| 6208999 |
Recoverable computer file system with a signature area containing file integrity information located in the storage blocks |
| Mar-27-2001 |
A file system for data file storage on a block storage device includes signature information embedded within each block allocated to a data file. Such signature information includes a file identification... |
| 6205558 |
Recovery of file systems after modification failure |
| Mar-20-2001 |
Prior to execution of a file system structure modification procedure (406) which can leave the file system structure in an invalid state, a copy is made of a boot record (110), and the boot record (110)... |
| 6205451 |
Method and apparatus for incremental refresh of summary tables in a database system |
| Mar-20-2001 |
A method and apparatus are provided for performing deferred incremental refresh of summary tables that are derived from two or more base tables. Incremental refresh is performed by assigning a hypothetical... |
| 6192456 |
Method and apparatus for creating formatted fat partitions with a hard drive having a BIOS-less controller |
| Feb-20-2001 |
A method includes operations for creating and formatting FAT partitions beyond the first gigabyte of a disk having more than one gigabyte of data storage space, when the disk is associated with a controller... |
| 6189001 |
Tape system storage and retrieval process |
| Feb-13-2001 |
A tape storage and retrieval system is provided to facilitate the archival of machine data to tape and optionally to disk storage in a manner which enables the retrieval of the data in a batch or on-line... |
| 6185665 |
File management apparatus, file management method, and recording medium containing file management program |
| Feb-6-2001 |
A file management apparatus is used in an information processor using a media exchange type storage device including a plurality of storage media, at least one data access device, and a storage media exchanging... |
| 6185580 |
Physical information and extensions file and file system translator |
| Feb-6-2001 |
A file translation system and a physical information and extensions file for an intermediary controller is disclosed. The file translation system that allow a host computer to directly access data from... |
| 6182088 |
File system and file management method |
| Jan-30-2001 |
The present invention relates to a file system using a disc memory storage and a method of managing the file system. Just like the ordinary server, a first block table Tb1 with the offset number of the... |
| 6182074 |
Automated generation of control interface to controlled element of telecommunications network |
| Jan-30-2001 |
To facilitate the creation of an interface between a network control layer and controlled elements in the network, on insertion of a new element to be controlled an intelligent interface creates a compatibility... |
| 6178429 |
Mechanism for ensuring SCM database consistency on multi-part operation boundaries |
| Jan-23-2001 |
A mechanism for guaranteeing a coherent repository, including a list of requested files that are to be committed to the repository or to be processed (e.g. read) by an operation, and a list of "protected"... |
| 6178428 |
Method and apparatus for accessing a file that can be concurrently written |
| Jan-23-2001 |
A method and apparatus copies only the data that was in a computer file when the copying process began, allowing other processes to alter the file while it is being copied without introducing inconsistent... |
| 6175900 |
Hierarchical bitmap-based memory manager |
| Jan-16-2001 |
A hierarchical bitmap-based memory manager maintains a hierarchical bitmap having an entry for each memory block in a memory heap. Each bitmap entry contains a multi-bit value that represents an allocation... |
| 6173292 |
Data recovery in a transactional database using write-ahead logging and file caching |
| Jan-9-2001 |
A method, apparatus, and article of manufacture for providing transaction control for a computer-implemented database management system. The database management system manages one or more databases, wherein... |
| 6173291 |
Method and apparatus for recovering data from damaged or corrupted file storage media |
| Jan-9-2001 |
An automated method and apparatus for identifying and copying lost files from a mass data storage device of a computer when file system information (as opposed to the actual data files) stored on the mass... |
| 6167427 |
Replication service system and method for directing the replication of information servers based on selected plurality of servers load |
| Dec-26-2000 |
A system an method for efficiently providing access by a large number of clients to objects located at a large number of information servers. A non-bottleneck solution is provided to sharing load among... |
| 6167407 |
Backtracked incremental updating |
| Dec-26-2000 |
A computer readable file of an original state is updated to a final state. The original state and the final state are both states within a sequence (100) of states, which sequence (100) includes at least... |
| 6161111 |
System and method for performing file-handling operations in a digital data processing system using an operating system-independent file map |
| Dec-12-2000 |
A file management system is disclosed for managing files stored on a mass storage subsystem in response to file management commands. The mass storage subsystem stores data on at least one storage device,... |
| 6154811 |
Scalable network object caching |
| Nov-28-2000 |
A scalable distributed caching system on a network receives a request for a data object from a user. The caching system carries out a locator function that locates a directory cache for the object. The... |
| 6151665 |
Method and apparatus for mirroring blocks of information in a disc drive storage system |
| Nov-21-2000 |
A method and apparatus for managing blocks of information in a disc drive storage system. One embodiment is directed to a disc drive storage system that employs a plurality of disc drives, and that mirrors... |
| 6151607 |
Database computer system with application recovery and dependency handling write cache |
| Nov-21-2000 |
This invention concerns a database computer system and method for making applications recoverable from system crashes. The application state (i.e., address space) is treated as a single object which can... |
| 6138125 |
Block coding method and system for failure recovery in disk arrays |
| Oct-24-2000 |
A method, system, and data structure for encoding a block of data with redundancy information and for correction of erasure type errors in the block using the redundancy data. In particular, the invention... |
| 6125428 |
Apparatus for reproducing multimedia data, method for reproducing multimedia data, and record media containing multimedia data reproduction program |
| Sep-26-2000 |
A multimedia data reproduction apparatus comprising an optical disk library containing a plurality of optical disks and a plurality of optical disk drives, a file management unit for managing names of... |
| 6125373 |
Identifying a driver that is an owner of an active mount point |
| Sep-26-2000 |
The present invention allows arbitrary actions to be performed when grafting the namespace of one device into the namespace of the same or another device. Grafting of the namespace of one device into the... |
| 6125372 |
Server system and method of updating server software |
| Sep-26-2000 |
A system with resource server updating provides upgraded system operation by installing replacement files on the resource when needed and without manual intervention. The system in an exemplary embodiment... |
| 6122646 |
Method and apparatus for management of information where sub directory information in a directory identifies the relative recording location of the sub directory |
| Sep-19-2000 |
In this invention, data track of a magneto-optical disc is divided into a volume management area and an extent area to record data of file into the extent area, and to record directory management information... |
| 6122644 |
System for halloween protection in a database system |
| Sep-19-2000 |
A method for preventing Halloween problem conflicts when updating records in a database system is disclosed. According to the method, in response to an update query, possible update plans are generated,... |
| 6119133 |
Extensible method and apparatus for retrieving files having unique record identifiers as file names during program execution |
| Sep-12-2000 |
In an information processing system with a database for storing database records wherein each of said database records has a unique identifier, a method for naming data files comprising the steps of: (a)... |
| 6119131 |
Persistent volume mount points |
| Sep-12-2000 |
Information regarding volume mount points hosted by a logical volume are stored on the physical device underlying the logical volume so that the relationships between the host logical volume and target... |
| 6119128 |
Recovering different types of objects with one pass of the log |
| Sep-12-2000 |
A method, apparatus, and article of manufacture for a computer implemented recovery system for restoring a database in a computer. The database contains objects and is stored on a primary data storage... |
| 6115799 |
Information processing apparatus and associated method for managing a memory using a next fit and for reducing a memory fragmentation problem |
| Sep-5-2000 |
An information processing apparatus, which can expand a part of a function by the addition of software, enables the development of additional software that does not depend on the firmware version. The... |
| 6112324 |
Direct access compact disc, writing and reading method and device for same |
| Aug-29-2000 |
A system that redefines how data is distributed on a conventional writable compact disc (CD-R/E). A rearrangement of the data on the disc provided during the writing operation preserves eight-to-fourteen... |
| 6112211 |
Reconfiguration an aggregate file including delete-file space for optimal compression |
| Aug-29-2000 |
Digital data objects containing unused space are reconfigured to facilitate more efficient compression of the data objects. First, a determination is made whether the data object contains regions of unused... |
| 6105103 |
Method for mapping in dynamically addressed storage subsystems |
| Aug-15-2000 |
A paged addressing method and associated apparatus for dynamically addressed disk storage subsystem. The present invention stores the logical to physical address map in the disk array. The logical to physical... |
| 6105041 |
Using three-state references to manage garbage collection of referenced objects |
| Aug-15-2000 |
The present invention uses three-state references to manage access to referenced objects. In a preferred embodiment, a pointer swizzling facility receives a request to swizzle a persistent pointer. In... |
| 6105022 |
Structured-text cataloging method, structured-text searching method, and portable medium used in the methods |
| Aug-15-2000 |
A text cataloging method includes a step of cataloging already-analyzed-text data obtained from an analysis of a logical structure of a text to be cataloged in a text database, a step of creating a structure... |
| 6098096 |
Method and apparatus for dynamic cache preloading across a network |
| Aug-1-2000 |
A caching server that provides faster access times for independently operating network elements. The caching server initiates information transfer and holds the requested information in its memory, instead... |
| 6098080 |
Computer system, program product and method of collecting interned data with a mark sweep collector |
| Aug-1-2000 |
A computer system, program product, and method of collecting interned data utilize an interned indicator for an internable data element that indicates whether such a data element is in fact interned within... |
| 6098079 |
File version reconciliation using hash codes |
| Aug-1-2000 |
A file reconciliation process in a distributed file system uses a set of rnal or log files to track the history of file modification at each of different sites, or sets of directories, in a computer system.... |
| 6092168 |
Data storage system and method for deallocating space by writing and detecting a predefined data pattern |
| Jul-18-2000 |
A data computing system has a host computing unit connected to a peripheral data storage system. The data storage system has a storage medium and a storage space manager to manage space on the storage... |
| 6092163 |
Pageable filter driver for prospective implementation of disk space quotas |
| Jul-18-2000 |
A filter driver for implementing disk space quotas is described. Quota limits on disk space taken up by files in the file system are established for users and directories, and an internal database is established... |
| 6088767 |
Fileserver buffer manager based on file access operation statistics |
| Jul-11-2000 |
Fileserver buffers are managed so as to improve the hit ratio for read accesses to the fileserver by clients by grouping related files into filesets, collecting fileserver access operation (i.e., read... |
| 6085262 |
Hierarchical data storage processing apparatus for partitioning resource across the storage hierarchy |
| Jul-4-2000 |
The present invention relates to a data storage processing apparatus and the object of the present invention is to provide storages including off-line media and to improve the usability of users as well... |
| 6085254 |
Dynamic size alteration of memory files |
| Jul-4-2000 |
A method and system for use primarily, but not exclusively, in digital communications switching systems are disclosed, in which the size of traffic-sensitive (temporary) size-alterable memory files is... |
| 6085185 |
Retrieval method and system of multimedia database |
| Jul-4-2000 |
A multimedia database system effectively retrieves the contents in an optional storage position of an optional medium among a large amount of video and audio media. When a user puts an annotation to a... |
| 6079566 |
System and method for processing object-based audiovisual information |
| Jun-27-2000 |
The invention provides a system and method for processing object-based audiovisual information which is capable of flexibly encoding, storing and accessing a variety of data objects. Audiovisual objects,... |
| 6078929 |
Internet file system |
| Jun-20-2000 |
A method and a system in which a computing system transparently accesses resources connected to the Internet. A memory of the computing system contains an operating system, a cache associated with the... |
| 6076151 |
Dynamic memory allocation suitable for stride-based prefetching |
| Jun-13-2000 |
A dynamic memory allocation routine maintains an allocation size cache which records the address of a most recently allocated memory block for each different size of memory block that has been allocated.... |
| 6070174 |
Method and apparatus for real-time secure file deletion |
| May-30-2000 |
A method and apparatus are provided that enhance file system calls to a file system structure of an operating system. In particular, file system calls can be enhanced to provide real-time secure file deletion... |
| 6070172 |
On-line free space defragmentation of a contiguous-file file system |
| May-30-2000 |
A file system configuration is scored by summing the squares of the sizes of each contiguous section of free space. A set of defragmentation plans, each describing a sequence of file movements, is generated... |
| 6061690 |
Apparatus and method for storage of object collections in a database system |
| May-9-2000 |
The present invention pertains to an apparatus and process for storing information object collections in a database. Examples of such object collections are nested tables and variable length arrays. In... |
