Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7526622 | Method and system for detecting and correcting data errors using checksums and replication A method for storing a data block, including storing the data block in a storage pool, storing a copy of the data block in the storage pool, obtaining a data block location, calculating a data block checksum for the data block, storing a first indirect block in the ... | 04/28/2009 |
| 7526623 | Optimizing reclamation of data space An amount of storage to reclaim is determined based at least in part on a write size of new previous version data written most recently to a data region. The determined amount of storage is reclaimed. ... | 04/28/2009 |
| 7523275 | Method, system, and program for maintaining a copy relationship between primary volumes and corresponding secondary volumes Provided are a method, system, and program for accessing a resource. Requests are generated to access a resource in a first access mode and a second access mode. The requests are processed to access the resource in the second mode before processing at least one requ... | 04/21/2009 |
| 7523276 | Synchronization of selected data from snapshots stored on different storage volumes A method, system, computer system, and computer program product are provided to quickly synchronize selected data, such as a single file, from two or more versions of the data stored on different storage volumes. Selected data are synchronized with a snapshot of the... | 04/21/2009 |
| 7523277 | Transient point-in-time images for continuous data protection A method, system, and apparatus that provide an equivalent of persistent frozen image snapshots through the use of a time-addressable storage object, such as a time-indexed storage volume, are presented. These virtual snapshot images are presented to a system in a m... | 04/21/2009 |
| 7523278 | Backup and restore operations using a single snapshot Systems and methods for backing up and/or restoring data. When a backup operation is initiated, systems and methods are provided for creating a single snapshot of the backup items, including backup groupings. The single snapshot is used by a backup/recovery applicat... | 04/21/2009 |
| 7519785 | Storage layout and data replication Various embodiments of volume replication are disclosed. A request may be received to replicate a storage layout of a first storage system to a second storage system. A storage layout (e.g., configuration) of the first storage system may be determined, and one or mo... | 04/14/2009 |
| 7519784 | Method and apparatus for reclaiming space in memory A computer implemented method, data processing system, and computer usable code are provided for reclaiming backup data storage space in memory. The process receives a selection to reclaim a set of memory locations associated with a set of backup copies of a selecte... | 04/14/2009 |
| 7516286 | Conversion between full-data and space-saving snapshots A method, system, computer system, and computer-readable medium that enable a copy of data to be converted from a full-data snapshot to a space-saving snapshot, or vice versa, while retaining all the contents of the snapshot. Full-data snapshots can be used for effi... | 04/07/2009 |
| 7516287 | Methods and apparatus for optimal journaling for continuous data replication Methods and systems for continuous data replication, including receiving a write transaction from a production site, the write transaction including raw data (RWNEW), a size indicator (SZ1) for the size of the raw data, and a start address (ADD1) for w... | 04/07/2009 |
| 7516285 | Server side API for fencing cluster hosts via export access rights A method and system performs fencing techniques in a host cluster storage environment. A fencing application program interface resides in one or more storage systems. When a message is received by said storage system from a cluster member, the storage system in turn... | 04/07/2009 |
| 7516288 | Method and apparatus for computing file storage elements for backup and restore A method and apparatus for method for transferring files between a primary storage system and a backup and restore system is described. The system generates collapsed extents which are used to specify data to be backed up to a backup and restore system. The backup a... | 04/07/2009 |
| 7512757 | Computer system and control method for the computer system A computer system including a first storage system connected to a first host computer, a second storage system connected to a second host computer and a third storage system connected to the first and second storage systems. The second storage system sets transfer s... | 03/31/2009 |
| 7512756 | Performance improvement for block span replication The portion of a source block storage resource to be replicated, and the corresponding portion of the block storage resource being written to, are each divided into a predefined number of equal-sized spans. A digest calculation is then generated for each span in a c... | 03/31/2009 |
| 7512758 | System and method for providing backup service continuity using a virtual backup service path Provided are a system and method for using a plurality of virtual backup service paths to dynamically switch between storage devices based on a plurality of scenarios. In one example multiple backup service groups are defined. Multiple scenarios that each reference ... | 03/31/2009 |
| 7509466 | Backup method for a copy pair using newly created logical volume via virtual server device Provided is a technology in which: a request-source storage device provides a request-source server device with a storage area of a disk drive as at least one logical volume; the request-source server device determines, upon receiving a request to back up data store... | 03/24/2009 |
| 7509465 | System and method for managing memory or session resources used for movement of data being copied in a data storage environment This invention is a system and method for managing and allocating memory used for data movement of data being copied in a data storage environment. In one embodiment, a methodology is provided that allocates and manages data buffers based on bandwidth and memory ava... | 03/24/2009 |
| 7509467 | Storage controller and data management method Upon receiving a primary/secondary switching command from a secondary host system, a secondary storage control device interrogates a primary storage control device as to whether or not yet to be transferred data that has not been remote copied from the primary stora... | 03/24/2009 |
| 7506118 | Storage control subsystem for managing the online and offline states of logical volumes The present invention provides a storage control subsystem that facilitates logical volume access management by a host. Before copying, the host instructs a disk array device to identify the states of target logical volumes and collect information in control memory,... | 03/17/2009 |
| 7506117 | Data recovery method for computer system To reduce a burden imposed on a system administrator in restore operation, there is provided a computer system including at least one storage system, at least one host computer, and a management computer, in which: the storage system includes: a first processor; a f... | 03/17/2009 |
| 7506119 | Complier assisted victim cache bypassing A method for compiler assisted victim cache bypassing including: identifying a cache line as a candidate for victim cache bypassing; conveying a bypassing-the-victim-cache information to a hardware; and checking a state of the cache line to determine a modified stat... | 03/17/2009 |
| 7506116 | Maintaining and using information on updates to a data group after a logical copy is made of the data group Provided are a method, system and program for maintaining and using information on updates to a data group after a logical copy is made of the data group. A first logical copy of a data group in a storage at a first point-in-time is established. The first logical co... | 03/17/2009 |
| 7506120 | Data transfer virtualization system When data in the first primary volume is migrated to the second primary volume, an access request from the host to the primary volume is transferred to the second primary volume. Further, the second storage system stores write data received from the host and data of... | 03/17/2009 |
| 7506115 | Incremental provisioning of software Methods and apparatuses provide for incremental provisioning of software for a processing system. For instance, a processing system may include a machine accessible medium and a processor in communication with the machine accessible medium. In addition, instructions... | 03/17/2009 |
| 7500070 | Methods and apparatus for improved RAID 1 mirror re-synchronization Systems and methods for improving performance of a re-synchronization process in a RAID level 1 storage system. In one aspect a local cache memory associated with the second or mirrored disk drive is enabled during the re-synchronization operation but left disabled ... | 03/03/2009 |
| 7496725 | Systems and methods of data migration in snapshot operations The invention relates to methods of snapshot operation for a data storage system with a host communicating with a cache memory, a source Virtual Logical Unit Number (VLUN) and a target VLUN, including generating first metadata (e.g., bitmaps and log files pointers) ... | 02/24/2009 |
| 7496723 | Server-free archival of backup data Embodiments of a system and method for making an archival copy of business data by performing a third party copy of backup data across a SAN are described. A SAN may include a SAN fabric, multiple host/servers and multiple storage devices including archival storage ... | 02/24/2009 |
| 7496724 | Load balancing in a mirrored storage system Optimal performance tuning is enabled by avoiding the deterioration in the performance of a storage system caused by an erroneous setting in a tuning parameter. The storage system has a primary volume provided as an operational volume to a host computer, and a secon... | 02/24/2009 |
| 7493459 | Method of enhancing system performance applicable of computer system capable of executing snapshot process The present invention discloses a method of enhancing system performance applicable to a computer system capable of executing a snapshot process. The method includes counting a number of times the computer system has executed the snapshot process; and if the number ... | 02/17/2009 |
| 7490205 | Method for providing a triad copy of storage data A method for maintaining data is provided that includes receiving primary data at a first node, receiving mirrored data from a second and third node at the first node, and mirroring data received at the first node to a second and third node. ... | 02/10/2009 |
| 7487310 | Rotation policy for SAN copy sessions of ISB protocol systems Systems and methods for performing scheduled backups and recovery of data generated by a production application operating on a MAGIC platform located on a host computer. The data is stored in a primary storage in the form of a production volume and ISB protocol is u... | 02/03/2009 |
| 7487311 | System and method for asynchronous backup of virtual disks in a distributed storage array Systems and methods for asynchronous backup of virtual disks in a distributed storage array are disclosed. An exemplary method may comprise receiving an IO stream at the virtual disks in the distributed storage array, writing data to one or more storage cells of the... | 02/03/2009 |
| 7487309 | Computer system and process for transferring multiple high bandwidth streams of data between multiple storage units and multiple applications in a scalable and reliable manner Multiple applications request data from multiple storage units over a computer network. The data is divided into segments and each segment is distributed randomly on one of several storage units, independent of the storage units on which other segments of the media ... | 02/03/2009 |
| 7487308 | Identification for reservation of replacement storage devices for a logical volume to satisfy its intent A method, system, and computer program product for identifying and reserving suitable replacement storage devices for use when a storage device underlying a logical volume fails or when the size of the volume is to be increased. Replacement devices are reserved if t... | 02/03/2009 |
| 7484059 | Full array non-disruptive migration of extended storage functionality Described are systems and methods of migrating data and metadata from a source storage array to a destination storage array transparently with respect to a storage application executing on a host. The storage application provides particular storage functionality at ... | 01/27/2009 |
| 7484058 | Reactive deadlock management in storage area networks Systems and methods in accordance with various embodiments can detect and alleviate potential or actual deadlock of a storage switch or storage area network when attempting to write data to a mirrored virtual target. In accordance with one embodiment, a timer is sta... | 01/27/2009 |
| 7480779 | Storage system, data restoring method, and data access method This invention provides a storage system in which a volume containing WORM data is restorable. A control unit, after the copying is finished, consults a first meta data associated with data stored in a first block of the first volume, consults, in a case where the c... | 01/20/2009 |
| 7478211 | Maintaining consistency for remote copy using virtualization Provided are methods for copying storage, wherein a first unit receives data updates from a second unit. The data updates are stored in a plurality of physical storage locations associated with the first unit. Links are generated to at least one of the plurality of ... | 01/13/2009 |
| 7475207 | Maintaining write order fidelity on a multi-writer system Write order fidelity (WOF) is maintained for totally-active implementations wherein a plurality of access nodes at geographically separated sites can concurrently read and/or write data in a “totally active” fashion on a distributed data system. From the hosts' ... | 01/06/2009 |
| 7475208 | Method for consistent copying of storage volumes Provided is a method for copying storage. Copy operations are performed on source storage units to copy to target storage units, wherein the copy operations create a consistent copy of the source storage units in the target storage units. While performing a copy ope... | 01/06/2009 |
