|
Match
|
Document |
Document Title |
|
|
7237080 |
Persistent snapshot management system
A persistent snapshot is taken and maintained in accordance with a novel method and system for extended periods of time using only a portion of a computer readable medium of which the snapshot is...
|
|
|
7237076 |
Method of maintaining a plurality of snapshots, server apparatus and storage apparatus
Snapshots are implemented by combining original data in a place where an operational volume has been updated with data in a place where the operational volume has not been updated. A snapshot...
|
|
|
7237079 |
Data migration method and a data migration apparatus
The management computer 600 copies data in the volume 111 within the storage device 100 A to the volume 115 within the storage device 100 B. Upon completion of copy processing, the volume ...
|
|
|
7234033 |
Data synchronization of multiple remote storage facilities
A processing system includes a local or local storage and a number of remote or remote storage systems that store data mirroring that maintained by the local storage system. Data that is written,...
|
|
|
7228381 |
Storage system using fast storage device for storing redundant data
A computer storage system includes a controller and a storage device array. The storage device array may include a first sub-array and a fast storage device sub-array. The first sub-array includes...
|
|
|
7228394 |
Computer data backup storage device
A secondary storage device for a digital computer includes a housing, an attachment means coupled to an outside surface of the housing for allowing said housing to be easily attached to the...
|
|
|
7228380 |
Storage system that is connected to external storage
A first storage system is connected to a second storage system, and an external device within the first storage system is provided to a host as a device of the second storage system. The second...
|
|
|
7228397 |
Method and system for backing up storage system data
The present invention provides a method, a system and code for backing up information on a storage system, for example, a disk system, connected to a storage area network. The host or server system...
|
|
|
7228395 |
System and method of servicing read requests from a common mirror
A system and method of servicing a plurality of read requests using a common mirror are provided. When a plurality of requests is received, it is determined whether the amount of data requested by...
|
|
|
7228396 |
Switching between virtual ordered writes mode and synchronous or semi-synchronous RDF transfer mode
Transitioning from a first data transfer mode to a second data transfer mode that is different from the first data transfer mode includes a primary storage device transitioning to the second data...
|
|
|
7225308 |
Inexpensive reliable computer storage via hetero-geneous architecture and a staged storage policy
An inexpensive storage system is disclosed along with methods of managing such a system. In one preferred embodiment, the system includes a high performance high reliability storage medium...
|
|
|
7225294 |
Storage system control method, storage system, information processing system, managing computer and program
When shifting the condition of a pair of a main volume and a sub-volume from a split condition to a pair condition according to a request from a user, an information processing unit which can...
|
|
|
7225307 |
Apparatus, system, and method for synchronizing an asynchronous mirror volume using a synchronous mirror volume
An apparatus, system and method for synchronizing an asynchronous mirror volume using a synchronous mirror volume by tracking change information when data is written to a primary volume and not yet...
|
|
|
7225448 |
System and method for hibernating application state data on removable module
A method and system for hibernating the state of executing applications on a removable module and resuming the applications at later time using the saved applications' state. After inserting the...
|
|
|
7222119 |
Namespace locking scheme
A system may perform a first operation within a file system in which directories and files are organized as nodes in a namespace tree. The system may associate a read-write lock with each of the...
|
|
|
7222168 |
Computer system
A system for performing efficient backup in an environment where a plurality of file servers exist, making the plurality of file servers externally look like a single apparatus. The present...
|
|
|
7219191 |
Data sharing method among remote computer systems and disk control device thereof
A data sharing method and disk control device are ideal for running applications to process large amounts of data on remote computers in the same manner as in a database system. A disk control...
|
|
|
7218985 |
Semiconductor manufacturing apparatus
A semiconductor manufacturing apparatus includes: a calculation unit having at least one computer for processing semiconductor design information; a control unit for controlling radiation of an...
|
|
|
7219202 |
Cluster storage system and replication creation method thereof
In a storage system having a plurality of control units each connected with a plurality of disk units, it is provided that a replication is created in the volume of the disk units connected to...
|
|
|
7219110 |
Testing a database transaction system without modifying a database
A mechanism for testing a database transaction system without modifying a database is provided. A transaction commit instruction, sent by a transaction manager, is intercepted. The transaction...
|
|
|
7219203 |
Reading data from a multiplicity of disks in a data storage system
A method for reading data from a data storage system, consisting of storing a plurality of copies of the data at a respective plurality of data storage units and receiving at a data port an access...
|
|
|
7219204 |
Dynamic, policy-based control of copy service precedence
Techniques are provided for resolving a collision between two copy services. A policy associated with a new copy service request is retrieved. Characteristics of an existing copy service request...
|
|
|
7216210 |
Data I/O system using a plurality of mirror volumes
A data I/O system comprises a plurality of storage devices and a controller which controls the storage devices. In the data I/O system, the controller further includes a read/write unit, responsive...
|
|
|
7216208 |
Storage controller
A primary controller operates to transmit write data and a write time to a secondary controller in the earlier sequence of the write times after reporting a completion of a request for write to a...
|
|
|
7213113 |
System and method for preparation of workload data for replaying in a data storage environment
This invention is a system and method for preparing workload data that may be accessed in a data storage environment and then replayed for testing or other reasons. The invention has the capability...
|
|
|
7213110 |
Destaging method for storage apparatus system, and disk control apparatus, storage apparatus system and program
A destaging method is provided for destaging a storage apparatus system comprising a disk control apparatus that functions as a data storage unit and is provided with disk apparatuses and a first...
|
|
|
7213114 |
Remote copy for a storage controller in a heterogeneous environment
Two data centers located in the vicinity are connected using a synchronous transfer copy function, and one of the data centers is coupled with a third data center disposed at a remote location by...
|
|
|
7213116 |
Method and apparatus for mirroring objects between storage systems
The system is disclosed in which a storage system having data, and meta-data which describes attributes of the data including its address, can copy the data to a secondary system in a more...
|
|
|
7213158 |
Distributed autonomic backup
The disclosed methods provide a reliable and secure method of automatically backing up a client's data on a personal computer by using excess storage capacity on a set of one or more predetermined...
|
|
|
7212307 |
Image data storage system
A CPU determines whether the intended use of the image data to be stored in a plurality of HDDs has a first-type purpose, which requires storing temporarily stored image data for carrying out...
|
|
|
7210010 |
Efficient system and method for updating a memory device
A system and method for updating a binary image stored across a block-structured memory device, such as a flash memory device. From comparison of original and new images, an update package is...
|
|
|
7210061 |
Data redundancy for writes using remote storage system cache memory
A technique for using a remote array cache memory for data redundancy. A computer system includes a first storage system having cache memory and mass storage. Data to be written to the mass storage...
|
|
|
7210011 |
Information processing system, storage system, storage device controller and program that enable facilitating the recovery work of remote copying
Disclosed is an information processing system including a first information processing apparatus having a first communication port for transmitting and receiving data; a second information...
|
|
|
7206911 |
Method, system, and program for a system architecture for an arbitrary number of backup components
Disclosed is a technique for transferring data using multiple backup components. Responsibility for a portion of data is assigned to a first backup component. When a data update for the portion of...
|
|
|
7206910 |
Delta object replication system and method for clustered system
In a clustered processing system, replication logic controls replication of objects to one or more replica states. The replication logic determines differences between states of an object. The one...
|
|
|
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...
|
|
|
7206905 |
Storage system and method of configuring the storage system
When storage controllers are added to a storage system to change the storage system from a configuration having only one storage controller to a configuration having plural storage controllers, or...
|
|
|
7203581 |
Electronic control unit for controlling updating of data in non-volatile memory
An electronic control unit continuously stores data indicating the monitoring frequency of the diagnosis items determined by the RateBase monitoring method and is increased one by one with the...
|
|
|
7203805 |
Method and system for providing an interleaved backup
The data from a plurality of primary data sources, such as disk drives or disk arrays, are interleaved and captured in a secondary data source, such as a tape drive, during a backup operation. The...
|
|
|
7203807 |
Storage system making possible data synchronization confirmation at time of asynchronous remote copy
A synchronization confirmation method required for operation of a database is provided to a host device connected to a disk device which provides remote asynchronous data transfer. Immediately...
|
|
|
7203804 |
Process, apparatus, and system for passing data between partitions in a storage device
A process, apparatus, and system are disclosed that allow information to be passed between software modules in different partitions in an environment for a predetermined operating system (OS) and...
|
|
|
7203796 |
Method and apparatus for synchronous data mirroring
A synchronous data mirroring technique includes a log forwarding process and a consistency point (CP) process. During log forwarding, a source storage server receives write requests from clients,...
|
|
|
7200725 |
Storage remote copy system
In the conventional storage system, consistency is ensured only for writing from a single storage. Asynchronous remote copying and local replication are also alternately suspended in the...
|
|
|
7200726 |
Method and apparatus for reducing network traffic during mass storage synchronization phase of synchronous data mirroring
A source storage server receives various write requests from a set of clients, logs each request in local memory, and forwards each log entry to a destination storage server at a secondary site. At...
|
|
|
7200728 |
Electronic apparatus and program for controlling computer
An electronic apparatus which is capable of preventing loss of edited operation data even if a user fails to perform a saving operation on the edited operation data. A set of operation data is...
|
|
|
7197614 |
Method and apparatus for mirroring data stored in a mass storage system
A method and apparatus for mirroring data stored in a storage device within a mass storage system by copying data stored in a first storage device to a second storage device, while simultaneously...
|
|
|
7197615 |
Remote copy system maintaining consistency
To provide a remote copy system including: a plurality of primary storage systems and a plurality of secondary storage systems; each of the secondary storage systems including a secondary logical...
|
|
|
7197616 |
Virtual ordered writes
Ordering data writes include a host computer providing a plurality of data writes to a primary storage device, the primary storage device assigning a first sequence number to data writes begun...
|
|
|
7197519 |
Database system including center server and local servers
A database system includes a center server and local servers. The center server includes a replication requesting unit, a data consolidating unit including a center DB freeze requesting unit and a...
|
|
|
7194589 |
Reducing disk IO by full-cache write-merging
An electronic and computerized system that coalesces write operations using a buffer cache which stores data waiting to be written back to a disk of the electronic and computerized system is...
|