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7627687 |
Methods and apparatus for managing data flow in a continuous data replication system having journaling
Method and apparatus to provide a data replication system to receive a data transfer request from a first component at a transmitter module in a continuous data replication system having a...
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7577871 |
Computer system and method having isolatable storage for enhanced immunity to viral and malicious code infection
An apparatus and method of supporting the backup and recovery of a computing device. The computing device typically includes both a user computing environment and a supporting environment which...
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7577867 |
Cross tagging to data for consistent recovery
A system for consistent data recovery, including a storage area network (SAN) of initiator nodes and target nodes, wherein initiator nodes issue I/O requests and target nodes respond to I/O...
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7577829 |
System and method for maintaining multiple information handling system configuration images
Plural information handling system configuration setting restore points stored in non-volatile memory are selectable by an end user for use in booting an information handling system. For example,...
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7574268 |
Modular control system with terminal and function modules
A modular control system, which is constructed from terminal modules and function modules to fit these, for use in industrial automation in particular is provided. With the known embodiments, which...
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7552148 |
Shutdown recovery
Aspects of the subject matter described herein relate to shutdown recovery for resource replication systems. In aspects, a mechanism is described in which a machine having replicated data thereon...
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7536591 |
Transparent checkpointing and process migration in a distributed system
A distributed system for creating a checkpoint for a plurality of processes running on the distributed system. The distributed system includes a plurality of compute nodes with an operating system...
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7512637 |
Storage system and undo processing method
A storage system and an undo processing method that can facilitate undo processing for configuration change operations that have been performed for storage apparatuses by different administrators....
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7490327 |
System and method for programmatic distributed transaction commit prioritization mechanism
The present invention provides a method for optimizing the processing of backend transactions. The method operates by identifying a transaction group comprising related transactions for processing...
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7487394 |
Recovering from abnormal interruption of a parity update operation in a disk array system
Data associated with the state of a parity update operation in a disk array system such as a RAID-6 system is stored during performance of the operation so that, in the event the operation is...
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7484216 |
System and method for decoupling space reservation in transactional logging systems
A common logging system (a “virtual logging system”) that presents to one or more log clients the appearance that each log client is interacting with a dedicated logging system. In reality, the...
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7480775 |
Method and apparatus for block-oriented memory management provided in smart card controllers
A method for memory management in smart card controllers by writing of data into a data space in a persistent memory is described. In order to save memory space the persistent memory is split into...
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7472138 |
System and method for handing input/output errors during recovery of journaling files in a data processing system
A system and method in a data processing system for recovering data in a file system. A request to modify a data block in the file system is detected. In response to detecting the request to modify...
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7467330 |
System and method for journal recovery for multinode environments
A system and method are disclosed for providing journal recovery in a multi-node environment which comprises determining whether a block was updated by a first node; determining whether the block...
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7437525 |
Guaranteed undo retention
Techniques are provided for guaranteed undo retention. The techniques include a database server attempting to store undo information in undo storage. In order to store the undo information, the...
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7430740 |
Process group resource manager
A process group resource manager for managing protected resources during transaction processing is disclosed. The process group resource manager comprises a first process configured to provide...
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7418460 |
Method and system for enabling undo across object model modifications
A method and system provides reversibility of an operation performed by a user of an application program and associated with a modification to an object model of the application program, such as a...
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7398422 |
Method and apparatus for data recovery system using storage based journaling
A storage system maintains a journal and a snapshot of one or more data volumes. Two journal entry types are maintained, an AFTER journal entry and a BEFORE journal entry. Two modes of data...
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7392428 |
Method and system for recovering from abnormal interruption of a parity update operation in a disk array system
Data associated with the state of a parity update operation in a disk array system such as a RAID-6 system is stored during performance of the operation so that, in the event the operation is...
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7383466 |
Method and system of previewing a volume revert operation
Described is a revert preview mechanism, which gives the user a chance to temporarily remount a storage volume with the contents of a shadow copy, and then evaluate the computer system as if...
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7370203 |
Method for indivisibly modifying a plurality of sites in a microcircuit card non volatile memory, in particular a contactless card
A method of connecting a card to a terminal including the following steps: a) on receiving corresponding respective commands from the terminal, it modifies the contents of the card memory by...
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7363540 |
Transaction-safe FAT file system improvements
Concepts for enhancing operation of transaction-safe file allocation table systems are described. The concepts include writing a file to non-volatile memory media and rendering an update of file...
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7343467 |
Method to perform parallel data migration in a clustered storage environment
A clustered storage array consists of several nodes coupled to one or more storage systems. The nodes provide a LUN-device for access by a client, the LUN-device mapping to a source logical unit...
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7337359 |
System and method for recovering a device state
In one embodiment, a system and a method for recovering a device state related to detecting the installation of an application on a computing device, identifying information that pertains to the...
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7313726 |
Operating system and data protection
The disclosed systems and methods provide for the protection of protected memory, for example, a hard disk, in a computer system. The systems and methods are configured to re-direct read and write...
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7299378 |
Geographically distributed clusters
A method and apparatus for mirroring data between a plurality of sites is provided. At a first site of the plurality of sites, a record is maintained that identifies which changes made to one or...
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7283260 |
Apparatus and method for restoring current parameters and/or values
Techniques for restoring parameters and/or values include determining a set of one or more parameters and/or values to be accessed by a user and that are stored in a first memory location,...
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7266722 |
System and method for efficient lock recovery
A system and method are disclosed for providing a system and method for an efficient lock recovery. In one embodiment of the present invention, a multiple node networked system shares a resource...
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7246160 |
Computer monitoring system, computer monitoring method and computer monitoring program
A computer monitoring system in which a management console and a plurality of computers are connected to each other via a communication path, the plurality of computers constitute one or more...
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7240241 |
Backup method and storage control device using the same
The present invention provides a backup method for a storage control device that instructs a storage device to split a primary volume and a copy volume in the storage device, and to execute a...
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7216254 |
Method and system of providing a write-accessible storage checkpoint
A method and system of providing a write-accessible storage checkpoint is disclosed. According to one embodiment of the present invention, a first writable storage checkpoint is associated with a...
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7206961 |
Preserving snapshots during disk-based restore
The present invention provides a method for providing snapshots of data at different times and for performing rollbacks to a selected snapshot that does not result in any subsequent snapshots being...
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7203866 |
Method and apparatus for a programming language having fully undoable, timed reactive instructions
A method and apparatus for providing an undoable programming language. More specifically the present invention relates to providing a fully undoable programming language, where the language...
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7197665 |
Physical incremental backup using snapshots
A backup apparatus and method suitable for protecting the data volume in a computer system function by acquiring a base state snapshot and a sequential series of data volume snapshots, the...
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7188220 |
Method and system for managing the contents of an event log stored within a computer
Methods and systems for utilizing and recording, writing, or logging data regarding system events occurring within a computer are provided. These systems and methods define a unique erased value,...
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7139883 |
Transactional file system for flash memory
A transactional file system developed to function with flash memory is described. The file system provides for efficient storage of file system meta-information, performs robust transaction...
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7124323 |
Method, system, and program for recovery of a reverse restore operation
Disclosed is a technique for processing interruption of an operation that transfers data between a source and a target. An indication that a reverse restore operation has been interrupted is...
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7111197 |
System and method for journal recovery for multinode environments
A system and method are disclosed for providing journal recovery in a multi-node environment which comprises determining whether a block was last updated by a first node; determining whether the...
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7096381 |
On-the-fly repair of a computer
An apparatus and method of supporting the backup and recovery of a computing device. The computing device typically includes both a user computing environment and a supporting environment which...
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7082551 |
Method and data processing system providing checkpoint/restart across multiple heterogeneous computer systems
Bulk data is read or written by an application on a first computer system to a file on a second heterogeneous computer system. Alternatively it is read or written as bulk data directly between...
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7069401 |
Management of frozen images
A method, system, and computer program product that enable integrated scheduling and management of frozen images for backup and recovery purposes. Frozen images are created, cataloged, and managed...
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7047376 |
Backup system and method and program
A remote site stores data received from a currently-used site and transfers the stored data to a proximal site. The proximal site stores the data received from the remote site and transfers the...
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7036044 |
Identifying appropriate undo during a forward pass through a log
The location of appropriate undo data necessary for reversing an effect of an operation performed at a computer system is identified during a forward pass through a log. A cycle count can be used...
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7003695 |
Undo/redo algorithm for a computer program
A method of tracking modifications of specific program objects during the runtime of a computer program, facilitates the creation of general UnDo and ReDo operations, as well as the support of an...
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6983395 |
Multi-agent cooperative transaction method and system
A method and system for processing multi-agent cooperative transactions. A failure detector is provided for detecting whether a failure is an intra-enterprise failure or an inter-enterprise...
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6961865 |
Techniques for resuming a transaction after an error
Techniques for executing an atomic transaction include performing a first operation of a first set of operations. The atomic transaction involves the first set of operations for causing changes to...
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6957359 |
Data processing apparatus and data processing method
If an incidental interruption of power supply occurs in a system, an apparatus and method is provided that a status immediately before the interruption of power supply can be stored. A request for...
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6934826 |
System and method for dynamically allocating memory and managing memory allocated to logging in a storage area network
Methods for allocating memory for logging data written by a host computer to a source virtual disk and for managing memory allocated to a data log, in a data storage system adapted to maintain...
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6928513 |
System and method for managing data logging memory in a storage area network
A data storage system adapted to maintain redundant data storage sets at a destination location(s) is disclosed. The data storage system establishes a copy set comprising a source volume and a...
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6892320 |
Method and apparatus for providing multiple-version support for highly available objects
One embodiment of the present invention provides a system that supports multiple versions of highly available objects. A highly available object is a primary object and one or more secondary...
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