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7962709 Network redirector systems and methods for performing data replication  
Performing data management operations on replicated data in a computer network. Log entries are generated for data management operations of an application executing on a source system. Consistency...
7962528 System and method for quickly determining changed metadata using persistent consistency point image differencing  
A system and method accelerates update of a metadata search database using PCPI differencing. After first populating the search database, a search agent generates a PCPI and utilizes a PCPI...
7958289 Method and system for storing memory compressed data onto memory compressed disks  
A method (and system) of storing information, includes storing main memory compressed information onto a memory compressed disk, where pages are stored and retrieved individually, without...
7958086 Systems and methods for managing location of media in a storage system  
A system and method for operating a storage library. The system comprises a management server, a media agent connected to the management server, a library connected to the media agent and a...
7958510 Device, system and method of managing a resource request  
Embodiments of the present invention provide a resource management mechanism to monitor the availability of resources, detect the cause of a rejection, distinguish between different types of...
7953924 System and method for coordinating cluster state information  
A method for managing a plurality of servers is disclosed. Each server of the plurality of servers has access to data stored by other servers. The data is stored to one or more data storage...
7949843 Method and system for single pass volume scanning for multiple destination mirroring  
A method for operating a computer data storage system is disclosed. The system operates an active file system on a first volume of a plurality of volumes of storage devices connected to one or...
7949865 Mounting volumes on demand  
A method for mounting volumes to a storage server in a storage system, including, speeding up initialization of the storage server by staging volume mounting in two or more stages. The method...
7949827 Storage system and access count equalization method therefor  
This invention aims to optimize an entire storage system by equalizing the access counts in appropriate units. When migrating data in pool volumes to equalize the data access counts, which data...
7944805 Method of and apparatus for recording data on write-once disc and write-once disc therefor  
A method of recording, and an apparatus to record, data on a write-once disc, and the write-once disc used with the method and apparatus. The write-once disc includes a plurality of update areas...
7945744 Interface circuit  
An interface circuit comprising: a first output circuit configured to allow an access signal to be input thereto and output the access signal to a storage circuit, the access signal capable of...
7941602 Method, apparatus and program storage device for providing geographically isolated failover using instant RAID swapping in mirrored virtual disks  
A method, apparatus and program storage device for providing geographically isolated failover using instant RAID swapping in mirrored virtual disks are disclosed. The closed loop control mechanism...
7941597 System and method for controlling access to media libraries  
Embodiments of the present invention provide a media library controller that can communicate with multiple physical libraries that are physically separate from each other. The media library...
7941596 Locating media by characteristics in storage apparatus  
Backup storage apparatus and related methods having a controller for controlling and monitoring a robotics assembly that loads and unloads storage media into and from storage devices and an...
7937614 Volume and failure management method on a network having a storage device  
A SAN manager acquires configuration information from devices constituting a SAN and produces a corresponding relationship between a host computer and a virtual volume (virtual volume mapping) and...
7930559 Decoupled data stream and access structures  
Described are techniques for storing data. A plurality of data portions and a corresponding token for each of the data portions are received. Each of said plurality of data portions is to be...
7930380 Computer system, management apparatus and management method  
The computer system includes: a first storage system having devices that are various components for storing data transmitted from a host computer; a second storage system having devices that are...
7930494 Storage area network (SAN) switch multi-pass erase of data on target devices  
Techniques are provided for performing multi-pass erase. An erase command is received at a storage area network (SAN) switch in a storage area network. The erase command is associated with a block...
7925810 Data storage system, method, and recording medium that simultaneously transmits data that was separately generated from pluraity of transfer units to same data location  
A data storage system has a first storage unit and a second storage unit for storing the same data received from a plurality of higher-level devices. The first storage unit transmits sequence...
7921185 System and method for managing switch and information handling system SAS protocol communication  
An SAS domain map is automatically generated at an SAS concentrator switch by a virtual mapping device that presents itself as a target for discovery by SAS devices interfaced with the...
7917694 Method and system for finding maximal stripes in cache memory with content addressable memory  
A storage system and method of operating the same can speed the operation of cache management functions. Generally, a storage system can include data stored in stripes, with each stripe including...
7917831 Optimization of storage device accesses in RAID systems  
A result value, such as a parity value, for a set of corresponding data elements from a plurality of storage devices is determined using a commutative operation. When accessing the set of...
7916719 Apparatus and method for controlling hybrid ARQ memory in broadband wireless access communication system  
A method and HARQ memory apparatus in a BWA communication system are provided where the HARQ memory apparatus includes a memory configured to partition the entire memory area in units of slots...
7913029 Information recording apparatus and control method thereof  
According to one embodiment, an information recording apparatus has a control unit configured to control mutual transfer of information between each of a disc-shaped recording medium, a cache...
7908434 Raid apparatus, cache management method, and computer program product  
A cache managing unit creates a list of elements corresponding to each data block arranged based on a priority of writing data blocks to a magnetic disk apparatus, and when a group of elements...
7908366 Media library monitoring system and method  
Embodiments of methods and systems comprise collecting data associated with a library or library components and storing the collected data in repository. By collecting data associated with a...
7899851 Indexing method of database management system  
A database management system has a plurality of database servers and data can be transferred between them by partitioning a data area into small areas and altering allocation of the small areas to...
7899971 Mainframe storage controller and mainframe volume virtualization method  
A storage controller of the present invention is capable of providing a plurality of external volumes to a mainframe as a single virtual volume without lowering write performance. A virtual volume...
7899985 Method of switching distributed storage modes in GNS  
Provided is a computer system including: one first server; a plurality of second servers; and a plurality of storage subsystems, in which the computer system applies to each file stored in the...
7895249 Selective file purging for delete or rename  
A method of purging cached open files from a client-side delayed close list on a remote file system. The remote file system stores a unique file identifier for each cached open file which is...
7895391 Method for recording information on a record medium, record medium containing information, and method and device for reading information from a record medium  
A method for writing an audio/video information stream to an optical disc, and for reading the information from disc. The information stream includes alternative video parts which are recorded in...
7890697 System and program for demoting tracks from cache  
Provided are a method, system, and program for destaging a track from cache to a storage device. The destaged track is retained in the cache. Verification is made of whether the storage device...
7890720 Snapshot system  
A storage system including: a disk device including an original volume and a plurality of snapshot generations; and a storage control unit which includes a processor unit. The processor unit...
7886109 Storage system coupled to management server and a monitoring method of a stopped device executed by the storage system  
A computer system, storage system, and device control method which keep and operate long-term data stored in a disk device using its characteristics for a long time and at low cost, in a storage...
7877538 Testing data transfer time of disk drives in consumer electronics devices  
Systems, apparatus and methods are disclosed for testing performance of a disk drive in a digital home communications terminal. One such method comprises: downloading a disk drive performance test...
7873851 Powering disk drive spinup  
A method is used in powering disk drive spinup. A disk drive is powered with a primary power source and is temporarily powered with a secondary power source in addition to the primary power...
7873781 Data storage management method for selectively controlling reutilization of space in a virtual tape system  
A method for selectively controlling reutilization of space in a virtual tape system (VTS) having a buffer and a multiple volume tape cartridge includes transferring data volume files to the VTS....
7870332 Retention of functionality and operational configuration for a portable data storage drive  
Various aspects of the invention provide a system and method of operating a data storage drive using any one of one or more data storage devices. In a representative embodiment, a data storage...
7870402 Control method of storage system, storage system, and storage apparatus  
When power to a storage device is turned on and the storage device can accept a data input and output request being transmitted from an information processing device, the storage device transmits...
7870336 Operating system protection against side-channel attacks on secrecy  
Unobservable memory regions, referred to as stealth memory regions, are allocated or otherwise provided to store data whose secrecy is to be protected. The stealth memory is prevented from...
7865664 Storage control device, and control method for storage control device  
The storage control device of the present invention is able to perform input and output of data between blocks whose size is different with good efficiency. The size of extended logical blocks,...
7864465 Hard disk drive with reduced power consumption, related data processing apparatus, and I/O method  
A hard disk drive is disclosed and related methods of reading/writing data are disclosed. The hard disk drive includes a disk serving as a main data storage medium, and first and second buffers...
7865661 Configurable high-speed memory interface subsystem  
A memory interface subsystem including a write logic and a read logic. The write logic may be configured to communicate data from a memory controller to a memory. The read logic may be configured...
7861031 Access control management  
In one embodiment, a cartridge library comprises a library controller comprising a first processor module and a memory medium communicatively connected to the processor module, and a cartridge...
7856541 Latency aligned volume provisioning methods for interconnected multiple storage controller configuration  
A system is composed of multiple storage control modules, which are connected to each other via interconnects. The aforesaid interconnects connecting the storage control modules may cause certain...
7852596 Disk drive returning dummy data to a host when reading an unwritten data sector  
A disk drive is disclosed comprising a disk and a head actuated over the disk. The disk comprises a plurality of tracks, wherein each track comprises a plurality of data sectors. A read command is...
7853764 Tape storage emulation for open systems environments  
A Virtual Tape (VT) server residing on a network is connectible on its front end to a plurality of heterogeneous backup hosts, with different operating systems and/or backup applications, and on...
7849273 Techniques for time-dependent storage management with a portable application programming interface  
Techniques for time-dependent storage management with a portable application programming interface are disclosed. In one particular exemplary embodiment, the techniques may be realized as a method...
7849348 Programmable delay clock buffer  
A programmable delay clock buffer circuit, preferably implemented in a single IC, includes a clock circuit and a plurality of variable delay lines. The clock circuit receives an input clock and is...
7849261 Temperature control to reduce cascade failures in a multi-device array  
Method and apparatus for reducing a likelihood of a cascade failure in a multi-device array. The array preferably comprises a controller and a plurality of storage devices to define a memory space...