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US20140095823 Virtual Disk Snapshot Consolidation Using Block Merge  
A virtualized computer system employs a virtual disk. Multiple snapshots of the virtual disk can be created. After a snapshot is created, writes to the virtual disk are captured in delta disks....
US20100106930 OPPORTUNISTIC PAGE LARGIFICATION  
Page tables in the last level of a hierarchical page table system are scanned for candidate page tables. Candidate page tables are converted to large pages, having a page table entry in a level...
US20140006740 MANAGEMENT SYSTEM AND MANAGEMENT METHOD  
A management system manages a computer system having multiple storage apparatuses, which provide a virtual volume to a host. The computer system includes a pool, and the storage apparatus...
US20140149707 METHOD AND APPARATUS TO MANAGE TIER INFORMATION  
A method of tier management of data comprises performing a tier migration log information setup process which includes selecting an area specified by a virtual volume address and a logical volume...
US20110179415 ENABLEMENT AND ACCELERATION OF LIVE AND NEAR-LIVE MIGRATION OF VIRTUAL MACHINES AND THEIR ASSOCIATED STORAGE ACROSS NETWORKS  
A virtual machine is migrated between a source cloud and a destination cloud. A temporary storage is mounted to a partition management firmware of the source cloud and to a partition management...
US20120005423 Viewing Compression and Migration Status  
A method for use in viewing compression and migration status is disclosed. A logical volume is selected for compression into a compressed logical volume. A destination storage pool for the...
US20130297905 Dynamic reconfiguration of storage system  
A storage system is dynamically reconfigured. The storage system includes storage pools that each include one or more storage disks. Storage pools to be expanded are determined as target storage...
US20140297982 Multi-Tier Storage for Delivery of Services  
Methods, systems, and computer readable media can be operable to facilitate the transfer of content between two or more storage units. The transfer of content between two or more storage units can...
US20140074960 COMPACTING A NON-BIASED RESULTS MULTISET  
A method, system, and computer program product for compacting a non-biased results multiset are provided in the illustrative embodiments. A set of references and a multiset of values are...
US20130179656 RELOCATING RELATED RESOURCE PARTITIONS  
The method for relocating related resource partitions includes detecting a relocation event to relocate a first resource partition operating in a first division from the first division to a second...
US20110246740 MANAGEMENT METHOD AND MANAGEMENT APPARATUS  
A management method and management apparatus that can prevent deterioration of response performance of an entire system is suggested. A management method and apparatus for managing a storage...
US20120079226 COMPUTER SYSTEM AND COMPUTER SYSTEM MANAGEMENT METHOD  
A computer system of the present invention selects and executes an appropriate action in a case where capacity of a pool that provides a real storage area to a virtual logical volume is...
US20100318739 MANAGEMENT METHOD FOR A VIRTUAL VOLUME ACROSS A PLURALITY OF STORAGES  
To enhance capacity expansion property of a storage system for providing a thin provisioning volume, this invention provides a computer system including: a first storage system; and a second...
US20130138908 STORAGE SYSTEM AND POOL CAPACITY SCALE-DOWN CONTROL METHOD  
The present invention provides a storage system, which efficiently uses a storage system internal storage area related to an internal volume in a case where an internal volume and an external...
US20090125675 Storage apparatus and logical volume migration method  
This storage apparatus includes a first logical volume migration unit for migrating the logical volume of a first storage area targeted for power source shutdown to a second storage area that is...
US20130007397 DYNAMIC VVDS EXPANSION  
A method for addressing an out-of-space condition for a VSAM Volume Data Set (VVDS) includes detecting an out-of-space condition in a VVDS on a volume. The method creates, in response to the...
US20130111170 STORAGE APPARATUS AND METHOD OF CONTROLLING STORAGE APPARATUS  
A storage apparatus provides a server apparatus with virtual volumes in thin provisioning; allocates a physical page to each pool page from a storage pool that is able to provide a plurality of...
US20060206671 Coordinated shared storage architecture  
The present invention provides a novel coordinated shared storage architecture that permits the amortization of cost of the spares over any number of the storage systems and enables improvements...
US20130145115 SPATIAL EXTENT MIGRATION FOR TIERED STORAGE ARCHITECTURE  
Provided are techniques for migrating a first extent, determining a spatial distance between the first extent and a second extent, determining a ratio of a profiling score of the second extent to...
US20120117349 SPATIAL EXTENT MIGRATION FOR TIERED STORAGE ARCHITECTURE  
Provided are techniques for migrating a first extent, determining a spatial distance between the first extent and a second extent, determining a ratio of a profiling score of the second extent to...
US20090049368 Method and Device of Rewriting a Primary Sector of a Sector Erasable Semiconductor Memory Means  
In a method of rewriting a primary sector of a sector erasable semiconductor memory device, a bootloader code is copied from the primary sector to a second sector, all content of the first sector...
US20050055497 Faster write operations to nonvolatile memory by manipulation of frequently-accessed sectors  
An embodiment of the present invention includes a digital equipment system having a host for sending write commands to write files having sector information and having a controller device...
US20110296101 COMPUTER SYSTEM HAVING AN EXPANSION DEVICE FOR VIRTUALIZING A MIGRATION SOURCE LOGICAL UNIT  
A migration destination storage creates an expansion device for virtualizing a migration source logical unit. A host computer accesses an external volume by way of an access path of a migration...
US20130185506 Controlling a Storage System  
A method, computer-readable storage medium and computer system for controlling a storage system, the storage system comprising a plurality of logical storage volumes, the method comprising:...
US20130054920 STORAGE SYSTEM AND METHOD FOR REALLOCATING DATA  
The present invention comprises a virtual volume 50, which is a virtual storage area comprising multiple virtual page groups, a pool 60, which is a storage area comprising multiple pool page...
US20140181450 COMPUTER SYSTEM AND ITS MANAGEMENT METHOD  
Resources migrated from migration source storage apparatuses to a migration destination storage apparatus are appropriately allocated to each migration source user. A migration destination storage...
US20140297984 STORAGE APPARATUS AND CONTROL METHOD OF THE SAME  
A storage management system, if the required response performance of the file is added to the access request from the host computer, compares the required response performance of the file with the...
US20120079184 METHODS FOR MANAGING OWNERSHIP OF REDUNDANT DATA AND SYSTEMS THEREOF  
A storage system according to one embodiment includes a first storage tier; a second storage tier; logic for storing instances of a file in the first storage tier and the second storage tier;...
US20060248292 Storage processor for handling disparate requests to transmit in a storage appliance  
A storage processor is interposed between initiators and storage targets, such as storage appliances or storage devices in a storage network. The storage processor presents a target interface to...
US20130179657 COMPUTER SYSTEM MANAGEMENT APPARATUS AND MANAGEMENT METHOD  
An object of the present invention is to efficiently use a hierarchical pool. A management server manages performance information of multiple host computers, and based on each performance...
US20140032869 SYNCHRONOUS EXTENT MIGRATION PROTOCOL FOR PAIRED STORAGE  
Exemplary method, system, and computer program embodiments for, in a data storage environment configured for synchronous replication between a primary and secondary pair of storage entities, each...
US20120079191 METHODS FOR MANAGING OWNERSHIP OF REDUNDANT DATA AND SYSTEMS THEREOF  
A storage system according to one embodiment includes a first storage tier; a second storage tier; logic for storing instances of a file in the first storage tier and the second storage tier;...
US20090113156 MANAGEMENT METHOD OF PERFORMANCE HISTORY AND A MANAGEMENT SYSTEM OF PERFORMANCE HISTORY  
A performance history management method and system are disclosed, in which the time-series performance history such as a volume included in a storage device is managed as one time-series...
US20090055613 STORAGE SYSTEM PERFORMING VIRTUAL VOLUME BACKUP AND METHOD THEREOF  
The respective data fragments stored in each page assigned to the respective virtual areas of the virtual volume are copied to the logical volume, and information representing the respective copy...
US20140372720 STORAGE SYSTEM AND OPERATION MANAGEMENT METHOD OF STORAGE SYSTEM  
A policy determining unit determines an allocation method for blocks on the basis of information on a hierarchical policy stored in a policy management table and information on a volume stored in...
US20120272030 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...
US20120102350 Reducing Energy Consumption and Optimizing Workload and Performance in Multi-tier Storage Systems Using Extent-level Dynamic Tiering  
Embodiments of the invention relate to reducing energy consumption and optimizing workload and performance in multi-tier storage systems using extent-level dynamic tiering. An aspect of the...
US20090172333 STORAGE DEVICE COORDINATOR AND A HOST DEVICE THAT INCLUDES THE SAME  
A storage device coordinator intercepts a memory command issued by a host device and intended for a target storage device which is one of a plurality of storage devices, and, if the memory command...
US20050120164 Pen drive for wireless wide bandwidth local network  
A pen drive is described. The pen drive has a control chip, a flash memory controller, at least one flash memory and a USB, a wireless wide bandwidth local network module and an antenna module....
US20120254576 METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR READING A DECISION TREE  
In response to a query of a decision tree, a first packed node of the decision tree is copied from a system memory into a direct memory access (“DMA”) memory. In response to copying the first...
US20050188149 Solid state disk with hot-swappable components  
A solid state disk (SSD) device includes a non-volatile storage module (NVSM), a secondary power source coupled to power inputs of the SSD, a volatile memory (VM), a controller in communication...
US20120324192 MANAGEMENT DEVICE AND MANAGEMENT METHOD  
A management device and management method capable of improving usability of a storage system is proposed. The management device and the management method for managing data migration between...
US20060277380 Distributed storage system with global sparing  
An apparatus and associated method is provided with a virtualization engine connected to a remote device over a network for passing access commands between the remote device and a storage space....
US20050262296 Selective dual copy control of data storage and copying in a peer-to-peer virtual tape server system  
A method of storing data to one of a first or second storage device associated with a data storage system where each storage device provides for the redundant access to and storage of data within...
US20090055450 MEASURING FRAGMENTATION ON DIRECT ACCESS STORAGE DEVICES AND DEFRAGMENTATION THEREOF  
A method for determining file fragmentation and performing subsequent defragmentation, including measuring a file fragmentation factor, measuring a file extent distance factor, measuring a file...
US20120198150 ASSIGNING DEVICE ADAPTORS AND BACKGROUND TASKS TO USE TO COPY SOURCE EXTENTS TO TARGET EXTENTS IN A COPY RELATIONSHIP  
Provided are a computer program product, system, and method for assigning device adaptors and background tasks to use to copy source extents to target extents in a copy relationship. A relation is...
US20140201488 EVENT-BASED EXECUTION BUFFER MANAGEMENT  
Techniques for reacting to events in a switch module. Embodiments provide a plurality of predefined load/store operations stored in a first memory buffer of the switch module. An execution buffer...
US20080104350 RELOCATION SYSTEM AND A RELOCATION METHOD  
Provided are a relocation system and a relocation method capable of relocating a virtual volume that is formed based on thin provisioning while ensuring security against exhaustion of pools. A...
US20050210100 Cellular phone, information providing site access method used for cellular phone, and access control program  
A cellular phone includes an arrangement in which when a content is downloaded from an information providing site on the Internet, the Internet address of the information providing site is...
US20060095651 Firmware rewrite system for disk apparatus  
From an optical disk holding plural pieces of firmware corresponding to the hardware specifications of plural disk apparatuses and plural rewrite programs for rewriting the respective pieces of...