JP2002278707A - ディスクコントローラ - Google Patents

ディスクコントローラ

Info

Publication number
JP2002278707A
JP2002278707A JP2002009660A JP2002009660A JP2002278707A JP 2002278707 A JP2002278707 A JP 2002278707A JP 2002009660 A JP2002009660 A JP 2002009660A JP 2002009660 A JP2002009660 A JP 2002009660A JP 2002278707 A JP2002278707 A JP 2002278707A
Authority
JP
Japan
Prior art keywords
parity
data
memory
tdb
segment
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.)
Pending
Application number
JP2002009660A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002278707A5 (enExample
Inventor
Barry J Oldfield
バリー・ジェイ・オールドフィールド
Robert A Rust
ロバート・エー・ラスト
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.)
HP Inc
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 JP2002278707A publication Critical patent/JP2002278707A/ja
Publication of JP2002278707A5 publication Critical patent/JP2002278707A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/061—Improving I/O performance
    • G06F3/0613—Improving I/O performance in relation to throughput
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
    • G06F3/065—Replication mechanisms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

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)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Detection And Correction Of Errors (AREA)
JP2002009660A 2001-03-14 2002-01-18 ディスクコントローラ Pending JP2002278707A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/808,713 2001-03-14
US09/808,713 US6766480B2 (en) 2001-03-14 2001-03-14 Using task description blocks to maintain information regarding operations

Publications (2)

Publication Number Publication Date
JP2002278707A true JP2002278707A (ja) 2002-09-27
JP2002278707A5 JP2002278707A5 (enExample) 2005-08-04

Family

ID=25199506

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002009660A Pending JP2002278707A (ja) 2001-03-14 2002-01-18 ディスクコントローラ

Country Status (3)

Country Link
US (1) US6766480B2 (enExample)
EP (1) EP1241560A3 (enExample)
JP (1) JP2002278707A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7529904B2 (en) 2004-03-31 2009-05-05 International Business Machines Corporation Storing location identifier in array and array pointer in data structure for write process management
JP2014521130A (ja) * 2011-10-19 2014-08-25 株式会社日立製作所 ストレージシステム
JP2023522544A (ja) * 2020-02-20 2023-05-31 インテル・コーポレーション 単方向コマンドによるオン－ｓｓｄの消失訂正符号化

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050273651A1 (en) * 2004-05-18 2005-12-08 Aristos Logic Corporation Method of implementing XOR based raid algorithms
US20060123312A1 (en) * 2004-11-19 2006-06-08 International Business Machines Corporation Method and system for increasing parallelism of disk accesses when restoring data in a disk array system
US7290199B2 (en) * 2004-11-19 2007-10-30 International Business Machines Corporation Method and system for improved buffer utilization for disk array parity updates
US7392428B2 (en) * 2004-11-19 2008-06-24 International Business Machines Corporation Method and system for recovering from abnormal interruption of a parity update operation in a disk array system
US7392458B2 (en) * 2004-11-19 2008-06-24 International Business Machines Corporation Method and system for enhanced error identification with disk array parity checking
US20060123271A1 (en) * 2004-11-19 2006-06-08 International Business Machines Corporation RAID environment incorporating hardware-based finite field multiplier for on-the-fly XOR
JP2006171957A (ja) * 2004-12-14 2006-06-29 Fujitsu Ltd ストレージ制御装置および方法
US8631284B2 (en) * 2010-04-30 2014-01-14 Western Digital Technologies, Inc. Method for providing asynchronous event notification in systems
US8762682B1 (en) 2010-07-02 2014-06-24 Western Digital Technologies, Inc. Data storage apparatus providing host full duplex operations using half duplex storage devices
JP6341795B2 (ja) * 2014-08-05 2018-06-13 ルネサスエレクトロニクス株式会社 マイクロコンピュータ及びマイクロコンピュータシステム
US10725963B2 (en) 2015-09-12 2020-07-28 Microsoft Technology Licensing, Llc Distributed lock-free RDMA-based memory allocation and de-allocation
US10713210B2 (en) * 2015-10-13 2020-07-14 Microsoft Technology Licensing, Llc Distributed self-directed lock-free RDMA-based B-tree key-value manager
US10375167B2 (en) 2015-11-20 2019-08-06 Microsoft Technology Licensing, Llc Low latency RDMA-based distributed storage
WO2019102656A1 (ja) * 2017-11-21 2019-05-31 ソニーセミコンダクタソリューションズ株式会社 メモリコントローラ、メモリ、メモリシステム、情報処理システム、および、それらにおける制御方法
CN111679990B (zh) * 2020-06-17 2023-08-08 北京字节跳动网络技术有限公司 测试数据生成方法、装置、可读介质及电子设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4433388A (en) * 1980-10-06 1984-02-21 Ncr Corporation Longitudinal parity
US5134619A (en) * 1990-04-06 1992-07-28 Sf2 Corporation Failure-tolerant mass storage system
JPH04184634A (ja) * 1990-11-20 1992-07-01 Matsushita Electric Ind Co Ltd マイクロコンピュータ
JP3409859B2 (ja) * 1991-01-31 2003-05-26 株式会社日立製作所 制御装置の制御方法
US5446855A (en) * 1994-02-07 1995-08-29 Buslogic, Inc. System and method for disk array data transfer
JP3209634B2 (ja) * 1994-03-28 2001-09-17 株式会社日立製作所 計算機システム
JP3011035B2 (ja) * 1994-12-08 2000-02-21 株式会社日立製作所 計算機システム
US5893162A (en) * 1997-02-05 1999-04-06 Transwitch Corp. Method and apparatus for allocation and management of shared memory with data in memory stored as multiple linked lists
US6523087B2 (en) * 2001-03-06 2003-02-18 Chaparral Network Storage, Inc. Utilizing parity caching and parity logging while closing the RAID5 write hole
US6567891B2 (en) * 2001-03-14 2003-05-20 Hewlett-Packard Development Company, L.P. Methods and arrangements for improved stripe-based processing
US7062702B2 (en) * 2001-03-14 2006-06-13 Hewlett-Packard Development Company, L.P. Efficient parity operations
US6687872B2 (en) * 2001-03-14 2004-02-03 Hewlett-Packard Development Company, L.P. Methods and systems of using result buffers in parity operations

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7529904B2 (en) 2004-03-31 2009-05-05 International Business Machines Corporation Storing location identifier in array and array pointer in data structure for write process management
US7818533B2 (en) 2004-03-31 2010-10-19 International Business Machines Corporation Storing location identifier in array and array pointer in data structure for write process management
JP2014521130A (ja) * 2011-10-19 2014-08-25 株式会社日立製作所 ストレージシステム
US9519554B2 (en) 2011-10-19 2016-12-13 Hitachi, Ltd. Storage system with rebuild operations
JP2023522544A (ja) * 2020-02-20 2023-05-31 インテル・コーポレーション 単方向コマンドによるオン－ｓｓｄの消失訂正符号化
US11971782B2 (en) 2020-02-20 2024-04-30 Sk Hynix Nand Product Solutions Corp. On-SSD erasure coding with uni-directional commands
JP7529947B2 (ja) 2020-02-20 2024-08-07 エスケイ ハイニックス ナンド プロダクト ソリューションズ コーポレーション 単方向コマンドによるオン－ｓｓｄの消失訂正符号化

Also Published As

Publication number Publication date
EP1241560A3 (en) 2004-09-22
EP1241560A2 (en) 2002-09-18
US6766480B2 (en) 2004-07-20
US20020166078A1 (en) 2002-11-07

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