GB2216368B - Bus arbitration method and apparatus - Google Patents

Bus arbitration method and apparatus

Info

Publication number
GB2216368B
GB2216368B GB8903961A GB8903961A GB2216368B GB 2216368 B GB2216368 B GB 2216368B GB 8903961 A GB8903961 A GB 8903961A GB 8903961 A GB8903961 A GB 8903961A GB 2216368 B GB2216368 B GB 2216368B
Authority
GB
United Kingdom
Prior art keywords
bus arbitration
arbitration method
bus
arbitration
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 - Fee Related
Application number
GB8903961A
Other versions
GB2216368A (en
GB8903961D0 (en
Inventor
Jon Rubinstein
Glen S Miranker
John Sanguinetti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ardent Computer Corp
Original Assignee
Ardent Computer Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ardent Computer Corp filed Critical Ardent Computer Corp
Publication of GB8903961D0 publication Critical patent/GB8903961D0/en
Publication of GB2216368A publication Critical patent/GB2216368A/en
Application granted granted Critical
Publication of GB2216368B publication Critical patent/GB2216368B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
GB8903961A 1988-02-24 1989-02-22 Bus arbitration method and apparatus Expired - Fee Related GB2216368B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15976988A 1988-02-24 1988-02-24

Publications (3)

Publication Number Publication Date
GB8903961D0 GB8903961D0 (en) 1989-04-05
GB2216368A GB2216368A (en) 1989-10-04
GB2216368B true GB2216368B (en) 1992-04-08

Family

ID=22573943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8903961A Expired - Fee Related GB2216368B (en) 1988-02-24 1989-02-22 Bus arbitration method and apparatus

Country Status (6)

Country Link
JP (1) JPH028948A (en)
AU (1) AU3022589A (en)
DE (1) DE3905478A1 (en)
FR (3) FR2627606A1 (en)
GB (1) GB2216368B (en)
IL (1) IL89355A0 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
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US8725731B2 (en) 2000-01-31 2014-05-13 Commvault Systems, Inc. Systems and methods for retrieving data in a computer network
US8725964B2 (en) 2000-01-31 2014-05-13 Commvault Systems, Inc. Interface systems and methods for accessing stored data
US8930319B2 (en) 1999-07-14 2015-01-06 Commvault Systems, Inc. Modular backup and retrieval system used in conjunction with a storage area network
US9003117B2 (en) 2003-06-25 2015-04-07 Commvault Systems, Inc. Hierarchical systems and methods for performing storage operations in a computer network
US9104340B2 (en) 2003-11-13 2015-08-11 Commvault Systems, Inc. Systems and methods for performing storage operations using network attached storage

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US5438222A (en) * 1989-08-28 1995-08-01 Semiconductor Energy Laboratory Co., Ltd. Electronic device with plural pad connection of semiconductor chip to leads
DE3928481C2 (en) * 1989-08-29 1994-09-22 Diehl Gmbh & Co Priority-oriented decentralized bus allocation system
TW400483B (en) * 1994-03-01 2000-08-01 Intel Corp High performance symmetric arbitration protocol with support for I/O requirements
US5515516A (en) * 1994-03-01 1996-05-07 Intel Corporation Initialization mechanism for symmetric arbitration agents
US6061599A (en) * 1994-03-01 2000-05-09 Intel Corporation Auto-configuration support for multiple processor-ready pair or FRC-master/checker pair
GB2337138B (en) * 1998-01-30 2002-12-18 * Sgs-Thomson Microelectronics Limited Arbitration
US7434219B2 (en) 2000-01-31 2008-10-07 Commvault Systems, Inc. Storage of application specific profiles correlating to document versions
JP2005505039A (en) 2001-09-28 2005-02-17 コムヴォールト・システムズ・インコーポレーテッド Apparatus and method for archiving objects in an information storage device
US7603672B1 (en) * 2003-12-23 2009-10-13 Unisys Corporation Programmable request handling system and method
US7734669B2 (en) 2006-12-22 2010-06-08 Commvault Systems, Inc. Managing copies of data
US8396838B2 (en) 2007-10-17 2013-03-12 Commvault Systems, Inc. Legal compliance, electronic discovery and electronic document handling of online and offline copies of data
US8769048B2 (en) 2008-06-18 2014-07-01 Commvault Systems, Inc. Data protection scheduling, such as providing a flexible backup window in a data protection system
US8352954B2 (en) 2008-06-19 2013-01-08 Commvault Systems, Inc. Data storage resource allocation by employing dynamic methods and blacklisting resource request pools
US9128883B2 (en) * 2008-06-19 2015-09-08 Commvault Systems, Inc Data storage resource allocation by performing abbreviated resource checks based on relative chances of failure of the data storage resources to determine whether data storage requests would fail
US8725688B2 (en) 2008-09-05 2014-05-13 Commvault Systems, Inc. Image level copy or restore, such as image level restore without knowledge of data object metadata
US20100070474A1 (en) 2008-09-12 2010-03-18 Lad Kamleshkumar K Transferring or migrating portions of data objects, such as block-level data migration or chunk-based data migration
US9021198B1 (en) 2011-01-20 2015-04-28 Commvault Systems, Inc. System and method for sharing SAN storage
US8849762B2 (en) 2011-03-31 2014-09-30 Commvault Systems, Inc. Restoring computing environments, such as autorecovery of file systems at certain points in time
US8490107B2 (en) 2011-08-08 2013-07-16 Arm Limited Processing resource allocation within an integrated circuit supporting transaction requests of different priority levels
US10157184B2 (en) 2012-03-30 2018-12-18 Commvault Systems, Inc. Data previewing before recalling large data files
US9633216B2 (en) 2012-12-27 2017-04-25 Commvault Systems, Inc. Application of information management policies based on operation with a geographic entity
US9459968B2 (en) 2013-03-11 2016-10-04 Commvault Systems, Inc. Single index to query multiple backup formats
US10169121B2 (en) 2014-02-27 2019-01-01 Commvault Systems, Inc. Work flow management for an information management system
US9648100B2 (en) 2014-03-05 2017-05-09 Commvault Systems, Inc. Cross-system storage management for transferring data across autonomous information management systems
US9823978B2 (en) 2014-04-16 2017-11-21 Commvault Systems, Inc. User-level quota management of data objects stored in information management systems
US9740574B2 (en) 2014-05-09 2017-08-22 Commvault Systems, Inc. Load balancing across multiple data paths
US11249858B2 (en) 2014-08-06 2022-02-15 Commvault Systems, Inc. Point-in-time backups of a production application made accessible over fibre channel and/or ISCSI as data sources to a remote application by representing the backups as pseudo-disks operating apart from the production application and its host
US9852026B2 (en) 2014-08-06 2017-12-26 Commvault Systems, Inc. Efficient application recovery in an information management system based on a pseudo-storage-device driver
US9444811B2 (en) 2014-10-21 2016-09-13 Commvault Systems, Inc. Using an enhanced data agent to restore backed up data across autonomous storage management systems
US9766825B2 (en) 2015-07-22 2017-09-19 Commvault Systems, Inc. Browse and restore for block-level backups
US10296368B2 (en) 2016-03-09 2019-05-21 Commvault Systems, Inc. Hypervisor-independent block-level live browse for access to backed up virtual machine (VM) data and hypervisor-free file-level recovery (block-level pseudo-mount)
US10838821B2 (en) 2017-02-08 2020-11-17 Commvault Systems, Inc. Migrating content and metadata from a backup system
US10740193B2 (en) 2017-02-27 2020-08-11 Commvault Systems, Inc. Hypervisor-independent reference copies of virtual machine payload data based on block-level pseudo-mount
US10891069B2 (en) 2017-03-27 2021-01-12 Commvault Systems, Inc. Creating local copies of data stored in online data repositories
US10776329B2 (en) 2017-03-28 2020-09-15 Commvault Systems, Inc. Migration of a database management system to cloud storage
US11074140B2 (en) 2017-03-29 2021-07-27 Commvault Systems, Inc. Live browsing of granular mailbox data
US10664352B2 (en) 2017-06-14 2020-05-26 Commvault Systems, Inc. Live browsing of backed up data residing on cloned disks
US10795927B2 (en) 2018-02-05 2020-10-06 Commvault Systems, Inc. On-demand metadata extraction of clinical image data
US10761942B2 (en) 2018-03-12 2020-09-01 Commvault Systems, Inc. Recovery point objective (RPO) driven backup scheduling in a data storage management system using an enhanced data agent
US10789387B2 (en) 2018-03-13 2020-09-29 Commvault Systems, Inc. Graphical representation of an information management system
US10860443B2 (en) 2018-12-10 2020-12-08 Commvault Systems, Inc. Evaluation and reporting of recovery readiness in a data storage management system
US11308034B2 (en) 2019-06-27 2022-04-19 Commvault Systems, Inc. Continuously run log backup with minimal configuration and resource usage from the source machine
US12019525B2 (en) * 2021-10-05 2024-06-25 Commvault Systems, Inc. Cloud-based recovery of backed up data using auxiliary copy replication and on-demand failover resources

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1063296A (en) * 1963-05-31 1967-03-30 Automatic Telephone & Elect Improvements in or relating to data handling systems
EP0032182A1 (en) * 1979-12-03 1981-07-22 HONEYWELL INFORMATION SYSTEMS ITALIA S.p.A. Apparatus for accessing to common resources by several processors in a multiprocessor system
GB2076191A (en) * 1978-12-26 1981-11-25 Honeywell Inf Systems Improvements In or Relating to Terminal Systems for Data Processors
EP0129487A1 (en) * 1983-06-21 1984-12-27 Electricite De France Computer with automatic switching of peripheral units, and peripheral unit suited for such a switching
WO1988002150A1 (en) * 1986-09-19 1988-03-24 Datapoint Corporation Arbitration technique for a split transaction bus in a multprocessor computer system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0121030B1 (en) * 1983-03-29 1987-11-11 International Business Machines Corporation Arbitration device for the allocation of a common resource to a selected unit of a data processing system
US4719569A (en) * 1985-10-11 1988-01-12 Sun Microsystems, Inc. Arbitrator for allocating access to data processing resources

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1063296A (en) * 1963-05-31 1967-03-30 Automatic Telephone & Elect Improvements in or relating to data handling systems
GB2076191A (en) * 1978-12-26 1981-11-25 Honeywell Inf Systems Improvements In or Relating to Terminal Systems for Data Processors
EP0032182A1 (en) * 1979-12-03 1981-07-22 HONEYWELL INFORMATION SYSTEMS ITALIA S.p.A. Apparatus for accessing to common resources by several processors in a multiprocessor system
EP0129487A1 (en) * 1983-06-21 1984-12-27 Electricite De France Computer with automatic switching of peripheral units, and peripheral unit suited for such a switching
WO1988002150A1 (en) * 1986-09-19 1988-03-24 Datapoint Corporation Arbitration technique for a split transaction bus in a multprocessor computer system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8930319B2 (en) 1999-07-14 2015-01-06 Commvault Systems, Inc. Modular backup and retrieval system used in conjunction with a storage area network
US8725731B2 (en) 2000-01-31 2014-05-13 Commvault Systems, Inc. Systems and methods for retrieving data in a computer network
US8725964B2 (en) 2000-01-31 2014-05-13 Commvault Systems, Inc. Interface systems and methods for accessing stored data
US9003137B2 (en) 2000-01-31 2015-04-07 Commvault Systems, Inc. Interface systems and methods for accessing stored data
US9003117B2 (en) 2003-06-25 2015-04-07 Commvault Systems, Inc. Hierarchical systems and methods for performing storage operations in a computer network
US9104340B2 (en) 2003-11-13 2015-08-11 Commvault Systems, Inc. Systems and methods for performing storage operations using network attached storage

Also Published As

Publication number Publication date
AU3022589A (en) 1989-08-24
DE3905478A1 (en) 1989-09-07
FR2627606A1 (en) 1989-08-25
FR2630840A1 (en) 1989-11-03
GB2216368A (en) 1989-10-04
GB8903961D0 (en) 1989-04-05
JPH028948A (en) 1990-01-12
IL89355A0 (en) 1989-09-10
FR2630839A1 (en) 1989-11-03

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960222