DE69928202D1 - Extern ansteuerbare Umgehungsschaltung - Google Patents

Extern ansteuerbare Umgehungsschaltung

Info

Publication number
DE69928202D1
DE69928202D1 DE69928202T DE69928202T DE69928202D1 DE 69928202 D1 DE69928202 D1 DE 69928202D1 DE 69928202 T DE69928202 T DE 69928202T DE 69928202 T DE69928202 T DE 69928202T DE 69928202 D1 DE69928202 D1 DE 69928202D1
Authority
DE
Germany
Prior art keywords
bypass circuit
externally controllable
controllable bypass
externally
circuit
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
DE69928202T
Other languages
English (en)
Other versions
DE69928202T2 (de
Inventor
James L White
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69928202D1 publication Critical patent/DE69928202D1/de
Application granted granted Critical
Publication of DE69928202T2 publication Critical patent/DE69928202T2/de
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
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2094—Redundant storage or storage space
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
    • G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1658—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit
    • G06F11/1662—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit the resynchronized component or unit being a persistent storage device

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Bus Control (AREA)
  • Hardware Redundancy (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
DE69928202T 1998-11-15 1999-11-15 Extern ansteuerbare Umgehungsschaltung Expired - Fee Related DE69928202T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US192548 1998-11-15
US09/192,548 US6260079B1 (en) 1998-11-15 1998-11-15 Method and system for enhancing fibre channel loop resiliency for a mass storage enclosure by increasing component redundancy and using shunt elements and intelligent bypass management

Publications (2)

Publication Number Publication Date
DE69928202D1 true DE69928202D1 (de) 2005-12-15
DE69928202T2 DE69928202T2 (de) 2006-10-26

Family

ID=22710132

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69928202T Expired - Fee Related DE69928202T2 (de) 1998-11-15 1999-11-15 Extern ansteuerbare Umgehungsschaltung

Country Status (4)

Country Link
US (2) US6260079B1 (de)
EP (1) EP1005200B1 (de)
JP (1) JP2000215151A (de)
DE (1) DE69928202T2 (de)

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KR100313896B1 (ko) * 1999-01-29 2001-11-15 구자홍 버스 시스템에서의 루프 형성 제거장치 및 방법
US6785742B1 (en) * 1999-02-24 2004-08-31 Brocade Communications Systems, Inc. SCSI enclosure services
US6581136B1 (en) * 1999-06-30 2003-06-17 Emc Corporation Fibre channel data storage system having expansion/contraction
US6567890B1 (en) * 1999-06-30 2003-05-20 Emc Corporation Fibre channel port by-pass selector section for dual ported disk drives
US6629216B1 (en) * 1999-06-30 2003-09-30 Emc Corporation Fibre channel by-pass
US6636934B1 (en) 1999-06-30 2003-10-21 Emc Corporation Fiber channel port by-pass selector section for dual ported disk drives
US6615315B1 (en) * 1999-12-29 2003-09-02 Emc Corporation Fibre channel data storage system having improved fro-end I/O adapted hub
US6560683B1 (en) * 1999-12-29 2003-05-06 Emc Corporation Fibre channel data storage system having improved rear-end I/O adapted hub
US6574687B1 (en) 1999-12-29 2003-06-03 Emc Corporation Fibre channel data storage system
US6571355B1 (en) 1999-12-29 2003-05-27 Emc Corporation Fibre channel data storage system fail-over mechanism
JP2001222385A (ja) * 2000-02-10 2001-08-17 Hitachi Ltd 記憶装置および情報処理システム
US8160863B2 (en) 2000-03-28 2012-04-17 Ionipas Transfer Company, Llc System and method for connecting a logic circuit simulation to a network
US7266490B2 (en) 2000-12-28 2007-09-04 Robert Marc Zeidman Apparatus and method for connecting hardware to a circuit simulation
WO2001095565A2 (en) * 2000-06-02 2001-12-13 Inrange Technologies Corporation Address conversion method and device in a fibre channel switch
US7162654B1 (en) * 2001-01-04 2007-01-09 3Pardata, Inc. Isolation of I2C buses in a multiple power domain environment using switches
US6833634B1 (en) * 2001-01-04 2004-12-21 3Pardata, Inc. Disk enclosure with multiple power domains
US7036033B1 (en) * 2001-01-04 2006-04-25 3Pardata, Inc. Disk enclosure with multiplexers for connecting 12C buses in multiple power domains
US7346674B1 (en) * 2001-06-07 2008-03-18 Emc Corporation Configurable fibre channel loop system
US7200108B2 (en) * 2001-06-29 2007-04-03 International Business Machines Corporation Method and apparatus for recovery from faults in a loop network
US7107343B2 (en) * 2001-07-12 2006-09-12 Adaptec, Inc. Method and apparatus for improved RAID 1 write performance in low cost systems
JP3747407B2 (ja) 2001-11-13 2006-02-22 インターナショナル・ビジネス・マシーンズ・コーポレーション ディスクエンクロージャおよびディスクストレージ
US7206953B1 (en) 2001-12-17 2007-04-17 Adaptec, Inc. Asynchronous fault-tolerant enclosure services interface
US6950969B2 (en) * 2001-12-28 2005-09-27 Hewlett-Packard Development Company, L.P. Cascadable dual fan controller
GB2384405B (en) * 2002-01-19 2004-10-06 Ibm Method and apparatus for detection of port name in a loop network
GB0201208D0 (en) * 2002-01-19 2002-03-06 Ibm Method and apparatus for hard address conflict resolution for enclosures in a loop network
US20030154285A1 (en) * 2002-02-13 2003-08-14 International Business Machines Corporation Method and system for assigning network addreses
JP4166516B2 (ja) * 2002-06-14 2008-10-15 株式会社日立製作所 ディスクアレイ装置
US7055068B2 (en) * 2002-07-25 2006-05-30 Lsi Logic Corporation Method for validating operation of a fibre link
US7085958B2 (en) * 2003-01-17 2006-08-01 International Business Machines Corporation System and method for isolating a faulty switch, storage device or SFP in a daisy-chained configuration
US7317689B1 (en) * 2003-02-10 2008-01-08 Foundry Networks, Inc. System and method to access and address high-speed interface converter devices
US7143306B2 (en) * 2003-03-31 2006-11-28 Emc Corporation Data storage system
US7103808B2 (en) * 2003-04-10 2006-09-05 International Business Machines Corporation Apparatus for reporting and isolating errors below a host bridge
US7401254B2 (en) * 2003-04-23 2008-07-15 Dot Hill Systems Corporation Apparatus and method for a server deterministically killing a redundant server integrated within the same network storage appliance chassis
US7565566B2 (en) * 2003-04-23 2009-07-21 Dot Hill Systems Corporation Network storage appliance with an integrated switch
US7330999B2 (en) * 2003-04-23 2008-02-12 Dot Hill Systems Corporation Network storage appliance with integrated redundant servers and storage controllers
US7627780B2 (en) * 2003-04-23 2009-12-01 Dot Hill Systems Corporation Apparatus and method for deterministically performing active-active failover of redundant servers in a network storage appliance
US7551850B2 (en) * 2003-05-15 2009-06-23 International Business Machines Corporation Highly available redundant optical modules using single network connection
US7290086B2 (en) * 2003-05-28 2007-10-30 International Business Machines Corporation Method, apparatus and program storage device for providing asynchronous status messaging in a data storage system
US7154723B1 (en) * 2003-06-27 2006-12-26 Emc Corporation Highly available dual serial bus architecture
JP4480386B2 (ja) * 2003-11-28 2010-06-16 株式会社日立製作所 ディスクアレイ装置及びディスクアレイ装置のデータ中継方法
JP2005339216A (ja) * 2004-05-27 2005-12-08 Hitachi Ltd 記憶制御システム
US8019842B1 (en) * 2005-01-27 2011-09-13 Netapp, Inc. System and method for distributing enclosure services data to coordinate shared storage
US7607043B2 (en) * 2006-01-04 2009-10-20 International Business Machines Corporation Analysis of mutually exclusive conflicts among redundant devices
EP1830268B1 (de) * 2006-03-03 2019-05-08 STMicroelectronics (Research & Development) Limited Integrierte Mehrzweckschaltung
US7478299B2 (en) * 2006-08-14 2009-01-13 International Business Machines Corporation Processor fault isolation
JP5163245B2 (ja) * 2008-04-08 2013-03-13 日本電気株式会社 ファイバチャネルスイッチ監視装置、方法及びプログラム
CN102484749A (zh) * 2009-04-01 2012-05-30 戴维·兹尔勃贝格 降低catv家用放大器上行通路中噪声的系统和方法
US20170199834A1 (en) * 2016-01-13 2017-07-13 Ford Global Technologies, Llc Vehicle subsystem communication arbitration
US10310760B1 (en) 2018-05-21 2019-06-04 Pure Storage, Inc. Layering communication fabric protocols
US12086431B1 (en) 2018-05-21 2024-09-10 Pure Storage, Inc. Selective communication protocol layering for synchronous replication
US11954220B2 (en) 2018-05-21 2024-04-09 Pure Storage, Inc. Data protection for container storage
US11150977B1 (en) * 2018-11-14 2021-10-19 Facebook, Inc. Systems and methods for remediating computing resources

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US4791531A (en) * 1987-03-09 1988-12-13 Tech-S, Inc. Extruded enclosure for electrical apparatus
US5262990A (en) * 1991-07-12 1993-11-16 Intel Corporation Memory device having selectable number of output pins
US5729763A (en) 1995-08-15 1998-03-17 Emc Corporation Data storage system
US5787265A (en) * 1995-09-28 1998-07-28 Emc Corporation Bus arbitration system having a pair of logic networks to control data transfer between a memory and a pair of buses
US5768551A (en) 1995-09-29 1998-06-16 Emc Corporation Inter connected loop channel for reducing electrical signal jitter
US5812754A (en) 1996-09-18 1998-09-22 Silicon Graphics, Inc. Raid system with fibre channel arbitrated loop
AU4600497A (en) 1996-11-14 1998-06-03 Data General Corporation Dynamically upgradeable disk array system and method
US6504817B2 (en) 1997-03-31 2003-01-07 Hewlett-Packard Company Fiber channel arbitrated loop dynamic loop sizing
US5949272A (en) * 1997-06-12 1999-09-07 International Business Machines Corporation Bidirectional off-chip driver with receiver bypass
US6075398A (en) * 1998-06-01 2000-06-13 S3 Incorporated Tunable digital oscillator circuit and method for producing clock signals of different frequencies

Also Published As

Publication number Publication date
US6260079B1 (en) 2001-07-10
EP1005200A2 (de) 2000-05-31
EP1005200A3 (de) 2000-12-13
DE69928202T2 (de) 2006-10-26
EP1005200B1 (de) 2005-11-09
US20020010881A1 (en) 2002-01-24
JP2000215151A (ja) 2000-08-04

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee