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7620844 |
Field-operable, stand-alone apparatus for media recovery and regeneration
A method for recovering data from corrupted flash media and regenerated damaged flash media have been disclosed. In one embodiment, the method comprises accessing data on a flash media, searching...
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7620843 |
Rebuilding a storage system
A method for managing a storage system, including storing first and second sets of data on a storage device in the system. The method further includes assigning a first restore preference level to...
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7620786 |
Storage recovery using a delta log
A system and method for removing one volume of a redundant data storage system, keeping a delta log of subsequent changes to the remaining volumes of the redundant data storage system, replacing...
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7617437 |
Error correction device and method thereof
A device for error correction includes a memory control module to disable error processing for a memory location depending on the state of a status indicator. The status indicator can be set so...
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7617369 |
Fast failover with multiple secondary nodes
A method, system, computer system, and computer program product to quickly synchronize replicas of data stored at multiple secondary nodes upon failure of a primary node. Secondary nodes to which...
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7617352 |
Memory controller, flash memory system having memory controller and method for controlling flash memory device
A memory controller includes decision means responsive to a request to write user data issued by a host computer for determining whether progressive data writing for writing user data to a target...
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7613947 |
System and method for storage takeover
A takeover system and method for high availability in the face of component failures for a multiple-node storage system cluster is provided. When a takeover is triggered either through a loss of...
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7613946 |
Apparatus, system, and method for recovering a multivolume data set
An apparatus, system, and method are disclosed for recovering multivolume data. In one embodiment, a backup module physically backs up a plurality of source volumes to plurality of backup volumes....
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7613888 |
Maintain owning application information of data for a data storage system
A data storage system writes data supplied from a host to data storage in accordance with write I/O of an owning application. A workload manager directs the processing of the supplied data in...
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7610511 |
Journal migration method and data recovery management method
Provided is a computer system including a first storage subsystem and a second storage subsystem. The first storage subsystem has a first storage unit and a first control unit. The second storage...
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7610508 |
Storage system and setting method for storage configuration information
Pairs are formed from a plurality of dispersed volumes and copying between the volumes is conducted by a series of remote operations from a management server. A management server 10 instructs the...
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7610507 |
High-speed redundant disk controller methods and systems
Various apparatus and methods for controlling data for a redundant array of inexpensive/independent disks (RAID) are presented. For example, in one illustrative embodiment, a controlling apparatus...
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7610506 |
Data processing system, data processing method and storage apparatus
A compact data processing system suitable for long-term use that enables the maintenance of failure resistance without having to mount many spare disks or replace disks; a data processing method;...
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7610461 |
Storage system with mainframe and open host performing remote copying by setting a copy group
If the pair state of a certain volume pair in one copy group is a fault state which has changed due to occurrence of a fault in the volume pair, then a write holding state is set for the copy...
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7610459 |
Maintain owning application information of data for a data storage system
A data storage system writes data supplied from a host to data storage in accordance with write I/O of an owning application. A workload manager directs the processing of the supplied data in...
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7610446 |
RAID apparatus, RAID control method, and RAID control program
A RAID apparatus that at least duplicates identical data to store thus duplicated data, which, when an instruction of writing data is given, writes data to a local cache and to a mirror cache, and...
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7610362 |
Method for reproducing configuration of a computer system in a remote site
A computer system that formerly handled a service is quickly reproduced with another computer system to resume the service immediately. The association relations between services run by a primary...
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7607037 |
SAR restart and going home procedures
Described are techniques used in performing data replication processing. Data is replicated on a recovery site from a production site. When a disaster occurs, the state of the replication...
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7607036 |
System and method for enabling continued use of trim values within an implantable medical device following a parity error
Techniques are described for use by an implantable medical device equipped to use trim values, which allow the device to continue to use trim values despite certain memory errors such as parity...
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7607035 |
Disk array apparatus and method for controlling the same
A disk array apparatus capable of reducing a disk drive fault rate where a time-out failure has occurred. The disk array apparatus includes a plurality of disk drives, and a control unit for...
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7607034 |
Data storage system and control method thereof
Hard discs constituting a disc array system are arranged at locations far from one another so as to eliminate their simultaneous damage due to a local disaster and concentration of the processing...
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7606986 |
System and method for resolving SAN fabric partitions
Systems, methods, apparatus and software can combine information about host access to virtualization functionality and virtualization functionality access to storage, use this information in...
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7606980 |
Demand-based error correction
A technique for demand-based error correction. More particularly, at least one embodiment of the invention relates to a technique to reduce storage overhead of cache memories containing error...
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7606971 |
Storage control apparatus and external storage apparatus
A storage control apparatus includes a plurality of temporary storage units that are managed in a redundant manner by data mirroring, and temporarily store data input from an outside source; a...
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7606940 |
Remote copy system
A remote copy system includes a first storage system including a first storage controller and a first data volume. The first storage controller is configured to control data access requests to the...
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7606841 |
Coordinated dirty block tracking
A method, system, computer system, and computer-readable medium to maintain consistent, up-to-date copies of primary data that enable quick resumption of operations upon failure of the primary...
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7603581 |
Remote copying of updates to primary and secondary storage locations subject to a copy relationship
Provided are a method, system, and program for remote copying of updates to primary and secondary storage locations subject to a copy relationship. A first copy relationship is established between...
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7603580 |
Redundant manager for a storage system
A method for managing activity of a data storage system, including at least partly managing and performing an operator interaction with the storage system using a first processing system, and...
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7600150 |
Data auto backup system and method
A data auto backup system and method is proposed, applicable in a computer system connected with an external storage device for backing up data of the external storage device to the computer system...
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7600149 |
Failure transparency for update applications under single-master configuration
A method masking data failures, when a master copy of data is unavailable comprises storing a single master copy of data and a replica copy of the data; writing to the master using a middleware...
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7600087 |
Distributed remote copy system
Primary storage subsystems synchronously send write data to an intermediate storage system. Upon receiving the write data, the intermediate storage system 100 c generates control data, which...
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7600055 |
Apparatus, system, and method for firmware update of redundant controllers
An apparatus, system, and method are disclosed for updating firmware to a plurality of memory devices residing on disparate controllers wherein each controller includes an identical communication...
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7596713 |
Fast backup storage and fast recovery of data (FBSRD)
A Fast Backup Storage and fast Recovery of Data (FBSRD) method for a facility, preferably with a SAN, coupled to a network with servers and workstations, operating in both a storage mode and a...
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7594138 |
System and method of error recovery for backup applications
A system and method of error recovery for backup applications that utilizes error recovery logic provided in the storage controller itself are provided. With the system and method, error recovery...
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7594137 |
Storage system and data restoration method thereof
This storage system includes a first storage sub system having a first logical volume where a first data area is dynamically allocated to each prescribed area, and which stores data transmitted...
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7594135 |
Flash memory system startup operation
Multiple copies of firmware code for controlling operation of a non-volatile flash memory system are stored at different suitable locations of the flash memory of a memory system. A map of...
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7594074 |
Storage system
To provide a storage system with a cost/performance meeting the system scale, from a small-scale to a large-scale configuration. In the storage system, protocol transformation units and data...
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7590895 |
Heartbeat apparatus via remote mirroring link on multi-site and method of using same
The present invention is directed to a heartbeat apparatus via a remote mirroring link for a multi-site and a method for using the heartbeat apparatus. Information is registered in a configuration...
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7590887 |
Mapping apparatus for backup and restoration of multi-generation recovered snapshots
Restoration of data is facilitated in the storage system by combining data snapshots made by the storage system itself with data recovered by application programs or operating system programs. This...
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7590884 |
Storage system, storage control device, and storage control method detecting read error response and performing retry read access to determine whether response includes an error or is valid
In a storage system, a disk device performs recovery and transfers read data to a control device, and the control device judges the validity of the recovery to prevent a transfer of erroneous data....
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7590671 |
Storage system, file migration method and computer program product
A storage system including a file migration server, a file migration client, and an LDEV migration engine. The file migration client displays on a management terminal a GUI for guiding a file...
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7587629 |
Data processing apparatus
Data processing can be performed even if a trouble occurs in a hard disk device. If a trouble occurs in a first hard disk device, it is recognized that a spare hard disk device is on standby, and...
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7587628 |
System, method and computer program product for copying data
A method, system and computer program product for copying data are provided. The method includes: establishing a virtual copying relationship at a current primary site; and establishing a real...
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7587627 |
System and method for disaster recovery of data
When a public line is used for a remote copy function of storage in a disaster recovery (DR) system, the online performance is degraded due to the increase and decrease of the line utilization...
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7587626 |
Intelligent hotspare or “SmartSpare” drive with pre-emptive drive rebuild
An intelligent hotspare drive with pre-emptive drive rebuild is disclosed. In accordance with one embodiment of the present disclosure, a method for rebuilding a drive using an intelligent hotspare...
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7587625 |
Memory replay mechanism
Embodiments of the invention are generally directed to systems, methods, and apparatuses for memory replay mechanisms. In some embodiments, the replay logic includes reset logic to reset at least...
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7581135 |
System and method for storing and restoring a data file using several storage media
A system and method for storing and restoring a data file using several storage media. The method begins with the step of generating several identical copies of the data file. The identical copies...
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7581061 |
Data migration using temporary volume to migrate high priority data to high performance storage and lower priority data to lower performance storage
The storage control device of the present invention uses a temporary volume to move data rapidly between volume groups. The storage control device forms a plurality of volume groups by grouping...
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7577868 |
No data loss IT disaster recovery over extended distances
Systems and methods operating over extended distances provide for recovery of data and operational continuity of computer applications accessing data within an information technology system if an...
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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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