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Class Information
Number: 711/111
Name: Electrical computers and digital processing systems: memory > Storage accessing and control > Specific memory composition > Accessing dynamic storage device
Description: Subject matter including accessing memory

Sub-classes under this class:

Class Number Class Name Patents
711/112 Direct access storage device (dasd) 2,627

Patents under this class:
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Patent Number Title Of Patent Date Issued
6912600 Method and system for controlling devices using a specific or generic device control module Jun. 28, 2005
6912615 Control means for burst access control Jun. 28, 2005
6912635 Distributing workload evenly across storage media in a storage array Jun. 28, 2005
6907499 Interrupting disc write operations to service read commands Jun. 14, 2005
6907505 Immediately available, statically allocated, full-logical-unit copy with a transient, snapshot-copy-like intermediate stage Jun. 14, 2005
6904491 Hybrid data storage system Jun. 7, 2005
6904495 Method for identifying the write protect status of a diskette Jun. 7, 2005
6901589 System and method for determining a root cause of a failure May. 31, 2005
6898670 Storage virtualization in a storage area network May. 24, 2005
6898685 Ordering data writes from a local storage device to a remote storage device May. 24, 2005
6895483 Method and apparatus for data relocation between storage subsystems May. 17, 2005
6892249 Dependently adjusting at least three operating levels of a disk drive by dependently adjusting a plurality of disk drive parameters May. 10, 2005
6892268 Heterogeneous computer system, heterogeneous input/output system and data back-up method for the systems May. 10, 2005
6889285 Apparatus and method to maintain information using a plurality of storage attributes May. 3, 2005
6886056 Digital image storage system and digital camera system Apr. 26, 2005
6883049 Method and system for making an open system volume accessible to an MVS system Apr. 19, 2005
6883064 Disk array controller comprising a plurality of disk array controlling units Apr. 19, 2005
6883065 System and method for a redundant communication channel via storage area network back-end Apr. 19, 2005
6880040 Virtual sequential data storage (VSDS) system with router conducting data between hosts and physical storage bypassing VSDS controller Apr. 12, 2005
6877070 Method and apparatus for implementing command queue ordering with benefit determination of prefetch operations Apr. 5, 2005
6877073 Fiber channel connection storage controller Apr. 5, 2005
6877074 Apparatus having durable storage Apr. 5, 2005
6873534 Arrangement of integrated circuits in a memory module Mar. 29, 2005
6874059 System and method for using anonymous tokens for efficient memory management Mar. 29, 2005
6874060 Distributed computer system including a virtual disk subsystem and method for providing a virtual local drive Mar. 29, 2005
6874071 Database commit control mechanism that provides more efficient memory utilization through consideration of task priority Mar. 29, 2005
6874072 Method, apparatus and article of manufacture for managing a reusable linear access storage medium Mar. 29, 2005
6871255 Heterogeneous computer system, heterogeneous input/output system and data back-up method for the systems Mar. 22, 2005
6865643 Communications architecture for a high throughput storage processor providing user data priority on shared channels Mar. 8, 2005
6862632 Dynamic RDF system for transferring initial data between source and destination volume wherein data maybe restored to either volume at same time other data is written Mar. 1, 2005
6862656 System and method for exporting a virtual tape Mar. 1, 2005
6862657 Reading data from a storage medium Mar. 1, 2005
6862658 Retrieving streams of data from rotating storage medium while balancing various requirements Mar. 1, 2005
6859859 Method and system for efficiently calculating and storing expected access time information for DASD Feb. 22, 2005
6857044 Data storage device for fast multiple file write operations Feb. 15, 2005
6854028 Disk drive control for improving the operation of a computer subjected to motion Feb. 8, 2005
6854045 Hardware emulation of parallel ATA drives with serial ATA interface Feb. 8, 2005
6851011 Reordering hardware for mass storage command queue Feb. 1, 2005
6851018 Exchanging operation parameters between a data storage device and a controller Feb. 1, 2005
6851031 Method of importing data from a physical data storage device into a virtual tape library Feb. 1, 2005
6848019 Performance in a data storage device using head-to-head offsets in access command scheduling Jan. 25, 2005
6848022 Disk array fault tolerant method and system using two-dimensional parity Jan. 25, 2005
6848047 Security managing system, data distribution apparatus and portable terminal apparatus Jan. 25, 2005
6845403 System and method for storage virtualization Jan. 18, 2005
6842393 Method for selecting one or a bank of memory devices Jan. 11, 2005
6842841 Method and system for dynamically selecting tape drives to connect with host computers Jan. 11, 2005
6839801 Deferred writing of data to be synchronized on magnetic tape employing a non-volatile store Jan. 4, 2005
6839824 System and method for partitioning a storage area network associated data library employing element addresses Jan. 4, 2005
6834324 System and method for virtual tape volumes Dec. 21, 2004
6832287 System for fast tape file positioning Dec. 14, 2004

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