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8583887 Non-disruptive restoration of a storage volume  
A system implements a method to non-disruptive restoration of storage services provided by a storage volume of the system. Upon detecting a disruption of storage services at the storage volume,...
8583882 Storage subsystem and its control method  
A new storage tier is added to a plurality of storage tiers configured in storage areas of a plurality of types of storage devices, whose processing performance is different from each other,...
8578115 Temporary mirroring, logical segregation, and redundant programming or addressing for solid state drive operation  
The present disclosure includes methods and devices for operating a solid state drive. One method embodiment includes mirroring programming operations such that data associated with a programming...
8578110 Memory data backup system and memory data backup control method  
A memory data backup system capable of shortening time required to back up data from a volatile memory to a nonvolatile memory is provided. A nonvolatile memory module 100 is mounted on the same...
8578108 Dynamic look-ahead extent migration for tiered storage architectures  
A method for migrating extents between extent pools in a tiered storage architecture maintains a data access profile for an extent over a period of time. Using the data access profile, the method...
8578114 Dynamic look-ahead extent migration for tiered storage architectures  
A method for migrating extents between extent pools in a tiered storage architecture maintains a data access profile for an extent over a period of time. Using the data access profile, the method...
8578091 Providing data redundancy using an internal mass storage device and an external mass storage device  
A computer includes an enclosure, an internal mass storage device within the enclosure, and a redundancy controller within the enclosure. At least one port enables direct connection of the...
8578107 Extent migration scheduling for multi-tier storage architectures  
A method for scheduling the migration of extents between extent pools of a storage system is disclosed herein. In certain embodiments, such a method includes periodically profiling an extent pool...
8572339 Variable data preservation prewrite  
In one aspect of the present description, a data preservation function is provided for preserving a set of data on a source storage device at a point in time, and includes identifying as a...
8572319 Method for calculating tier relocation cost and storage system using the same  
Conventionally, the fees for using services of a storage system was calculated based on the status of use or access performance of storage areas and not based on migration of data. The present...
8572336 Storage control apparatus and storage control apparatus memory control method  
A storage control apparatus of the present invention is able to duplicatively manage data in a cache memory even during maintenance work. When a memory package CMPK3 specified by a user is removed...
8572343 Synchronous extent migration protocol for paired storage  
Extent migration is provided in a data storage environment configured for synchronous replication between a primary and secondary pair of storage entities, each having tiered storage devices. In...
8572137 Data de-duplication in a distributed network  
A computer-implemented method for efficient data storage is provided. A first storage medium associates data stored on one or more data storage media with a unique identification value (ID) for...
8566291 Methods and physical computer storage media for transferring de-duplicated data organized in virtual volumes to a target set of physical media for forming a bitmap and creating a volume map  
A method include forming an initial bitmap from the de-duplicated data on virtual volumes, sorting discrete blocks according to frequency of occurrence to form a revised bitmap to first include a...
8566361 Datacenter workflow automation scenarios using virtual databases  
Information from multiple databases is retrieved and stored on a database storage system. Multiple point-in-time copies are obtained for each database. A point-in-time copy retrieves data changed...
8566547 Using a migration cache to cache tracks during migration  
Provided are a method, system, and computer program product for using a migration cache to cache tracks during migration. In response to a migration operation, a determination is made of a first...
8566517 System, method and computer program product for optimization of tape performance using distributed file copies  
A tape performance optimization method may include accumulating data in a memory, monitoring the accumulation of data, determining whether a certain amount of data has been accumulated in the...
8566284 Data replication among storage systems  
A first storage system stores information relating to the updating of data stored in that system as a journal. More specifically, the journal is composed of a copy of data that was used for...
8566555 Data insertion system, data control device, storage device, data insertion method, data control method, data storing method  
The data insertion system has a storage system 1, a backup storage 2 and a backup controller 3. The data insertion system has a first distribution index information obtaining unit 311 that obtains...
8560787 Incremental backup of source to target storage volume  
A flashcopy of a source storage volume to a target storage volume is initiated. The content of the source storage volume is stored on the target storage volume in a space efficient manner. The...
8560792 Synchronous extent migration protocol for paired storage  
Extent migration is provided in a data storage environment configured for synchronous replication between a primary and secondary pair of storage entities, each having tiered storage devices In...
8560789 Disk apparatus, data replicating method onto disk apparatus and program recording medium  
A disk apparatus includes a second volume to which data of a first volume is copied, a third volume which stores a snapshot of the first volume, and an I/O processing unit which reads out data...
8560788 Method of performing backups using multiple streams  
A method, system, and a computer program product for performing backups using multiple streams. An aspect of the present invention performs the backups based on the size of the data sets sought to...
8560793 Synchronous extent migration protocol for paired storage  
Extent migration is provided in a data storage environment configured for synchronous replication between a primary and secondary pair of storage entities, each having tiered storage devices. In...
8560790 Incremental backup of source to target storage volume  
A flashcopy of a source storage volume to a target storage volume is initiated. The content of the source storage volume is stored on the target storage volume in a space efficient manner. The...
8560791 Method and system for optimizing live migration of persistent data of virtual machine using disk I/O heuristics  
Techniques for migrating persistent data between and across data stores are implemented using monitoring methods. The method includes classifying frequently updated blocks of persistent data to...
8555004 Storage system having function of performing formatting or shredding  
It is desired to reduce the danger of leakage of data stored in a logical storage device. A storage system has a detection unit and a security processing unit. The detection unit detects a system...
8555012 Data storage apparatus  
A method for controlling a storage apparatus connectable to a server, the storage apparatus including a first storage area and a second storage area for storing data, the method comprises: copying...
8555019 Using a migration cache to cache tracks during migration  
Provided are a method, system, and computer program product for using a migration cache to cache tracks during migration. Indication is made in an extent list of tracks in an extent in a source...
8554739 Systems and methods for IED design templates  
Disclosed herein are a variety of systems and methods that may be utilized to facilitate the configuration of intelligent electronic devices using design templates. A design template may be...
8555010 Computer system and data backup method combining flashcopy and remote copy  
One embodiment provides a computer system and data backup method which enable improvements in the response performance of a storage apparatus to a write request from a host apparatus. In a case...
8555007 Storage system with journal disks dynamically assigned  
A storage system includes a plurality of storing unit and a data processing unit configured to store data into the plurality of storing unit. The data processing unit includes: a storage...
8554964 Method and apparatus for efficient synchronization request response  
A data writing apparatus includes a tape drive, a buffer and non-volatile memory. When a synchronization request is received from a device sending data to be written to a tape, the apparatus is...
8555008 Storage system with storage medium package power control  
The present invention makes is possible to appropriately set the power saving control of the storage device from the management device of the storage device. In addition, the storage device...
8549327 Background service process for local collection of data in an electronic discovery system  
Embodiments of the invention relate to systems, methods, and computer program products for a local collection tool that is configured to run as an authorized background service process. As such,...
8549240 Apparatus and methods for an appliance to recover data from a storage device  
Disclosed is a data recovery mechanism associated with a data writing process in a storage area network (SAN). In general, a data writing mechanism is provided so that a particular host can write...
8549248 Data migration method and information processing system  
A volume group comprising one or a plurality of logical volumes is set. A coexistence avoidance volume group having different array groups can be set to the volume group. Upon execution of preset...
8549239 Network message logging and archival  
A method includes receiving a message to be logged. In response to receiving the message, the message is written to a stream corresponding to an active archive. The active archive includes...
8543550 Prioritized digital media archiving  
An investment value of a media file is automatically determined by recording an interaction with the media file. Further, a uniqueness value of the media file is automatically determined by...
8543783 Data storage apparatus and method of controlling data storage apparatus  
A compressing unit generates a plurality of types of compressed blocks for each of divided blocks of data, by using a plurality of algorithm executing units. A comparing unit stores, in a storage...
8543763 Redundant array of independent disks raid controller and system  
A redundant array of independent disks (RAID) controller includes a host interface, a processing core and a storage interface. The processing core is connected to a host and a hard disk. The RAID...
8543760 Saving log data using a disk system as primary cache and a tape library as secondary cache  
Various embodiments are provided for saving a plurality of log data in a hierarchical storage management system using a disk system as a primary cache with a tape library as a secondary cache. The...
8543782 Content-based, compression-enhancing routing in distributed, differential electronic-data storage systems  
One embodiment of the present invention includes a method for routing a data object, comprising a sequence of data units, to a particular component data-storage system, or particular group of...
8539175 Transferring learning metadata between storage servers having clusters via copy services operations on a shared virtual logical unit that stores the learning metadata  
A virtual logical unit that stores learning metadata is allocated in a first storage server having a first plurality of clusters, wherein the learning metadata indicates a type of storage device...
8533407 Capacity management in deduplication storage systems  
A deduplication storage capacity is estimated as a function of an expected deduplication ratio, the expected deduplication ratio being a combined average of a current deduplication ratio and a...
8533160 NAS system and remote copy method  
The present invention relates to a system that includes one or more logical volumes for storing data; a snapshot producing section for producing snapshots for the logical volumes based on a...
8527720 Methods of capturing and naming dynamic storage tiering configurations to support data pre-staging  
A method for pre-staging data includes obtaining a DST configuration of a virtual volume at a first point in time. The method also includes creating a Point-in-Time copy (PiT) in a destination...
8527723 Storage system and control method for storage system  
A first controller defines an existing pair that represents a copy from a first existing area that is a storage area of a first logical volume before size expansion to a second existing area that...
8527705 Temporarily caching an encoded data slice  
A method begins by a processing module obtaining an encoded data slice and an associated slice name. The method continues with the processing module determining a dispersed storage (DS) unit for...
8521973 Systems and methods for providing a modification history for a location within a data store  
A storage management device can receive a request for a modification history for a location within a data store, determine one or more times at which at least a portion of data stored at the...