JPS63247853A - Ｄａｓｄキヤツシユ管理方法 - Google Patents

Ｄａｓｄキヤツシユ管理方法

Info

Publication number
JPS63247853A
JPS63247853A JP63032994A JP3299488A JPS63247853A JP S63247853 A JPS63247853 A JP S63247853A JP 63032994 A JP63032994 A JP 63032994A JP 3299488 A JP3299488 A JP 3299488A JP S63247853 A JPS63247853 A JP S63247853A
Authority
JP
Japan
Prior art keywords
page
cache
error
sector
list
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.)
Granted
Application number
JP63032994A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0564814B2 (cg-RX-API-DMAC10.html
Inventor
ジエリー・ドウエイン・デイクソン
ガイ・ジル・ソートメイヤー、ジユニア
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
Publication of JPS63247853A publication Critical patent/JPS63247853A/ja
Publication of JPH0564814B2 publication Critical patent/JPH0564814B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Debugging And Monitoring (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
JP63032994A 1987-03-30 1988-02-17 Ｄａｓｄキヤツシユ管理方法 Granted JPS63247853A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/032,214 US4972316A (en) 1987-03-30 1987-03-30 Method of handling disk sector errors in DASD cache
US32214 1987-03-30

Publications (2)

Publication Number Publication Date
JPS63247853A true JPS63247853A (ja) 1988-10-14
JPH0564814B2 JPH0564814B2 (cg-RX-API-DMAC10.html) 1993-09-16

Family

ID=21863717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63032994A Granted JPS63247853A (ja) 1987-03-30 1988-02-17 Ｄａｓｄキヤツシユ管理方法

Country Status (18)

Country Link
US (1) US4972316A (cg-RX-API-DMAC10.html)
EP (1) EP0284663B1 (cg-RX-API-DMAC10.html)
JP (1) JPS63247853A (cg-RX-API-DMAC10.html)
KR (1) KR940005786B1 (cg-RX-API-DMAC10.html)
CN (1) CN1014565B (cg-RX-API-DMAC10.html)
AT (1) ATE75070T1 (cg-RX-API-DMAC10.html)
BE (1) BE1001066A4 (cg-RX-API-DMAC10.html)
CA (1) CA1288870C (cg-RX-API-DMAC10.html)
DE (2) DE3778347D1 (cg-RX-API-DMAC10.html)
ES (1) ES2031114T3 (cg-RX-API-DMAC10.html)
FR (1) FR2613506B1 (cg-RX-API-DMAC10.html)
GB (1) GB2202976B (cg-RX-API-DMAC10.html)
GR (1) GR3004931T3 (cg-RX-API-DMAC10.html)
HK (1) HK65492A (cg-RX-API-DMAC10.html)
IT (1) IT8819949A0 (cg-RX-API-DMAC10.html)
MY (1) MY102811A (cg-RX-API-DMAC10.html)
PH (1) PH27346A (cg-RX-API-DMAC10.html)
SG (1) SG68092G (cg-RX-API-DMAC10.html)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008515112A (ja) * 2004-10-01 2008-05-08 イーエムシー コーポレイション 仮想順序付け書き込み
JP2011238175A (ja) * 2010-05-13 2011-11-24 Toshiba Corp 情報処理装置およびドライバ
JP2011238176A (ja) * 2010-05-13 2011-11-24 Toshiba Corp 情報処理装置およびドライバ
US8255645B2 (en) 2004-05-03 2012-08-28 Microsoft Corporation Non-volatile memory cache performance improvement
US10509730B2 (en) 2008-09-19 2019-12-17 Microsoft Technology Licensing, Llc Aggregation of write traffic to a data store
USRE49818E1 (en) 2010-05-13 2024-01-30 Kioxia Corporation Information processing method in a multi-level hierarchical memory system

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2637788B2 (ja) * 1988-09-02 1997-08-06 株式会社日立製作所 ディスクキャッシュ制御方式および情報処理システム
JP2954227B2 (ja) * 1989-02-15 1999-09-27 キヤノン株式会社 情報処理方法
US5347642A (en) * 1989-11-30 1994-09-13 Nec Electronics Inc. Cache memory management unit
AU9027091A (en) * 1990-11-05 1992-05-26 Disk Technician Corporation System for locating and anticipating data storage media failures
US5287363A (en) * 1991-07-01 1994-02-15 Disk Technician Corporation System for locating and anticipating data storage media failures
JP2625609B2 (ja) * 1991-07-10 1997-07-02 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 ディスク記憶装置
JPH07504527A (ja) * 1992-03-09 1995-05-18 オースペックス　システムズ　インコーポレイテッド 高性能の不揮発性ｒａｍ保護式の書き込みキャッシュアクセラレータシステム
US5309451A (en) * 1992-08-12 1994-05-03 Digital Equipment Corporation Data and parity prefetching for redundant arrays of disk drives
US5315602A (en) * 1992-08-12 1994-05-24 Digital Equipment Corporation Optimized stripe detection for redundant arrays of disk drives
US5420983A (en) * 1992-08-12 1995-05-30 Digital Equipment Corporation Method for merging memory blocks, fetching associated disk chunk, merging memory blocks with the disk chunk, and writing the merged data
US5404471A (en) * 1992-11-20 1995-04-04 International Business Machines Corp. Method and apparatus for switching address generation modes in CPU having plural address generation modes
US6384995B1 (en) 1992-12-23 2002-05-07 International Business Machines Corporation Apparatus and method for detecting defects in data storage devices
US5566324A (en) * 1992-12-24 1996-10-15 Ncr Corporation Computer apparatus including a main memory prefetch cache and method of operation thereof
GB2276255A (en) * 1993-02-17 1994-09-21 Andor Int Ltd Track buffer with embedded error data
US5646923A (en) * 1993-11-17 1997-07-08 International Business Machines Corporation System and method for hiding P-list entries for a disk from an initiator using a small computer system interface
MY112118A (en) * 1993-12-23 2001-04-30 Hitachi Global Storage Tech Netherlands B V System and method for skip-sector mapping in a data recording disk drive.
US5523903A (en) * 1993-12-23 1996-06-04 International Business Machines Corporation Sector architecture for fixed block disk drive
US5606685A (en) * 1993-12-29 1997-02-25 Unisys Corporation Computer workstation having demand-paged virtual memory and enhanced prefaulting
US5577227A (en) * 1994-08-04 1996-11-19 Finnell; James S. Method for decreasing penalty resulting from a cache miss in multi-level cache system
JP3254340B2 (ja) * 1994-11-10 2002-02-04 シャープ株式会社 記録再生装置および記録再生装置のための欠陥処理方法
US5671390A (en) * 1995-05-23 1997-09-23 International Business Machines Corporation Log structured array storage subsystem using LSA directory and LSA sub-directory stored in different storage media
US5737344A (en) * 1995-05-25 1998-04-07 International Business Machines Corporation Digital data storage with increased robustness against data loss
US5907672A (en) * 1995-10-04 1999-05-25 Stac, Inc. System for backing up computer disk volumes with error remapping of flawed memory addresses
US6043946A (en) * 1996-05-15 2000-03-28 Seagate Technology, Inc. Read error recovery utilizing ECC and read channel quality indicators
US5721816A (en) * 1996-07-29 1998-02-24 Kusbel; Paul F. Adaptive recovery of read and write errors in a disc drive
US6154331A (en) * 1996-10-01 2000-11-28 Lsi Logic Corporation Disk formatter write gate look-ahead device
US5845318A (en) * 1996-10-28 1998-12-01 International Business Machines Corporation Dasd I/O caching method and application including replacement policy minimizing data retrieval and storage costs
US6065100A (en) * 1996-11-12 2000-05-16 Micro-Design International Caching apparatus and method for enhancing retrieval of data from an optical storage device
US5960460A (en) * 1997-01-02 1999-09-28 Exabyte Corporation Non-intrusive replication of hard disk
US6392833B1 (en) 1998-07-13 2002-05-21 Seagate Technology, Llc Reducing self-excited mechanical resonances in a disc drive
US7089449B1 (en) * 2000-11-06 2006-08-08 Micron Technology, Inc. Recovering a system that has experienced a fault
US7234021B1 (en) * 2001-10-05 2007-06-19 Emc Corporation Methods and apparatus for accessing data elements using improved hashing techniques
JP4074806B2 (ja) * 2002-11-20 2008-04-16 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 不良セクタの探索方法、データ記録装置、プログラム
US7437593B2 (en) * 2003-07-14 2008-10-14 International Business Machines Corporation Apparatus, system, and method for managing errors in prefetched data
US7277993B2 (en) * 2003-12-03 2007-10-02 Intel Corporation Write-back disk cache
US7379952B2 (en) * 2004-01-30 2008-05-27 Oracle International Corporation Techniques for multiple window resource remastering among nodes of a cluster
US7962453B2 (en) 2004-04-26 2011-06-14 Oracle International Corporation Dynamic redistribution of a distributed memory index when individual nodes have different lookup indexes
US7490197B2 (en) 2004-10-21 2009-02-10 Microsoft Corporation Using external memory devices to improve system performance
US8250296B2 (en) * 2004-12-01 2012-08-21 Dell Products L.P. System and method for information handling system memory page mapping optimization
US20060200469A1 (en) * 2005-03-02 2006-09-07 Lakshminarayanan Chidambaran Global session identifiers in a multi-node system
US7689766B1 (en) 2005-06-10 2010-03-30 American Megatrends, Inc. Method, system, apparatus, and computer-readable medium for integrating a caching module into a storage system architecture
US7536529B1 (en) 2005-06-10 2009-05-19 American Megatrends, Inc. Method, system, apparatus, and computer-readable medium for provisioning space in a data storage system
US7814065B2 (en) 2005-08-16 2010-10-12 Oracle International Corporation Affinity-based recovery/failover in a cluster environment
US8914557B2 (en) 2005-12-16 2014-12-16 Microsoft Corporation Optimizing write and wear performance for a memory
US8631203B2 (en) 2007-12-10 2014-01-14 Microsoft Corporation Management of external memory functioning as virtual cache
US8352716B1 (en) 2008-01-16 2013-01-08 American Megatrends, Inc. Boot caching for boot acceleration within data storage systems
US8621154B1 (en) 2008-04-18 2013-12-31 Netapp, Inc. Flow based reply cache
US8161236B1 (en) 2008-04-23 2012-04-17 Netapp, Inc. Persistent reply cache integrated with file system
US8799429B1 (en) 2008-05-06 2014-08-05 American Megatrends, Inc. Boot acceleration by consolidating client-specific boot data in a data storage system
US8032707B2 (en) 2008-09-15 2011-10-04 Microsoft Corporation Managing cache data and metadata
US9032151B2 (en) 2008-09-15 2015-05-12 Microsoft Technology Licensing, Llc Method and system for ensuring reliability of cache data and metadata subsequent to a reboot
US8171227B1 (en) 2009-03-11 2012-05-01 Netapp, Inc. System and method for managing a flow based reply cache
US8700861B1 (en) * 2012-03-28 2014-04-15 Emc Corporation Managing a dynamic list of entries for cache page cleaning
US9798623B2 (en) * 2012-05-11 2017-10-24 Seagate Technology Llc Using cache to manage errors in primary storage
US9240210B2 (en) 2013-11-26 2016-01-19 Seagate Technology Llc Physical subsector error marking
KR102498668B1 (ko) * 2017-05-17 2023-02-09 삼성전자주식회사 플래시-인지 힙 메모리 관리 방법 및 호스트 장치
CN109582598B (zh) * 2018-12-13 2023-05-02 武汉中元华电软件有限公司 一种基于外部存储实现高效查找哈希表的预处理方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608959A (ja) * 1983-06-29 1985-01-17 Fujitsu Ltd デイスク・キヤツシユ制御方法
JPS61133433A (ja) * 1984-11-30 1986-06-20 Nec Corp 書換え不能なデ−タ記録媒体における不良セクタ代替え処理方式
JPS61272821A (ja) * 1985-05-29 1986-12-03 Nec Corp 磁気デイスク制御装置
JPS6222162A (ja) * 1985-07-23 1987-01-30 Alps Electric Co Ltd デイスクキヤツシユ制御方式
JPS6356452U (cg-RX-API-DMAC10.html) * 1986-09-29 1988-04-15

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997876A (en) * 1972-06-07 1976-12-14 International Business Machines Corporation Apparatus and method for avoiding defects in the recording medium within a peripheral storage system
US4384487A (en) * 1974-09-30 1983-05-24 Browning Alva L Dynamically restrained inertial reference instrument and reliability sensor
US4148098A (en) * 1976-10-18 1979-04-03 Xerox Corporation Data transfer system with disk command verification apparatus
US4168541A (en) * 1978-09-25 1979-09-18 Sperry Rand Corporation Paired least recently used block replacement system
US4394732A (en) * 1980-11-14 1983-07-19 Sperry Corporation Cache/disk subsystem trickle
US4523275A (en) * 1980-11-14 1985-06-11 Sperry Corporation Cache/disk subsystem with floating entry
US4490782A (en) * 1981-06-05 1984-12-25 International Business Machines Corporation I/O Storage controller cache system with prefetch determined by requested record's position within data block
JPS5877034A (ja) * 1981-10-30 1983-05-10 Hitachi Ltd 記録方法
US4780808A (en) * 1981-11-27 1988-10-25 Storage Technology Corporation Control of cache buffer for memory subsystem
US4536836A (en) * 1981-11-27 1985-08-20 Storage Technology Corporation Detection of sequential data stream
US4498146A (en) * 1982-07-30 1985-02-05 At&T Bell Laboratories Management of defects in storage media
US4638425A (en) * 1982-09-29 1987-01-20 International Business Machines Corporation Peripheral data storage having access controls with error recovery
JPS59153251A (ja) * 1983-02-18 1984-09-01 Toshiba Corp デイスクキヤツシユシステム
US4603380A (en) * 1983-07-01 1986-07-29 International Business Machines Corporation DASD cache block staging
DE3405073A1 (de) * 1984-02-13 1985-08-14 Siemens AG, 1000 Berlin und 8000 München Speicherungsverfahren fuer eine in fernmeldeanlagen, insbesondere fernsprechvermittlungsanlagen eingesetzte speichereinrichtung
US4916605A (en) * 1984-03-27 1990-04-10 International Business Machines Corporation Fast write operations
US4807110A (en) * 1984-04-06 1989-02-21 International Business Machines Corporation Prefetching system for a cache having a second directory for sequentially accessed blocks
US4631723A (en) * 1984-06-08 1986-12-23 Honeywell Information Systems Inc. Mass storage disk drive defective media handling
US4680703A (en) * 1984-06-25 1987-07-14 International Business Machines Corp. Data processing system with reorganization of disk storage for improved paging
US4637024A (en) * 1984-11-02 1987-01-13 International Business Machines Corporation Redundant page identification for a catalogued memory
US4685082A (en) * 1985-02-22 1987-08-04 Wang Laboratories, Inc. Simplified cache with automatic update
JPS61202381A (ja) * 1985-03-06 1986-09-08 Hitachi Ltd デイスク制御装置
JPH0756734B2 (ja) * 1985-05-27 1995-06-14 松下電器産業株式会社 情報記録再生装置
US4875155A (en) * 1985-06-28 1989-10-17 International Business Machines Corporation Peripheral subsystem having read/write cache with record access
JP2650891B2 (ja) * 1986-04-16 1997-09-10 株式会社日立製作所 回転形記憶装置の制御方法
US4814903A (en) * 1987-06-29 1989-03-21 International Business Machines Corporation Alternate storage areas in magnetooptical media
US4914530A (en) * 1987-09-21 1990-04-03 Plus Development Corporation Media defect management within disk drive sector format

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608959A (ja) * 1983-06-29 1985-01-17 Fujitsu Ltd デイスク・キヤツシユ制御方法
JPS61133433A (ja) * 1984-11-30 1986-06-20 Nec Corp 書換え不能なデ−タ記録媒体における不良セクタ代替え処理方式
JPS61272821A (ja) * 1985-05-29 1986-12-03 Nec Corp 磁気デイスク制御装置
JPS6222162A (ja) * 1985-07-23 1987-01-30 Alps Electric Co Ltd デイスクキヤツシユ制御方式
JPS6356452U (cg-RX-API-DMAC10.html) * 1986-09-29 1988-04-15

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8255645B2 (en) 2004-05-03 2012-08-28 Microsoft Corporation Non-volatile memory cache performance improvement
JP2013047979A (ja) * 2004-05-03 2013-03-07 Microsoft Corp 不揮発性メモリ・キャッシュの性能改善
US9405693B2 (en) 2004-05-03 2016-08-02 Microsoft Technology Licensing, Llc Non-volatile memory cache performance improvement
US10216637B2 (en) 2004-05-03 2019-02-26 Microsoft Technology Licensing, Llc Non-volatile memory cache performance improvement
JP2008515112A (ja) * 2004-10-01 2008-05-08 イーエムシー コーポレイション 仮想順序付け書き込み
US10509730B2 (en) 2008-09-19 2019-12-17 Microsoft Technology Licensing, Llc Aggregation of write traffic to a data store
JP2011238175A (ja) * 2010-05-13 2011-11-24 Toshiba Corp 情報処理装置およびドライバ
JP2011238176A (ja) * 2010-05-13 2011-11-24 Toshiba Corp 情報処理装置およびドライバ
US8407418B2 (en) 2010-05-13 2013-03-26 Kabushiki Kaisha Toshiba Information processing apparatus and driver
US8639881B2 (en) 2010-05-13 2014-01-28 Kabushiki Kaisha Toshiba Information processing apparatus and driver
USRE48127E1 (en) 2010-05-13 2020-07-28 Toshiba Memory Corporation Information processing apparatus and driver
USRE49818E1 (en) 2010-05-13 2024-01-30 Kioxia Corporation Information processing method in a multi-level hierarchical memory system

Also Published As

Publication number Publication date
FR2613506B1 (fr) 1990-02-09
DE3810233C2 (cg-RX-API-DMAC10.html) 1992-05-07
EP0284663A3 (en) 1989-03-22
DE3810233A1 (de) 1988-10-20
KR880011667A (ko) 1988-10-29
GB8728923D0 (en) 1988-01-27
ES2031114T3 (es) 1992-12-01
HK65492A (en) 1992-09-11
GR3004931T3 (cg-RX-API-DMAC10.html) 1993-04-28
CN88100953A (zh) 1988-12-28
MY102811A (en) 1992-11-30
DE3778347D1 (de) 1992-05-21
GB2202976B (en) 1991-10-09
CA1288870C (en) 1991-09-10
FR2613506A1 (fr) 1988-10-07
EP0284663A2 (en) 1988-10-05
PH27346A (en) 1993-06-08
BE1001066A4 (fr) 1989-06-27
SG68092G (en) 1992-09-04
IT8819949A0 (it) 1988-03-25
JPH0564814B2 (cg-RX-API-DMAC10.html) 1993-09-16
US4972316A (en) 1990-11-20
GB2202976A (en) 1988-10-05
CN1014565B (zh) 1991-10-30
EP0284663B1 (en) 1992-04-15
ATE75070T1 (de) 1992-05-15
KR940005786B1 (ko) 1994-06-23

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