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7334098 |
Producing a mass storage backup using a log of write commands and time information
Computer systems may lose data when a failure occurs within a system. To counteract such loss of data a backup system may be employed. Common backup systems make a copy of either of the data on a...
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7334085 |
Method and apparatus for full and partial storage of data records in an electronic device
A method for memory management in an electronic device includes receiving partial content data records at the electronic device, storing the partial content data records in a memory of the...
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7330947 |
Method and apparatus for backing up data in virtual storage medium
A backup method, a backup apparatus, a program for executing a backup operation, and a recording medium for storing the program are disclosed for high-speed backup operations without any...
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7330948 |
Method for remote copy pair migration
During an asynchronous remote copy process for a plurality of asynchronous remote copy pairs, a copy of data in a migration source primary storage area is stored in a migration destination primary...
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7330997 |
Selective reciprocal backup
The disclosed technology applies the principle of anonymous reciprocity to facilitate remote backups. A local computer stores other computer's backup files, while storing backup copies of local...
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7330930 |
Method and apparatus for balanced disk access load distribution
Broadly speaking a method and an apparatus is provided for distributing commands to a digital data storage system. More specifically, the method and apparatus distributes read commands to a...
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7330946 |
Data processing system
The data processing system comprises at least one first storage system, and at least one second storage system connected to the first storage system. The second storage system receives change...
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7330932 |
Disk array with spare logic drive created from space physical drives
In a disk array system having a plurality of spare drives, the storage areas of which are not wasted without being influenced by the physical boundaries thereof. There is defined one large spare...
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7328319 |
Remote asynchronous mirror recovery
For a highly available replication system, a process is presented whereby, after a successful failover from primary to replica, with the replica now being the new primary, and where, at a later...
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7328318 |
System and method for atomic multi-volume operations
A method system and program product for atomic operations across multi-volume or multi-LUNs in a data storage environment. It is difficult to manage data storage and replication operations...
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7328366 |
Method and system for reciprocal data backup
Methods and systems for a reciprocal backup of data, including files, directories, and application data are provided. Example embodiments provide a Reciprocal Backup System (“RBS”), which...
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7328326 |
Storage device
A storage device can flexibly apply a dynamic load distribution and a performance expansion to an unexpected peak performance demand changing in a time sequence such as a web server and a contents...
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7328320 |
Storage system and method for acquisition and utilization of snapshots
A computer system including: a computer having a display to display information of a plurality of backup times, and an inputting device by which a user selects a backup time of the plurality of...
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7328287 |
System and method for managing I/O access policies in a storage environment employing asymmetric distributed block virtualization
A system employing asymmetric distributed block virtualization includes a volume server, a plurality of volume clients, and one or more physical block devices. The volume server aggregates storage...
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7325110 |
Method for acquiring snapshot
In a storage switch to control a snapshot operation in the file unit, the delay in the writing operation of a host due to a data saving operation is prevented. In a snapshot acquiring method, the...
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7325112 |
High-speed snapshot method
When a snapshot of data is taken, it is after a write request comes from the host equipment that old data on the source-side magnetic disk to the snapshot-side magnetic disk; therefore, it takes a...
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7325111 |
Method and system for single pass volume scanning for multiple destination mirroring
A mirroring application running on a primary server in a multiple destination mirroring environment is provided. The mirroring application configures a scanner with snapshots that are registered....
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7325160 |
Data processing system with data recovery
An integrated multi-application data processing system for generating, storing, and retrieving data files, each data file having an array of data cells, which includes a program framework providing...
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7325109 |
Method and apparatus to mirror data at two separate sites without comparing the data at the two sites
In one embodiment, the present invention provides a method for mirroring data representing a file system. The data is stored on a primary storage server and is mirrored on a secondary storage...
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7325156 |
Methods and apparatus for backing up data in a data center
In one embodiment, and under control of resources belonging to a controller domain of a data center, a farm server for which a backup operation is to be performed is identified. Interfaces of...
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7320059 |
Methods and apparatus for deleting content from a storage system
One embodiment is directed to a computer system that includes primary and secondary storage systems. When a request to store a content unit is received, it may be determined whether to store the...
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7320060 |
Method, apparatus, and computer readable medium for managing back-up
Duplicate data obtained by copying and a volume containing it are flexibly managed according to the attribute of the file to be copied by a storage apparatus as is required by a user. When...
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7320058 |
Apparatus and method for online data migration with remote copy
In one embodiment, a new storage system is connected to an old storage system destined for replacement. Prior to starting online data migration, remote copy configuration information from the old...
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7318135 |
System and method for using file system snapshots for online data backup
A system includes a storage device, a backup storage device, and an intermediate storage device. Backup is on-line and copies data blocks from the storage device into the backup storage device,...
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7318120 |
Hardware assisted communication between processors
A method and apparatus performs hardware assisted communication between processors. In response to direction from a first processor, a first coprocessor writes information in a first block of...
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7318134 |
Continuous data backup using distributed journaling
Described are techniques used in connection with providing continuous data backups of primary storage. A first technique uses distributed partial journals and a copy of the primary storage. A...
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7318116 |
Control path failover in an automated data storage library
A system, a method, and a computer program product to provide a failover procedure for an automated data storage library are provided. During the operation of a data storage library, a host...
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7318133 |
Method and apparatus for replicating volumes
A method for operating a storage system includes providing a primary storage device and a secondary storage device. Data from a first storage volume is copied to a second storage volume using an...
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7315959 |
Real-time remote backup system and related method
A real-time remote backup system and related method used for a network system connecting at least one source computer system and one destination computer system is disclosed. The system includes a...
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7315930 |
Method of selecting heuristic class for data placement
An embodiment of a method of selecting a heuristic class for data placement in a distributed storage system begins by forming a general integer program which models the data placement and forming a...
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7315960 |
Storage area network system
In remote copy systems connected with a dedicated interface, reliability is reduced for the time until the disk system that caused an error will be recovered. Therefore, when an error occurs in a...
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7315951 |
High speed non-volatile electronic memory configuration
A high speed non-volatile electronic memory configuration and method is disclosed. In one particular exemplary embodiment, the high speed non-volatile electronic memory configuration may be...
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7315923 |
System and method for combining data streams in pipelined storage operations in a storage network
Described herein are systems and methods for multiplexing pipelined data for backup operations. Various data streams are combined such as by multiplexing by a multiplexing module. The multiplexing...
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7313578 |
Method and apparatus for cascading data through redundant data storage units
A data storage facility for transferring data from a data altering apparatus, such as a production data processing site to a remote data receiving site. The data storage facility includes a first...
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7313651 |
Method and related apparatus for data migration of disk array
While performing data transfer for reading data from a source disk or disks and writing the read data to disks of a disk array, data reading is repeated until accumulated read data can be split...
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7313719 |
Restore of backup to computer system with filesystem/volume attribute modification
In some embodiments, a computer accessible medium comprises a plurality of instructions. When executed, the plurality of instructions modify at least a first attribute corresponding to a first...
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7313662 |
Computer system
A method include a configuration definition creation step of writing configuration information on a primary site into a storage subsystem; a data transfer step of copying the configuration...
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7310716 |
Techniques for producing a consistent copy of source data at a target location
Described area system and computer program product for producing a point in time copy of source data. A set of records corresponding to a time ordered series of recorded file operations as applied...
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7310715 |
Method, apparatus, and computer program product for using an array of high performance storage drives included in a storage array to reduce accessing of an array of lower performance storage drives included in the storage array
A method, apparatus, and computer program product are disclosed for controlling accesses of drives in a storage subsystem. A first array of a first type of drive is provided. The first type of...
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7310714 |
Method and apparatus for creating a virtual data copy
A virtual copy of data stored in a first memory is created in a second memory. Creating the virtual copy includes, in one embodiment, creating first and second tables in memory each one of which...
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7310721 |
Shadow page tables for address translation control
In a computer system that employs virtual memory, multiple versions of a given page are stored: a directory version, a table version, and a data version. The data version contains the data that a...
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7308545 |
Method and system of providing replication
A method and system of providing periodic replication is disclosed. According to one embodiment, a method is provided which comprises creating a storage object corresponding to a storage volume,...
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7308546 |
Volume restoration using an accumulator map
In a process to restore a data volume in a first memory, a virtual point-in-time (PIT) copy of the data volume is created. Creating the virtual PIT copy includes creating first, second and third...
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7307935 |
Recording and playback apparatus, music-data recording and playback method, and music-data recording and playback program
A recording and playback apparatus according to the present invention includes a duplicating section for duplicating music data from a music CD in a CD read-out section onto a hard disk and a...
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7308543 |
Method and system for shredding data within a data storage subsystem
A method and system for shredding data within a data storage subsystem is disclosed. According to one embodiment, a method is provided of continually shredding data within a data storage subsystem...
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7305527 |
Recording apparatus
A recording and/or playback apparatus for recording data read out from a first storage medium into a second storage medium, includes a recording device for recording data read out from the first...
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7305529 |
Cooperative data replication
A method or apparatus for cooperative data replication. The method in one embodiment can be performed by a computer system or several computer systems executing software instructions. The method...
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7305577 |
Data isolation system and method
A data isolation system for software and data maintenance, back up and recovery for a computer wherein dynamic data files are identified and redirected or copied into a hidden partition ( 212 ) on...
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7305502 |
Compressing an amount of uncompressed data less than amount of hibernation related data written to storage via DMA controller when requested write is pending
An improved hibernation method and system, including the use of a modified DMA (Direct Memory Access) mode of transferring data to and from the disk. The use of DMA increases data transfer speed,...
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7305530 |
Copy operations in storage networks
Exemplary storage network architectures, data architectures, and methods for creating and using snapdifference files in storage networks are described. One exemplary method may be implemented in a...
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