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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...
7613740 Control of a data replication engine using attributes associated with a transaction  
A data replication engine is controlled in a system that replicates data associated with a plurality of transactions from a source database to a target database. The system includes a change queue...
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...
7607038 Systems and methods for CPU repair  
In one embodiment, a method for repairing a faulty cache element is provided. Once a monitored cache element is determined to be faulty, the system stores the repair information, and cache...
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...
7603584 Method and apparatus of recording data in the optical recording medium  
A recording medium and apparatus and method for managing defective areas are discussed. According to an embodiment a controller determining whether or not to replace a defective block with a...
7603583 Fault recovery method in a system having a plurality of storage system  
System availability is improved in a second storage system, connected to a first storage system, and having means for virtualizing devices within the first storage system as its own devices. When...
7603582 Systems and methods for CPU repair  
In one embodiment, a cache element allocation method is provided. Each cache element on a CPU is assigned a quality rank based on the error rate of the cache element. If an allocated cache element...
7600083 Method and system for automatic write request suspension  
A system and method are provided to manage storage space. The method comprises suspending a request responsive to detecting of a condition indicating a lack of a resource necessary to serve the...
7599905 Method and system for allocating multiple attribute storage properties to selected data storage resources  
A method of attribute based resource allocation is presented. A resource such as a pool of storage has certain properties or attributes associated with portions of the pool. When a request for...
7590883 Management of warranty information in vital product data for replaceable units of data handling systems  
A vital product data system memory stores warranty information in vital product data relating to replaceable unit(s) of a data handling system. The data comprises a date of first use, and a device...
7587631 RAID controller, RAID system and control method for RAID controller  
With respect to each head mounted on a hard disk, an area accessed by the head is obtained in advance and managed as disk information. Then, if a read error or a write error has occurred during...
7587630 Method and system for rapidly recovering data from a “dead” disk in a RAID disk group  
A method and system for rapidly recovering data from a failed disk in a RAID disk group are disclosed. According to one aspect of the present invention, a RAID-based storage system identifies a...
7587569 System and method for removing a storage server in a distributed column chunk data store  
An improved system and method for removing a storage server in a distributed column chunk data store is provided. A distributed column chunk data store may be provided by multiple storage servers...
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...
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...
7577959 Providing on-demand capabilities using virtual machines and clustering processes  
Techniques are provided for on-demand resource allocation in a cluster having at least one initial virtual machine. It is determined that resource requirements have changed. At least one new...
7577885 Semiconductor integrated circuit, design support software system and automatic test pattern generation system  
A semiconductor integrated circuit has a memory circuit having memory cells, a first register, a second register, a register selection circuit having an input to which an output of the first...
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...
7577812 Storage controlling unit  
Provided is a storage controller capable of changing a system configuration with scalability. A storage controller blade of the storage controller includes: interface units that each connect to one...
7577775 Storage system and configuration-change method thereof  
A storage system includes a plurality of disk drives, one or more controller boards for controlling data read and write from/to the plurality of the disk drives, and a Fibre Channel switching board...
7574623 Method and system for rapidly recovering data from a “sick” disk in a RAID disk group  
A method and system for recovering data from a “sick” disk are described. One embodiment of the invention relates to a RAID-based storage system that predicts the failure of a disk (e.g., a...
7565575 Selecting optimal repair strategy for mirrored files  
This document describes solutions to reduce the time of reduced data redundancy following transient disk failures that do not corrupt the disk. Beneficially, these solutions provide a way to...
7565574 System and method of volume health checking and recovery  
A system of volume health checking and recovery. The system comprises a health engine capable to check the health of a first volume that is a snapshot mirrored volume of a second volume; and a...
7565573 Data-duplication control apparatus  
A data-duplication control apparatus that controls a duplication process for duplicating data stored in a storage device that constitutes redundant-array-of-independent-disks includes an...
7565566 Network storage appliance with an integrated switch  
A network storage appliance including one or more integrated switching devices is disclosed. The appliance includes redundant storage controllers that transfer frames of data between storage...
7565503 Method and apparatus implementing virtualization for data migration with volume mapping based on configuration information and with efficient use of old assets  
A method and apparatus for performing data migration in storage systems implementing the remote copy function, and virtualizing existing storage devices in a new storage system after migrating the...
7549076 Fail over method through disk take over and computer system having fail over function  
When a primary server executing a task fails in a computer system where a plurality of servers are connected to an external disk device via a network and the servers boot an operation system from...
7546491 Semiconductor memory device with standby current failure judging function and method for judging standby current failure  
A semiconductor memory device which a pad for receiving a power voltage, a first power line connected to the pad, and a plurality of second power lines respectively connected to memory cells of a...
7546482 Method and apparatus for monitoring the storage of data in a computer system  
One aspect is directed to a method for storing, in a persistent manner, a state of the storage process such that the state of the storage operation may be recovered if the storage operation is...
7543178 Low cost RAID with seamless disk failure recovery  
A storage subsystem such as an array of disk drives, method of managing disk drives in the storage subsystem and program product therefor. The storage subsystem may be a redundant array of...
7543096 Safe message transfers on PCI-Express link from RAID controller to receiver-programmable window of partner RAID controller CPU memory  
A fault-tolerant mass storage system includes two RAID controllers that communicate via a PCI-Express link. Each controller has a bus bridge coupled to the link, a cache memory that caches user...
7539986 Method for guest operating system integrity validation  
A method includes performing a file system integrity validation on a host machine having a hypervisor architecture when a file system of a second process is mounted on a file system of a first...
7539895 Method to transfer information between data storage devices  
A method is disclosed to transfer information between data storage devices. The method provides an information storage assembly comprising a frame, a memory device disposed on that frame,...
7539894 Method for accessing data of defected optical disk  
A method for accessing data in an optical disk with a drive. The drive has a memory. The optical disk has data blocks for recording data, and spare blocks for replacing defect data blocks. The...
7536614 Built-in-redundancy analysis using RAM  
A method for testing memory in an integrated circuit device is disclosed. The method includes executing a test routine in a portion of the memory at a speed sufficient to fully test the memory...
7536598 Computer system capable of supporting a plurality of independent computing environments  
A method for a computer repairing itself to an operational status at any time during operation, the method comprising the computer-executed steps of: booting from a first hard disk drive boot...
7536508 System and method for sharing SATA drives in active-active RAID controller system  
An active-active RAID system includes first and second active-active RAID controllers which efficiently share access to SATA drives. SAS expanders connect the RAID controllers to the drives. The...
7533310 Semiconductor memory test device and method thereof  
A semiconductor memory test device and method thereof are provided. The example semiconductor memory test device may include a fail memory configured to store at least one test result of a memory...
7533297 Fault isolation in a microcontroller based computer  
A method and data processing system for isolating a faulty component in a computer. A first microcontroller detects a fault in a component of a computer. Responsive to detecting the fault, the...
7533292 Management method for spare disk drives in a raid system  
A RAID system employs a storage controller, a primary storage array having a plurality of primary storage units, and a spare storage pool having one or more spare storage units. A method of...
7529971 Composite memory device, data wiring method and program  
There is provided a composite memory device including a recording medium and nonvolatile recording medium and in which data is written to and read from the recording mediums on the basis of a...
7529967 Method and system for network storage device failure protection and recovery  
A method for executing a write request in a clustered computing environment, comprising a plurality of computers connected in a network, including at least one client computer accessing data blocks...
7529965 Program, storage control method, and storage system  
In case an error statistics of one of the disk drives exceeds a predetermined threshold, the disk is determined as a suspect disk drive. A recovery mode is set successively. During the time when a...
7526667 Error reporting and correcting method for peripheral  
An error reporting and correcting method applied to a peripheral. The peripheral can be connected to the user terminal via the network. In the error reporting and correcting method, an error record...
7523345 Cascading failover of a data management application for shared disk file systems in loosely coupled node clusters  
Disclosed is a mechanism for handling failover of a data management application for a shared disk file system in a distributed computing environment having a cluster of loosely coupled nodes which...
7523110 High availability designated winner data replication  
Collisions are resolved in a database replication system. The system includes a plurality of nodes arranged in either a master-slave or network configuration. Each node includes a database, wherein...
7519741 Apparatus, system, and method for automating adapter replacement  
An apparatus, system, and method are disclosed for automating adapter replacement. An input module receives an identification of a first adapter. A storage configuration module removes the first...
7516353 Fall over method through disk take over and computer system having failover function  
When a primary server executing a task fails in a computer system where a plurality of servers are connected to an external disk device via a network and the servers boot an operation system from...
7516348 Selective power management of disk drives during semi-idle time in order to save power and increase drive life span  
Redundancy in storage arrays is used to extend the life of disk drives and conserve power. In an exemplary storage array, a group of storage devices includes y storage devices. Data and redundant...