whose signatures are different from the previous dump are transferred for storing.

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Beijing, China

Victor Liu