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8185775 |
Virtual computer system and control method thereof
When a failure occurs in an LPAR on a physical computer under an SAN environment, a destination LPAR is set in another physical computer to enable migrating of the LPAR and setting change of a...
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8166338 |
Reliable exception handling in a computer system
A method provides exception handling for a computer system. As an error in the computer system's hardware is detected, an exception vector pertaining to the hardware error is determined, and...
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8156367 |
I/O device switching method
An I/O device management table that manages the types of I/O devices connected to an I/O switch is provided, and one or plural unallocated I/O devices are defined and registered as standby I/O...
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8103899 |
Nonvolatile memory system
A memory system permitting a number of alternative memory blocks to be made ready in order to extend the rewritable life and thereby contributing to enhanced reliability of information storage is...
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8099624 |
Recovery mechanism for I/O module using out-of-band control path
A storage system includes a storage server and a storage subsystem having an I/O module coupled to disks. The storage server includes a storage adapter coupled to the I/O module creating an in-band...
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8086896 |
Dynamically tracking virtual logical storage units
In virtualized environments, storage may be managed dynamically due to the changing data storage requirements. In such environments, logical storage unit identifiers (LUN IDs) may be modified as a...
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8074102 |
Method for reactivating at least one media transfer protocol-compatible device when an unrecoverable error occurs, and associated host
A method for reactivating at least one media transfer protocol-compatible (MTP-compatible) device when an unrecoverable error occurs includes: temporarily storing a transaction ID of a latest...
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8060774 |
Memory systems and memory modules
One embodiment of the present invention sets forth a memory module that includes at least one memory chip, and an intelligent chip coupled to the at least one memory chip and a memory controller,...
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8060775 |
Method and apparatus for providing dynamic multi-pathing (DMP) for an asymmetric logical unit access (ALUA) based storage system
A method and apparatus for providing dynamic multi-pathing for an asymmetrical logical unit access (ALUA) based storage system. The method comprises identifying a first processor within a storage...
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8041987 |
Dynamic physical and virtual multipath I/O
Embodiments that dynamically manage physical and virtual multipath I/O are contemplated. Various embodiments comprise one or more computing devices, such as one or more servers, having at least two...
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8037368 |
Controller capable of self-monitoring, redundant storage system having the same, and method thereof
A controller capable of self-monitoring, a redundant storage system having the same, and its method are proposed. Each controller is arranged with a self-monitoring operating circuit and a watchdog...
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8028189 |
Recoverable machine check handling
A technique for handling hardware errors in a computing system, such as a data storage facility, while avoiding a system crash. An interface is registered with an operating system of the computing...
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8028190 |
Computer system and bus control device
The bus control device includes a reset control unit which resets the input and output bus in response to receipt of reset instruction; a reset inhibition unit which inhibits a reset of the input...
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8024602 |
Multipath redundant storage system architecture and method
Disclosed is a storage system and method that provides multi-path bus and component interconnection and isolation in a data storage system. A plurality of data storage devices in a removable...
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8015433 |
Disk drive with nonvolatile memory for storage of failure-related data
A disk drive that includes nonvolatile memory monitors the drive's reliability-related parameters to detect real or potential failure events, and records failure-related data in nonvolatile memory,...
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8010847 |
Memory repair
A memory chip having a memory with a plurality of non-redundant memory lines and a plurality of redundant memory lines, and a controller configured to allocate dynamically a redundant memory line...
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8006123 |
Volume and failure management method on a network having a storage device
Provided is an environment that storage device configuration management can be efficiently done in a data center having a virtualization device. A SAN manager acquires configuration information...
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7975167 |
Information system
An information system includes a housing with a plurality of units mounted thereon, a communication path built in the housing to take charge of information communication between a plurality of the...
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7958391 |
Storage system and control method of storage system
A fault-tolerant storage system is provided. The storage system is composed of a controller having a plurality of processors and other units. When an error occurs in any one of the components in...
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7941693 |
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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7925917 |
Systems and methods for enabling failover support with multiple backup data storage structures
A main data center with first and second backup data centers also has a translator for assisting a failover module of a failed server at the main data center in implementing failover of the failed...
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7913112 |
Storage controller and storage control method
This storage controller includes a port unit and multiple processing units for inputting and outputting data to and from a storage apparatus. The port unit sorts the data I/O requests given from a...
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7900083 |
Disk array apparatus, disk array control method and disk array controller
An error table stores information indicating the occurrence of an error. A statistical score addition table stores the number of scores for disk or path according to the error. A control unit adds...
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7895465 |
Memory preserved cache failsafe reboot mechanism
A method, system and computer program product for preserving data in a storage subsystem having dual cache and dual nonvolatile storage (NVS) through a failover from a failed cluster to a surviving...
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7886183 |
Providing fault tolerant storage system to a cluster
In one embodiment, a system comprises a plurality of nodes. On each node, a storage virtualization component may receive the I/O operations generated from local applications on the node. The...
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7882388 |
Dual independent non volatile memory systems
Disclosed is a method, system, and computer readable medium for restoring a failed non-volatile memory (NVM) system in a wireless device having a primary NVM system and a secondary NVM system. The...
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7873863 |
Portable computing device with a non-volatile memory drive
A portable computing device, in which an internal non-volatile memory drive that is used to boot to a functional device GUI is automatically swapped with a temporary RAM drive if the internal...
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7861010 |
Operation monitor system, semiconductor apparatus, and information collection apparatus
An operation monitor system externally outputs a sufficient amount of condition information that indicates an internal operation condition, without using a dedicated terminal, that is to say,...
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7856577 |
Command language for memory testing
A memory testing system for testing a plurality of memory locations in an electronic memory device is provided. The system includes a programmable memory device integrated into the electronic...
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7853765 |
Storage system and data management method
Provided are a storage system and data management method capable of improving the usage efficiency of a storage extent. With this storage system, a first storage apparatus dynamically allocates a...
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7853821 |
Identifying one or more storage devices causing a failure condition during discovery of storage devices
A failure condition caused during discovery of storage devices on a storage network having at least one primary bus interconnecting the storage devices is detected. In response to detecting the...
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7853766 |
Method and system for automated migration of media archives
A method and system for effectively and rapidly migrating recorded content from one storage-media to a second storage-media. The method and system includes an operator and a robotic handler with...
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7847963 |
Printing system, image reading apparatus and controlling method of the system
A printing system in which a print job is generated from original image data which have been read by an image reading apparatus, and the print job is transmitted to a printing apparatus to effect...
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7849365 |
Method for reducing host device to electronic device communication errors
This invention is directed to allowing an electronic device with a failed file system to dynamically direct a host device to reformat it, by making the storage component appear to be in its...
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7849352 |
Virtual disk drive system and method
A disk drive system and method capable of dynamically allocating data is provided. The disk drive system may include a RAID subsystem having a pool of storage, for example a page pool of storage...
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7840847 |
Sector shift read corruption detection
A method and system are disclosed to quickly and inexpensively (in terms of computational overhead) detect when a data shift corruption event or a short read has occurred and to transparently retry...
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7840848 |
Self-healing cache operations
A method, apparatus and program storage device for performing a self-healing cache process is described. At least one error affecting a cache is detected. The cache may have a matching address tag...
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7840836 |
Storage device and data writing method utilizing the same
A storage device capable of meeting the reliability has a storage capacity and the reliability of the storage device is defined. The storage device includes at least one first storage unit, at...
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7840765 |
RDMA copy-on-write
In an embodiment of the invention, an apparatus and method for Remote Direct Access Memory (RDMA) copy-on-write perform the steps including: marking a page of a first application as copy-on-write...
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7836357 |
Error handling process
Correcting errors in data objects includes executing a main process to process the data objects, detecting an error in a first data object via the main process, sending, to an error correcting...
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7836337 |
Method and system for restoration of a mobile device to its state prior to loss of standard memory
A method, system, and computer program product for restoration of a mobile device to its state prior to loss of application software and data stored in standard memory storage. A core agent is...
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7836333 |
Redundant configuration method of a storage system maintenance/management apparatus
Provided is a method of managing a computer system including a plurality of storage systems and a plurality of management appliances for managing the plurality of storage systems. A first...
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7836332 |
Method and apparatus for managing virtual ports on storage systems
A storage system is configured to create and manage virtual ports on physical ports. The storage system can transfer associations between virtual ports and physical ports when a failure occurs in a...
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7836331 |
System and method for protecting the contents of memory during error conditions
A system and method protects the contents of memory during error conditions. An illustrative storage system includes a complex programmable logic device (CPLD) that interfaces with a memory...
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7831767 |
Storage control system, control method for storage control system, port selector, and controller
An object of the present invention is to provide a means for detecting a logical command error, and a storage system and its control method that can properly perform error handling, and detection...
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7831858 |
Extended fault resilience for a platform
In one embodiment, the present invention includes a method for allocating a fail-over memory region, determining if multiple processors have reached a rendezvous state, and verifying a memory...
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7831881 |
Apparatus and method for hybrid detection of memory data
The data detecting apparatus may provide a voltage comparison unit that compares a reference voltage, associated with a specific data bit from among a plurality of data bits stored in a memory...
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7831857 |
Method and system for recovering from operating system crash or failure
A method of recovering from an operating system crash or failure in a first memory. Upon detecting the crash or failure, a second memory provided as auxiliary memory to the first memory and being...
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7827366 |
Method and system for providing continuous and long-term data protection for a dataset in a storage system
A system, a method, and a computer program product for providing continuous data protection and long-term data protection of data in a storage system. A persistent point-in-time Image (PPI) image...
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7827439 |
System and method of redundantly storing and retrieving data with cooperating storage devices
A system and method for data storage in an array. A system includes a client coupled to a storage subsystem. The storage subsystem comprises data storage locations addressable as rows and columns...
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