DE60115839D1 - Verfahren und Gerät für die Erstellung von Mehrweg-Ein/Ausgaben unter Verwendung des Befehls "SCSI persistent reserve" - Google Patents

Verfahren und Gerät für die Erstellung von Mehrweg-Ein/Ausgaben unter Verwendung des Befehls "SCSI persistent reserve"

Info

Publication number
DE60115839D1
DE60115839D1 DE60115839T DE60115839T DE60115839D1 DE 60115839 D1 DE60115839 D1 DE 60115839D1 DE 60115839 T DE60115839 T DE 60115839T DE 60115839 T DE60115839 T DE 60115839T DE 60115839 D1 DE60115839 D1 DE 60115839D1
Authority
DE
Germany
Prior art keywords
scsi
command
persistent reserve
storage system
multiple paths
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
Application number
DE60115839T
Other languages
English (en)
Other versions
DE60115839T2 (de
Inventor
John T Flynn
Richard H Johnson
Limei M Shaw
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE60115839D1 publication Critical patent/DE60115839D1/de
Publication of DE60115839T2 publication Critical patent/DE60115839T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G06F11/2002—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 interconnections or communication control functionality are redundant
    • G06F11/2007—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 interconnections or communication control functionality are redundant using redundant communication media
    • 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
    • G06F11/2002—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 interconnections or communication control functionality are redundant
    • G06F11/2005—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 interconnections or communication control functionality are redundant using redundant communication controllers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0614—Improving the reliability of storage systems
    • G06F3/0617—Improving the reliability of storage systems in relation to availability
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0629—Configuration or reconfiguration of storage systems
    • G06F3/0635—Configuration or reconfiguration of storage systems by changing the path, e.g. traffic rerouting, path reconfiguration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
    • G06F3/0671—In-line storage system
    • G06F3/0683—Plurality of storage devices
    • G06F3/0689—Disk arrays, e.g. RAID, JBOD
    • 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
    • G06F11/202—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 processing functionality is redundant
    • G06F11/2023—Failover techniques
    • G06F11/2033—Failover techniques switching over of hardware resources
    • 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
    • G06F11/202—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 processing functionality is redundant
    • G06F11/2038—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 processing functionality is redundant with a single idle spare processing component

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer And Data Communications (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Debugging And Monitoring (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Communication Control (AREA)
DE60115839T 2000-10-13 2001-10-12 Verfahren und Gerät für die Erstellung von Mehrweg-Ein/Ausgaben unter Verwendung des Befehls "SCSI persistent reserve" Expired - Lifetime DE60115839T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/687,335 US6954881B1 (en) 2000-10-13 2000-10-13 Method and apparatus for providing multi-path I/O in non-concurrent clustering environment using SCSI-3 persistent reserve
US687335 2000-10-13

Publications (2)

Publication Number Publication Date
DE60115839D1 true DE60115839D1 (de) 2006-01-19
DE60115839T2 DE60115839T2 (de) 2006-07-20

Family

ID=24760045

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60115839T Expired - Lifetime DE60115839T2 (de) 2000-10-13 2001-10-12 Verfahren und Gerät für die Erstellung von Mehrweg-Ein/Ausgaben unter Verwendung des Befehls "SCSI persistent reserve"

Country Status (9)

Country Link
US (1) US6954881B1 (de)
EP (1) EP1246060B1 (de)
JP (1) JP3659342B2 (de)
KR (1) KR100424242B1 (de)
CN (1) CN1186726C (de)
AT (1) ATE313114T1 (de)
DE (1) DE60115839T2 (de)
SG (1) SG100764A1 (de)
TW (1) TW525056B (de)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7277952B2 (en) * 2001-09-28 2007-10-02 Microsoft Corporation Distributed system resource protection via arbitration and ownership
US7406039B2 (en) * 2002-02-26 2008-07-29 Dell Products L.P. System and method for a failover protocol in storage area network controllers
JP3882783B2 (ja) * 2002-05-31 2007-02-21 オムロン株式会社 プログラマブルコントローラ及びｃｐｕユニット並びに通信ユニット及び通信ユニットの制御方法
US7711539B1 (en) * 2002-08-12 2010-05-04 Netapp, Inc. System and method for emulating SCSI reservations using network file access protocols
US7307948B2 (en) * 2002-10-21 2007-12-11 Emulex Design & Manufacturing Corporation System with multiple path fail over, fail back and load balancing
US20040139196A1 (en) * 2003-01-09 2004-07-15 Dell Products L.P. System and method for releasing device reservations
US7272674B1 (en) * 2003-06-30 2007-09-18 Veritas Operating Corporation System and method for storage device active path coordination among hosts
US7085867B2 (en) * 2003-08-06 2006-08-01 Lsi Logic Corporation Methods and structure for SCSI2 to SCSI3 reservation protocol mapping
US8239552B2 (en) * 2003-08-21 2012-08-07 Microsoft Corporation Providing client access to devices over a network
US7127545B1 (en) 2003-11-19 2006-10-24 Veritas Operating Corporation System and method for dynamically loadable storage device I/O policy modules
US7418545B2 (en) 2004-10-28 2008-08-26 Intel Corporation Integrated circuit capable of persistent reservations
US7370128B2 (en) 2004-10-29 2008-05-06 Intel Corporation Expander device capable of communication protocol translation
US7487403B2 (en) * 2004-11-12 2009-02-03 International Business Machines Corporation Method for handling a device failure
US7496745B1 (en) * 2005-02-04 2009-02-24 Qlogic, Corporation Method and system for managing storage area networks
US7577802B1 (en) * 2005-04-18 2009-08-18 Netapp, Inc. Accessing a reservable device by transiently clearing a persistent reservation on the device in multi-host system
JP4506594B2 (ja) * 2005-07-22 2010-07-21 日本電気株式会社 冗長パス制御方法
US7937617B1 (en) 2005-10-28 2011-05-03 Symantec Operating Corporation Automatic clusterwide fail-back
US20070168507A1 (en) * 2005-11-15 2007-07-19 Microsoft Corporation Resource arbitration via persistent reservation
US8972613B2 (en) 2006-10-31 2015-03-03 Hewlett-Packard Development Company, L.P. System and method for increasing input/output throughput in a data storage system
US8060775B1 (en) 2007-06-14 2011-11-15 Symantec Corporation Method and apparatus for providing dynamic multi-pathing (DMP) for an asymmetric logical unit access (ALUA) based storage system
US7890555B2 (en) * 2007-07-10 2011-02-15 International Business Machines Corporation File system mounting in a clustered file system
US8156164B2 (en) 2007-07-11 2012-04-10 International Business Machines Corporation Concurrent directory update in a cluster file system
CN101471830B (zh) * 2007-12-25 2011-02-02 英业达股份有限公司 Linux***下的多路径访问远程逻辑设备的方法
US7844757B2 (en) 2008-06-12 2010-11-30 International Machines Business Corporation Method and system for providing multiple paths to user data stored on a SCSI disk
US7840730B2 (en) 2008-06-27 2010-11-23 Microsoft Corporation Cluster shared volumes
US8719473B2 (en) * 2008-09-19 2014-05-06 Microsoft Corporation Resource arbitration for shared-write access via persistent reservation
US8380938B2 (en) 2010-02-24 2013-02-19 International Business Machines Corporation Providing shared access to data storage resources across cluster computing environment boundaries
US20120102561A1 (en) * 2010-10-26 2012-04-26 International Business Machines Corporation Token-based reservations for scsi architectures
US8463762B2 (en) 2010-12-17 2013-06-11 Microsoft Corporation Volumes and file system in cluster shared volumes
US9652469B2 (en) 2011-06-04 2017-05-16 Microsoft Technology Licensing, Llc Clustered file service
US8627431B2 (en) 2011-06-04 2014-01-07 Microsoft Corporation Distributed network name
US8639856B2 (en) * 2011-08-04 2014-01-28 International Business Machines Corporation SCSI reservation status information on a SAN disk
US8984220B1 (en) * 2011-09-30 2015-03-17 Emc Corporation Storage path management host view
US9323468B2 (en) * 2012-02-06 2016-04-26 Hitachi, Ltd. Computer system and data input/output method
US8738701B2 (en) 2012-02-28 2014-05-27 Microsoft Corporation Arbitration of disk ownership in a storage pool
US10404520B2 (en) 2013-05-29 2019-09-03 Microsoft Technology Licensing, Llc Efficient programmatic memory access over network file access protocols
US9641614B2 (en) 2013-05-29 2017-05-02 Microsoft Technology Licensing, Llc Distributed storage defense in a cluster
CN104423889B (zh) * 2013-08-26 2017-06-16 国际商业机器公司 一种多路径管理方法和***
US9378154B2 (en) 2014-05-02 2016-06-28 International Business Machines Corporation Secure reservation mode for logical unit numbers and persistent reservations
TWI511037B (zh) * 2014-05-09 2015-12-01 Wistron Corp 儲存叢集化系統與提供對叢集式儲存的存取的方法
US9645872B1 (en) * 2015-03-27 2017-05-09 EMC IP Holding Company LLC Method to use multipath to reduce IO error handle duration
US9547441B1 (en) 2015-06-23 2017-01-17 Pure Storage, Inc. Exposing a geometry of a storage device
US10310740B2 (en) 2015-06-23 2019-06-04 Pure Storage, Inc. Aligning memory access operations to a geometry of a storage device
US11269884B2 (en) 2015-09-04 2022-03-08 Pure Storage, Inc. Dynamically resizable structures for approximate membership queries
KR20170028825A (ko) 2015-09-04 2017-03-14 퓨어 스토리지, 아이앤씨. 압축된 인덱스들을 사용한 해시 테이블들에서의 메모리 효율적인 스토리지 및 탐색
US11341136B2 (en) 2015-09-04 2022-05-24 Pure Storage, Inc. Dynamically resizable structures for approximate membership queries
CN106557276B (zh) * 2015-09-30 2021-02-23 中兴通讯股份有限公司 存储接管、切换处理方法及装置
US10452297B1 (en) 2016-05-02 2019-10-22 Pure Storage, Inc. Generating and optimizing summary index levels in a deduplication storage system
US9940060B1 (en) 2016-05-02 2018-04-10 Pure Storage, Inc. Memory use and eviction in a deduplication storage system
US10133503B1 (en) 2016-05-02 2018-11-20 Pure Storage, Inc. Selecting a deduplication process based on a difference between performance metrics
US10628182B2 (en) 2016-07-11 2020-04-21 Pure Storage, Inc. Generation of an instruction guide based on a current hardware configuration of a system
US10540095B1 (en) 2016-08-12 2020-01-21 Pure Storage, Inc. Efficient garbage collection for stable data
CN106484327B (zh) * 2016-09-20 2019-07-23 华为技术有限公司 一种数据处理方法及相关存储设备
US9747039B1 (en) 2016-10-04 2017-08-29 Pure Storage, Inc. Reservations over multiple paths on NVMe over fabrics
US10678432B1 (en) 2016-10-04 2020-06-09 Pure Storage, Inc. User space and kernel space access to memory devices through private queues
US10162523B2 (en) 2016-10-04 2018-12-25 Pure Storage, Inc. Migrating data between volumes using virtual copy operation
US10191662B2 (en) 2016-10-04 2019-01-29 Pure Storage, Inc. Dynamic allocation of segments in a flash storage system
US20180095788A1 (en) 2016-10-04 2018-04-05 Pure Storage, Inc. Scheduling operations for a storage device
US10481798B2 (en) 2016-10-28 2019-11-19 Pure Storage, Inc. Efficient flash management for multiple controllers
US10185505B1 (en) 2016-10-28 2019-01-22 Pure Storage, Inc. Reading a portion of data to replicate a volume based on sequence numbers
US10359942B2 (en) 2016-10-31 2019-07-23 Pure Storage, Inc. Deduplication aware scalable content placement
US11307998B2 (en) 2017-01-09 2022-04-19 Pure Storage, Inc. Storage efficiency of encrypted host system data
US10387661B2 (en) 2017-01-09 2019-08-20 Pure Storage, Inc. Data reduction with end-to-end security
US10719273B2 (en) * 2017-01-24 2020-07-21 Wyse Technology L.L.C. Enabling SCSI commands that are not supported by a client terminal
US10528280B1 (en) 2017-01-31 2020-01-07 Pure Storage, Inc. Tombstones for no longer relevant deduplication entries
JP6933107B2 (ja) * 2017-11-22 2021-09-08 富士通株式会社 ストレージシステム，ストレージ制御装置およびストレージ制御プログラム
US11397545B1 (en) 2021-01-20 2022-07-26 Pure Storage, Inc. Emulating persistent reservations in a cloud-based storage system

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207609A (en) 1978-05-08 1980-06-10 International Business Machines Corporation Method and means for path independent device reservation and reconnection in a multi-CPU and shared device access system
US4445605A (en) 1980-08-25 1984-05-01 Horton Industries, Inc. Spring engaged fluid released fan clutch for a live shaft
US5239632A (en) 1992-04-16 1993-08-24 Hewlett-Packard Company Device to translate logical unit number communications on one SCSI bus to ID communications on a subordinate SCSI bus
JPH08328991A (ja) 1995-03-30 1996-12-13 Canon Inc インタフェース装置
US5909595A (en) 1995-05-15 1999-06-01 Nvidia Corporation Method of controlling I/O routing by setting connecting context for utilizing I/O processing elements within a computer system to produce multimedia effects
JPH08314843A (ja) 1995-05-22 1996-11-29 Hitachi Ltd 計算機システム
US6532547B1 (en) * 1995-06-16 2003-03-11 Emc Corporation Redundant peripheral device subsystem
JP3190546B2 (ja) 1995-08-29 2001-07-23 株式会社日立製作所 ブロックアドレスの変換方法および回転型記憶サブシステムの制御方法ならびにディスクサブシステム
US5768623A (en) 1995-09-19 1998-06-16 International Business Machines Corporation System and method for sharing multiple storage arrays by dedicating adapters as primary controller and secondary controller for arrays reside in different host computers
US5790775A (en) * 1995-10-23 1998-08-04 Digital Equipment Corporation Host transparent storage controller failover/failback of SCSI targets and associated units
JP3628777B2 (ja) * 1995-10-30 2005-03-16 株式会社日立製作所 外部記憶装置
US5867736A (en) 1996-03-29 1999-02-02 Lsi Logic Corporation Methods for simplified integration of host based storage array control functions using read and write operations on a storage array control port
US5925120A (en) 1996-06-18 1999-07-20 Hewlett-Packard Company Self-contained high speed repeater/lun converter which controls all SCSI operations between the host SCSI bus and local SCSI bus
US5828876A (en) 1996-07-31 1998-10-27 Ncr Corporation File system for a clustered processing system
US5892955A (en) 1996-09-20 1999-04-06 Emc Corporation Control of a multi-user disk storage system
US6073218A (en) 1996-12-23 2000-06-06 Lsi Logic Corp. Methods and apparatus for coordinating shared multiple raid controller access to common storage devices
US6151684A (en) * 1997-03-28 2000-11-21 Tandem Computers Incorporated High availability access to input/output devices in a distributed system
US6009535A (en) * 1997-06-30 1999-12-28 Emc Corporation SCSI adaptor failover for a disk drive system
US6073188A (en) 1997-07-25 2000-06-06 Compaq Computer Corporation Electronic switchbox for selection and sharing of internal peripheral devices among different computers, the internal peripheral devices located in slots of a chassis
US5937428A (en) 1997-08-06 1999-08-10 Lsi Logic Corporation Method for host-based I/O workload balancing on redundant array controllers
US6145028A (en) * 1997-12-11 2000-11-07 Ncr Corporation Enhanced multi-pathing to an array of storage devices
US6021454A (en) 1998-03-27 2000-02-01 Adaptec, Inc. Data transfer between small computer system interface systems
JP3331960B2 (ja) 1998-04-22 2002-10-07 日本電気株式会社 ホストコンピュータシステム
JPH11345175A (ja) * 1998-06-02 1999-12-14 Nec Kofu Ltd 代替パス制御システム及び方法
US6286056B1 (en) 1998-06-26 2001-09-04 Seagate Technology Llc Data storage device with small computer system interface providing persistent reservations
JP2000047950A (ja) 1998-07-24 2000-02-18 Hitachi Ltd 外部記憶装置
US6115772A (en) 1998-09-18 2000-09-05 International Business Machines, Inc. System and method for host expansion and connection adaptability for a SCSI storage array
US6182167B1 (en) 1998-10-22 2001-01-30 International Business Machines Corporation Automatic sharing of SCSI multiport device with standard command protocol in conjunction with offline signaling
KR20000045794A (ko) * 1998-12-30 2000-07-25 서평원 스카시 버스 장애시의 재접속 방법
US6484229B1 (en) 1999-03-05 2002-11-19 Hitachi, Ltd. Magnetic disk apparatus
US6256695B1 (en) * 1999-03-15 2001-07-03 Western Digital Corporation Disk drive method of determining SCSI bus state information after a SCSI bus reset condition
US6408343B1 (en) * 1999-03-29 2002-06-18 Hewlett-Packard Company Apparatus and method for failover detection
TW457475B (en) * 1999-12-08 2001-10-01 Inventec Corp Status detecting method for hard disk drivers
US6658587B1 (en) 2000-01-10 2003-12-02 Sun Microsystems, Inc. Emulation of persistent group reservations
US6728905B1 (en) * 2000-03-03 2004-04-27 International Business Machines Corporation Apparatus and method for rebuilding a logical device in a cluster computer system
US6772231B2 (en) * 2000-06-02 2004-08-03 Hewlett-Packard Development Company, L.P. Structure and process for distributing SCSI LUN semantics across parallel distributed components

Also Published As

Publication number Publication date
JP3659342B2 (ja) 2005-06-15
EP1246060A1 (de) 2002-10-02
CN1348134A (zh) 2002-05-08
DE60115839T2 (de) 2006-07-20
SG100764A1 (en) 2003-12-26
KR20020029605A (ko) 2002-04-19
ATE313114T1 (de) 2005-12-15
JP2002163156A (ja) 2002-06-07
EP1246060B1 (de) 2005-12-14
KR100424242B1 (ko) 2004-03-24
US6954881B1 (en) 2005-10-11
CN1186726C (zh) 2005-01-26
TW525056B (en) 2003-03-21

Similar Documents

Publication Publication Date Title
DE60115839D1 (de) Verfahren und Gerät für die Erstellung von Mehrweg-Ein/Ausgaben unter Verwendung des Befehls "SCSI persistent reserve"
DE69535187D1 (de) Speichersteuergerät und Bussteuerungsverfahren dafür
DE69631106D1 (de) On-line-Rekonfiguration einer Speicherplattenanordnung
EP1465049A3 (de) Speichersystem und Verfahren zu dessen Steuerung
EP1107103A3 (de) Elektronische Anordnung zur Verwaltung eines Wechselspeichermediums, und Verfahren und Speichermedium dafür
EP1467290A3 (de) Methode, System und Programmprodukt zum Dateizugriff in einem Speichersystem
EP1313034A3 (de) Speichersystem mit Mitteln zum Erwerb von Ausführungsinformation eines Datenbanksystems
DE59409475D1 (de) Datenverwaltungssystem
RU2006125152A (ru) Способ и устройство для управления дефектами диска на диске, и диск, на котором осуществляется управление дефектами
WO2002027494A3 (en) Switch-based accelaration of computer data storage
TW200622619A (en) Fat analysis for optimized sequential cluster management
KR950006615A (ko) 교환가능 기록매체 및 그 제어방법
EP0949556A3 (de) Zugriffsteuerungsverfahren, Speichergerät und Speichermedium
ATE180372T1 (de) System zum speichern und wiederauffinden auf aufzeichnungsträger
EP0333165A3 (en) System and method for managing recording areas on writable type optical disk
WO2001065909A3 (en) Method and apparatus for high speed table search
KR900702407A (ko) 가상 데이타 식별장치로 필름상의 전용 마그네틱 트랙을 사용하는 필름 정보 교환 시스템
EP1505504A3 (de) Fernkopiersystem
JP2003015931A5 (de)
FR2732485B1 (fr) Ordinateur personnel avec unite de commande de lecture/ecriture de carte
EP0817106A3 (de) Verfahren und Apparat zum Zwischenspeichern von Dateisteuerinformation
BR0205082A (pt) Dispositivo e método para gravar pelo menos um bloco de informação em uma trilha em uma área gravável sobre um portador de gravação, e, portador de gravação
WO2004094995A3 (en) Hierarchical evaluation of cells
CA2285205A1 (en) System and method for tracking records in a distributed computing system
WO2005010657A3 (en) System and method for implementing quality control rules formulated in accordance with a quality control rule grammar

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)