ES2122574T3 - Archivado de datos en memoria. - Google Patents
Archivado de datos en memoria.Info
- Publication number
- ES2122574T3 ES2122574T3 ES95914481T ES95914481T ES2122574T3 ES 2122574 T3 ES2122574 T3 ES 2122574T3 ES 95914481 T ES95914481 T ES 95914481T ES 95914481 T ES95914481 T ES 95914481T ES 2122574 T3 ES2122574 T3 ES 2122574T3
- Authority
- ES
- Spain
- Prior art keywords
- file
- user
- updated
- obsolete
- computer system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
- G06F16/184—Distributed file systems implemented as replicated file system
- G06F16/1844—Management specifically adapted to replicated file systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/176—Support for shared access to files; File sharing support
- G06F16/1767—Concurrency control, e.g. optimistic or pessimistic approaches
- G06F16/1774—Locking methods, e.g. locking methods for file systems allowing shared and concurrent access to files
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99931—Database or file accessing
- Y10S707/99938—Concurrency, e.g. lock management in shared database
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99931—Database or file accessing
- Y10S707/99939—Privileged access
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Information Transfer Between Computers (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Storage Device Security (AREA)
- Computer And Data Communications (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
Abstract
CADA ARCHIVO EN UN SISTEMA DE ORDENADORES TIENE ASOCIADO CON EL UNA FICHA. A NINGUN USUARIO SE LE PERMITE ACTUALIZAR NINGUN FICHERO A MENOS QUE EL USUARIO SEA EL POSEEDOR ACTUAL DE LA FICHA. DE ESE MODO, EN INSTALACIONES DE ORDENADORES MULTIESTACION DONDE SE MANTIENEN ARCHIVOS DENOMINADOS IDENTICAMENTE EN VARIAS UNIDADES DE ALMACENAMIENTO DE DATOS, SOLO SE ACTUALIZA EN CADA OCASION UNA COPIA DEL ARCHIVO. LAS FICHAS SE PUEDEN TRANSFERIR DESDE UN USUARIO A OTRO TAN SOLO CON EL PERMISO DEL POSEEDOR DE LA FICHA, Y AL TRANSFERIR LA FICHA LA VERSION DEL ARCHIVO MAS ACTUALIZADA ACOMPAÑA A ESTA FICHA. ALGUNOS NODOS DE UN SISTEMA DE ORDENADORES PUEDEN TENER ACCESO DE LECTURA A VERSIONES OBSOLETAS DE UN ARCHIVO PERO CADA NODO QUE POSEE UN ARCHIVO OBSOLETO ES NOTIFICADO DE QUE ESTAN DISPONIBLES LAS VERSIONES ACTUALIZADAS DEL ARCHIVO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94302864 | 1994-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2122574T3 true ES2122574T3 (es) | 1998-12-16 |
Family
ID=8217661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95914481T Expired - Lifetime ES2122574T3 (es) | 1994-04-21 | 1995-04-12 | Archivado de datos en memoria. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5884308A (es) |
EP (1) | EP0756730B1 (es) |
JP (1) | JPH09512123A (es) |
KR (1) | KR970702529A (es) |
CN (1) | CN1146816A (es) |
CA (1) | CA2188154C (es) |
DE (1) | DE69504965T2 (es) |
ES (1) | ES2122574T3 (es) |
NZ (1) | NZ283425A (es) |
WO (1) | WO1995029450A1 (es) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5999976A (en) * | 1997-07-11 | 1999-12-07 | International Business Machines Corporation | Parallel file system and method with byte range API locking |
JPH11219329A (ja) * | 1998-01-30 | 1999-08-10 | Pfu Ltd | 情報受配信システム |
AU1105600A (en) * | 1998-10-07 | 2000-04-26 | Adobe Systems Incorporated | Distributing access to a data item |
US7596563B1 (en) * | 1999-10-28 | 2009-09-29 | Hewlett-Packard Development Company, L.P. | Computerized file system and method |
US20010039548A1 (en) * | 2000-04-27 | 2001-11-08 | Yoshitake Shinkai | File replication system, replication control method, and storage medium |
JP2002132564A (ja) * | 2000-10-30 | 2002-05-10 | Nec Corp | マスタファイル配信システムおよびマスタファイル配信方法 |
US7209932B2 (en) * | 2002-03-25 | 2007-04-24 | International Business Machines Corporation | Method, system, and program for allocating tasks to a plurality of processors |
US7028090B2 (en) * | 2002-05-30 | 2006-04-11 | International Business Machines Corporation | Tokens utilized in a server system that have different access permissions at different access times and method of use |
US7565419B1 (en) | 2002-11-22 | 2009-07-21 | Symantec Operating Corporation | Conflict resolution in a peer to peer network |
US8516470B1 (en) * | 2002-12-16 | 2013-08-20 | Symantec Corporation | Version upgrade via viral infection |
US8010491B2 (en) * | 2003-02-28 | 2011-08-30 | Microsoft Corporation | Method for managing multiple file states for replicated files |
JP4271967B2 (ja) * | 2003-03-10 | 2009-06-03 | 株式会社日立製作所 | 分散ファイルシステム及び分散ファイルシステムの運用方法 |
US7631021B2 (en) * | 2005-03-25 | 2009-12-08 | Netapp, Inc. | Apparatus and method for data replication at an intermediate node |
US8180730B2 (en) * | 2008-11-25 | 2012-05-15 | International Business Machines Corporation | Arbitration token for managing data integrity and data accuracy of information services that utilize distributed data replicas |
US9772784B2 (en) | 2011-08-10 | 2017-09-26 | Nutanix, Inc. | Method and system for maintaining consistency for I/O operations on metadata distributed amongst nodes in a ring structure |
US9613052B2 (en) * | 2012-06-05 | 2017-04-04 | International Business Machines Corporation | Establishing trust within a cloud computing system |
US9590843B2 (en) | 2014-03-12 | 2017-03-07 | Nutanix, Inc. | Method and system for providing distributed management in a networked virtualization environment |
US10542049B2 (en) | 2014-05-09 | 2020-01-21 | Nutanix, Inc. | Mechanism for providing external access to a secured networked virtualization environment |
US9740472B1 (en) * | 2014-05-15 | 2017-08-22 | Nutanix, Inc. | Mechanism for performing rolling upgrades in a networked virtualization environment |
US9733958B2 (en) * | 2014-05-15 | 2017-08-15 | Nutanix, Inc. | Mechanism for performing rolling updates with data unavailability check in a networked virtualization environment for storage management |
US9569461B2 (en) * | 2014-06-11 | 2017-02-14 | The Boeing Company | Distributed data authority system |
US10642507B2 (en) | 2015-01-30 | 2020-05-05 | Nutanix, Inc. | Pulsed leader consensus management |
US11218418B2 (en) | 2016-05-20 | 2022-01-04 | Nutanix, Inc. | Scalable leadership election in a multi-processing computing environment |
US10362092B1 (en) | 2016-10-14 | 2019-07-23 | Nutanix, Inc. | Entity management in distributed systems |
US11194680B2 (en) | 2018-07-20 | 2021-12-07 | Nutanix, Inc. | Two node clusters recovery on a failure |
US11770447B2 (en) | 2018-10-31 | 2023-09-26 | Nutanix, Inc. | Managing high-availability file servers |
US20200202997A1 (en) * | 2018-12-19 | 2020-06-25 | Nutrino Health Ltd. | Automated method and system for generating personalized dietary and health advice or recommendations for individual users |
US11768809B2 (en) | 2020-05-08 | 2023-09-26 | Nutanix, Inc. | Managing incremental snapshots for fast leader node bring-up |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5175851A (en) * | 1989-05-15 | 1992-12-29 | International Business Machines Corporation | System and method for controlling client machine access to a portion of a file with a variable length |
JPH0451335A (ja) * | 1990-06-20 | 1992-02-19 | Oki Electric Ind Co Ltd | データベース処理装置 |
JP2533266B2 (ja) * | 1991-06-14 | 1996-09-11 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 共用デ―タシステムにおけるデ―タ資源のロッキング方法及びシステム間のデ―タロック管理方法 |
GB9116268D0 (en) * | 1991-07-27 | 1991-09-11 | Int Computers Ltd | Data processing system |
US5333316A (en) * | 1991-08-16 | 1994-07-26 | International Business Machines Corporation | Locking and row by row modification of a database stored in a single master table and multiple virtual tables of a plurality of concurrent users |
GB9204450D0 (en) * | 1992-03-02 | 1992-04-15 | Ibm | Concurrent access to indexed data files |
US5408653A (en) * | 1992-04-15 | 1995-04-18 | International Business Machines Corporation | Efficient data base access using a shared electronic store in a multi-system environment with shared disks |
US5526517A (en) * | 1992-05-15 | 1996-06-11 | Lsi Logic Corporation | Concurrently operating design tools in an electronic computer aided design system |
US5418945A (en) * | 1992-05-18 | 1995-05-23 | Motorola, Inc. | File based and highly available hybrid database |
US5418966A (en) * | 1992-10-16 | 1995-05-23 | International Business Machines Corporation | Updating replicated objects in a plurality of memory partitions |
US5469575A (en) * | 1992-10-16 | 1995-11-21 | International Business Machines Corporation | Determining a winner of a race in a data processing system |
US5485607A (en) * | 1993-02-05 | 1996-01-16 | Digital Equipment Corporation | Concurrency-control method and apparatus in a database management system utilizing key-valued locking |
US5544353A (en) * | 1993-06-14 | 1996-08-06 | International Business Machines Corporation | Distributed processing object shared resource control apparatus and method |
US5442758A (en) * | 1993-07-19 | 1995-08-15 | Sequent Computer Systems, Inc. | Apparatus and method for achieving reduced overhead mutual exclusion and maintaining coherency in a multiprocessor system utilizing execution history and thread monitoring |
US5546580A (en) * | 1994-04-15 | 1996-08-13 | Hewlett-Packard Company | Method and apparatus for coordinating concurrent updates to a medical information database |
US5551023A (en) * | 1994-08-05 | 1996-08-27 | Panasonic Technologies, Inc. | System of database concurrency control based on transaction types and prior access to a data set |
-
1995
- 1995-04-12 DE DE69504965T patent/DE69504965T2/de not_active Expired - Fee Related
- 1995-04-12 JP JP7527437A patent/JPH09512123A/ja active Pending
- 1995-04-12 NZ NZ283425A patent/NZ283425A/en unknown
- 1995-04-12 US US08/727,519 patent/US5884308A/en not_active Expired - Lifetime
- 1995-04-12 ES ES95914481T patent/ES2122574T3/es not_active Expired - Lifetime
- 1995-04-12 WO PCT/GB1995/000852 patent/WO1995029450A1/en active IP Right Grant
- 1995-04-12 EP EP95914481A patent/EP0756730B1/en not_active Expired - Lifetime
- 1995-04-12 CA CA002188154A patent/CA2188154C/en not_active Expired - Fee Related
- 1995-04-12 KR KR1019960705829A patent/KR970702529A/ko not_active Application Discontinuation
- 1995-04-12 CN CN95192692A patent/CN1146816A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0756730A1 (en) | 1997-02-05 |
CN1146816A (zh) | 1997-04-02 |
CA2188154C (en) | 2000-08-29 |
DE69504965D1 (de) | 1998-10-29 |
DE69504965T2 (de) | 1999-04-01 |
KR970702529A (ko) | 1997-05-13 |
JPH09512123A (ja) | 1997-12-02 |
AU690247B2 (en) | 1998-04-23 |
EP0756730B1 (en) | 1998-09-23 |
AU2146195A (en) | 1995-11-16 |
US5884308A (en) | 1999-03-16 |
NZ283425A (en) | 1998-05-27 |
WO1995029450A1 (en) | 1995-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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