DE68919219T2 - Speicher für platteneinheit. - Google Patents

Speicher für platteneinheit.

Info

Publication number
DE68919219T2
DE68919219T2 DE68919219T DE68919219T DE68919219T2 DE 68919219 T2 DE68919219 T2 DE 68919219T2 DE 68919219 T DE68919219 T DE 68919219T DE 68919219 T DE68919219 T DE 68919219T DE 68919219 T2 DE68919219 T2 DE 68919219T2
Authority
DE
Germany
Prior art keywords
disk drives
disk drive
disk
memory
parity
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
DE68919219T
Other languages
English (en)
Other versions
DE68919219D1 (de
Inventor
Robert Dunphy
Robert Walsh
John Bowers
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.)
Storage Technology Corp
Original Assignee
Storage Technology 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 Storage Technology Corp filed Critical Storage Technology Corp
Publication of DE68919219D1 publication Critical patent/DE68919219D1/de
Application granted granted Critical
Publication of DE68919219T2 publication Critical patent/DE68919219T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1076Parity data used in redundant arrays of independent storages, e.g. in RAID systems
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012Recording on, or reproducing or erasing from, magnetic disks
DE68919219T 1988-06-28 1989-04-20 Speicher für platteneinheit. Expired - Fee Related DE68919219T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/212,434 US4914656A (en) 1988-06-28 1988-06-28 Disk drive memory
PCT/US1989/001677 WO1990000280A1 (en) 1988-06-28 1989-04-20 Disk drive memory

Publications (2)

Publication Number Publication Date
DE68919219D1 DE68919219D1 (de) 1994-12-08
DE68919219T2 true DE68919219T2 (de) 1995-05-11

Family

ID=22790991

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68919219T Expired - Fee Related DE68919219T2 (de) 1988-06-28 1989-04-20 Speicher für platteneinheit.

Country Status (8)

Country Link
US (1) US4914656A (de)
EP (1) EP0422030B1 (de)
JP (1) JP2831072B2 (de)
AT (1) ATE113739T1 (de)
AU (3) AU621126B2 (de)
CA (1) CA1322409C (de)
DE (1) DE68919219T2 (de)
WO (1) WO1990000280A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10313892A1 (de) * 2003-03-27 2004-10-21 Fujitsu Siemens Computers Gmbh Anordnung und Verfahren zum Austausch von Massenspeichern

Families Citing this family (152)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1217801B (it) * 1988-06-08 1990-03-30 Honeywell Rull Italia S P A Apparato per rimozione/inserzione a caldo su un bus di connessione di unita, di registrazione magnetica a supporto non rimovibile
US5077736A (en) * 1988-06-28 1991-12-31 Storage Technology Corporation Disk drive memory
US5283791A (en) * 1988-08-02 1994-02-01 Cray Research Systems, Inc. Error recovery method and apparatus for high performance disk drives
US5218689A (en) * 1988-08-16 1993-06-08 Cray Research, Inc. Single disk emulation interface for an array of asynchronously operating disk drives
US5148432A (en) * 1988-11-14 1992-09-15 Array Technology Corporation Arrayed disk drive system and method
US5341479A (en) * 1989-01-31 1994-08-23 Storage Technology Corporation Address mark triggered read/write head buffer
US5185746A (en) * 1989-04-14 1993-02-09 Mitsubishi Denki Kabushiki Kaisha Optical recording system with error correction and data recording distributed across multiple disk drives
US5033049A (en) * 1989-06-12 1991-07-16 International Business Machines Corporation On-board diagnostic sub-system for SCSI interface
US5146574A (en) * 1989-06-27 1992-09-08 Sf2 Corporation Method and circuit for programmable selecting a variable sequence of element using write-back
US5101492A (en) * 1989-11-03 1992-03-31 Compaq Computer Corporation Data redundancy and recovery protection
US5072378A (en) * 1989-12-18 1991-12-10 Storage Technology Corporation Direct access storage device with independently stored parity
US5402428A (en) * 1989-12-25 1995-03-28 Hitachi, Ltd. Array disk subsystem
JPH0786810B2 (ja) * 1990-02-16 1995-09-20 富士通株式会社 アレイディスク装置
US5680574A (en) * 1990-02-26 1997-10-21 Hitachi, Ltd. Data distribution utilizing a master disk unit for fetching and for writing to remaining disk units
US6728832B2 (en) * 1990-02-26 2004-04-27 Hitachi, Ltd. Distribution of I/O requests across multiple disk units
US5315708A (en) * 1990-02-28 1994-05-24 Micro Technology, Inc. Method and apparatus for transferring data through a staging memory
US5140592A (en) * 1990-03-02 1992-08-18 Sf2 Corporation Disk array system
US5233618A (en) * 1990-03-02 1993-08-03 Micro Technology, Inc. Data correcting applicable to redundant arrays of independent disks
US5166939A (en) * 1990-03-02 1992-11-24 Micro Technology, Inc. Data storage apparatus and method
US5134619A (en) * 1990-04-06 1992-07-28 Sf2 Corporation Failure-tolerant mass storage system
US5212785A (en) * 1990-04-06 1993-05-18 Micro Technology, Inc. Apparatus and method for controlling data flow between a computer and memory devices
US5195100A (en) * 1990-03-02 1993-03-16 Micro Technology, Inc. Non-volatile memory storage of write operation identifier in data sotrage device
US5388243A (en) * 1990-03-09 1995-02-07 Mti Technology Corporation Multi-sort mass storage device announcing its active paths without deactivating its ports in a network architecture
US5088081A (en) * 1990-03-28 1992-02-11 Prime Computer, Inc. Method and apparatus for improved disk access
US5325497A (en) * 1990-03-29 1994-06-28 Micro Technology, Inc. Method and apparatus for assigning signatures to identify members of a set of mass of storage devices
CA2034904C (en) * 1990-03-30 1995-07-18 John Stuart Best High speed, small diameter disk storage system
US5202856A (en) * 1990-04-05 1993-04-13 Micro Technology, Inc. Method and apparatus for simultaneous, interleaved access of multiple memories by multiple ports
US5414818A (en) * 1990-04-06 1995-05-09 Mti Technology Corporation Method and apparatus for controlling reselection of a bus by overriding a prioritization protocol
US5214778A (en) * 1990-04-06 1993-05-25 Micro Technology, Inc. Resource management in a multiple resource system
US5233692A (en) * 1990-04-06 1993-08-03 Micro Technology, Inc. Enhanced interface permitting multiple-byte parallel transfers of control information and data on a small computer system interface (SCSI) communication bus and a mass storage system incorporating the enhanced interface
US5956524A (en) * 1990-04-06 1999-09-21 Micro Technology Inc. System and method for dynamic alignment of associated portions of a code word from a plurality of asynchronous sources
US5124987A (en) * 1990-04-16 1992-06-23 Storage Technology Corporation Logical track write scheduling system for a parallel disk drive array data storage subsystem
US5130992A (en) * 1990-04-16 1992-07-14 International Business Machines Corporaiton File-based redundant parity protection in a parallel computing system
US5247638A (en) * 1990-06-18 1993-09-21 Storage Technology Corporation Apparatus for compressing data in a dynamically mapped virtual data storage subsystem
JPH0786811B2 (ja) * 1990-06-19 1995-09-20 富士通株式会社 アレイディスク装置のドライブ位置確認方式
JPH0731582B2 (ja) * 1990-06-21 1995-04-10 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 パリティ保護データを回復するための方法および装置
EP0464551A3 (en) * 1990-06-25 1992-11-19 Kabushiki Kaisha Toshiba Method and apparatus for controlling drives coupled to a computer system
US5673412A (en) 1990-07-13 1997-09-30 Hitachi, Ltd. Disk system and power-on sequence for the same
US5265098A (en) * 1990-08-03 1993-11-23 International Business Machines Corporation Method and means for managing DASD array accesses when operating in degraded mode
US5544347A (en) 1990-09-24 1996-08-06 Emc Corporation Data storage system controlled remote data mirroring with respectively maintained data indices
CA2043493C (en) * 1990-10-05 1997-04-01 Ricky C. Hetherington Hierarchical integrated circuit cache memory
EP0481735A3 (en) * 1990-10-19 1993-01-13 Array Technology Corporation Address protection circuit
US5208813A (en) * 1990-10-23 1993-05-04 Array Technology Corporation On-line reconstruction of a failed redundant array system
AU8683991A (en) * 1990-11-09 1992-05-14 Array Technology Corporation Logical partitioning of a redundant array storage system
US5163162A (en) * 1990-11-14 1992-11-10 Ibm Corporation System and method for data recovery in multiple head assembly storage devices
JP2752247B2 (ja) * 1990-11-29 1998-05-18 富士通株式会社 情報記憶装置
US5235601A (en) * 1990-12-21 1993-08-10 Array Technology Corporation On-line restoration of redundancy information in a redundant array system
US5274799A (en) * 1991-01-04 1993-12-28 Array Technology Corporation Storage device array architecture with copyback cache
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
US6874101B2 (en) 1991-01-31 2005-03-29 Hitachi, Ltd. Storage unit subsystem
US5271012A (en) * 1991-02-11 1993-12-14 International Business Machines Corporation Method and means for encoding and rebuilding data contents of up to two unavailable DASDs in an array of DASDs
US5579475A (en) * 1991-02-11 1996-11-26 International Business Machines Corporation Method and means for encoding and rebuilding the data contents of up to two unavailable DASDS in a DASD array using simple non-recursive diagonal and row parity
US5257362A (en) * 1991-03-08 1993-10-26 International Business Machines Corporation Method and means for ensuring single pass small read/write access to variable length records stored on selected DASDs in a DASD array
US5345565A (en) * 1991-03-13 1994-09-06 Ncr Corporation Multiple configuration data path architecture for a disk array controller
JP2923702B2 (ja) 1991-04-01 1999-07-26 株式会社日立製作所 記憶装置及びそのデータ修復方法
US5506979A (en) * 1991-04-02 1996-04-09 International Business Machines Corporation Method and means for execution of commands accessing variable length records stored on fixed block formatted DASDS of an N+2 DASD synchronous array
JP2743606B2 (ja) * 1991-04-11 1998-04-22 三菱電機株式会社 アレイ型記録装置
JP3187525B2 (ja) * 1991-05-17 2001-07-11 ヒュンダイ エレクトロニクス アメリカ バス接続装置
US5239659A (en) * 1991-06-19 1993-08-24 Storage Technology Corporation Phantom duplex copy group apparatus for a disk drive array data storge subsystem
EP0519669A3 (en) * 1991-06-21 1994-07-06 Ibm Encoding and rebuilding data for a dasd array
US5257391A (en) * 1991-08-16 1993-10-26 Ncr Corporation Disk controller having host interface and bus switches for selecting buffer and drive busses respectively based on configuration control signals
US5333143A (en) * 1991-08-29 1994-07-26 International Business Machines Corporation Method and means for b-adjacent coding and rebuilding data from up to two unavailable DASDS in a DASD array
US5274507A (en) * 1991-09-09 1993-12-28 Paul Lee Parallel data encoding for moving media
US5499337A (en) 1991-09-27 1996-03-12 Emc Corporation Storage device array architecture with solid-state redundancy unit
US5636358A (en) * 1991-09-27 1997-06-03 Emc Corporation Method and apparatus for transferring data in a storage device including a dual-port buffer
US5237658A (en) * 1991-10-01 1993-08-17 Tandem Computers Incorporated Linear and orthogonal expansion of array storage in multiprocessor computing systems
US5379417A (en) * 1991-11-25 1995-01-03 Tandem Computers Incorporated System and method for ensuring write data integrity in a redundant array data storage system
US5287462A (en) * 1991-12-20 1994-02-15 Ncr Corporation Bufferless SCSI to SCSI data transfer scheme for disk array applications
EP0551009B1 (de) * 1992-01-08 2001-06-13 Emc Corporation Verfahren zur Synchronisierung von reservierten Bereichen in einer redundanten Speicheranordnung
US5341381A (en) * 1992-01-21 1994-08-23 Tandem Computers, Incorporated Redundant array parity caching system
US5469566A (en) * 1992-03-12 1995-11-21 Emc Corporation Flexible parity generation circuit for intermittently generating a parity for a plurality of data channels in a redundant array of storage units
WO1993018456A1 (en) * 1992-03-13 1993-09-16 Emc Corporation Multiple controller sharing in a redundant storage array
JP2868141B2 (ja) * 1992-03-16 1999-03-10 株式会社日立製作所 ディスクアレイ装置
US5708668A (en) * 1992-05-06 1998-01-13 International Business Machines Corporation Method and apparatus for operating an array of storage devices
JP3183719B2 (ja) * 1992-08-26 2001-07-09 三菱電機株式会社 アレイ型記録装置
GB2270791B (en) * 1992-09-21 1996-07-17 Grass Valley Group Disk-based digital video recorder
US5418925A (en) * 1992-10-23 1995-05-23 At&T Global Information Solutions Company Fast write I/O handling in a disk array using spare drive for buffering
US5388108A (en) * 1992-10-23 1995-02-07 Ncr Corporation Delayed initiation of read-modify-write parity operations in a raid level 5 disk array
US5581784A (en) * 1992-11-17 1996-12-03 Starlight Networks Method for performing I/O's in a storage system to maintain the continuity of a plurality of video streams
US5487160A (en) * 1992-12-04 1996-01-23 At&T Global Information Solutions Company Concurrent image backup for disk storage system
US5819109A (en) * 1992-12-07 1998-10-06 Digital Equipment Corporation System for storing pending parity update log entries, calculating new parity, updating the parity block, and removing each entry from the log when update is complete
US5519849A (en) * 1992-12-07 1996-05-21 Digital Equipment Corporation Method of reducing the complexity of an I/O request to a RAID-4 or RAID-5 array
US5416915A (en) * 1992-12-11 1995-05-16 International Business Machines Corporation Method and system for minimizing seek affinity and enhancing write sensitivity in a DASD array
US5423046A (en) * 1992-12-17 1995-06-06 International Business Machines Corporation High capacity data storage system using disk array
US5689678A (en) 1993-03-11 1997-11-18 Emc Corporation Distributed storage array system having a plurality of modular control units
GB2278228B (en) * 1993-05-21 1997-01-29 Mitsubishi Electric Corp An arrayed recording apparatus
US5867640A (en) * 1993-06-01 1999-02-02 Mti Technology Corp. Apparatus and method for improving write-throughput in a redundant array of mass storage devices
US5504858A (en) * 1993-06-29 1996-04-02 Digital Equipment Corporation Method and apparatus for preserving data integrity in a multiple disk raid organized storage system
US5581690A (en) * 1993-06-29 1996-12-03 Digital Equipment Corporation Method and apparatus for preventing the use of corrupt data in a multiple disk raid organized storage system
US6269453B1 (en) 1993-06-29 2001-07-31 Compaq Computer Corporation Method for reorganizing the data on a RAID-4 or RAID-5 array in the absence of one disk
US5522031A (en) * 1993-06-29 1996-05-28 Digital Equipment Corporation Method and apparatus for the on-line restoration of a disk in a RAID-4 or RAID-5 array with concurrent access by applications
US5390327A (en) * 1993-06-29 1995-02-14 Digital Equipment Corporation Method for on-line reorganization of the data on a RAID-4 or RAID-5 array in the absence of one disk and the on-line restoration of a replacement disk
US20030088611A1 (en) * 1994-01-19 2003-05-08 Mti Technology Corporation Systems and methods for dynamic alignment of associated portions of a code word from a plurality of asynchronous sources
US5732239A (en) * 1994-05-19 1998-03-24 Starlight Networks Method for operating a disk storage system which stores video data so as to maintain the continuity of a plurality of video streams
US5802394A (en) * 1994-06-06 1998-09-01 Starlight Networks, Inc. Method for accessing one or more streams in a video storage system using multiple queues and maintaining continuity thereof
DE19540915A1 (de) * 1994-11-10 1996-05-15 Raymond Engineering Redundante Anordnung von Festkörper-Speicherbausteinen
US5488701A (en) * 1994-11-17 1996-01-30 International Business Machines Corporation In log sparing for log structured arrays
US5666114A (en) * 1994-11-22 1997-09-09 International Business Machines Corporation Method and means for managing linear mapped address spaces storing compressed data at the storage subsystem control unit or device level
US5671349A (en) * 1994-12-06 1997-09-23 Hitachi Computer Products America, Inc. Apparatus and method for providing data redundancy and reconstruction for redundant arrays of disk drives
US5537534A (en) * 1995-02-10 1996-07-16 Hewlett-Packard Company Disk array having redundant storage and methods for incrementally generating redundancy as data is written to the disk array
US5848230A (en) 1995-05-25 1998-12-08 Tandem Computers Incorporated Continuously available computer memory systems
US5729763A (en) * 1995-08-15 1998-03-17 Emc Corporation Data storage system
US5657468A (en) * 1995-08-17 1997-08-12 Ambex Technologies, Inc. Method and apparatus for improving performance in a reduntant array of independent disks
US5875456A (en) * 1995-08-17 1999-02-23 Nstor Corporation Storage device array and methods for striping and unstriping data and for adding and removing disks online to/from a raid storage array
US5841997A (en) * 1995-09-29 1998-11-24 Emc Corporation Apparatus for effecting port switching of fibre channel loops
US6334195B1 (en) * 1995-12-29 2001-12-25 Lsi Logic Corporation Use of hot spare drives to boost performance during nominal raid operation
US5734861A (en) * 1995-12-12 1998-03-31 International Business Machines Corporation Log-structured disk array with garbage collection regrouping of tracks to preserve seek affinity
US5941994A (en) * 1995-12-22 1999-08-24 Lsi Logic Corporation Technique for sharing hot spare drives among multiple subsystems
JP3140957B2 (ja) * 1996-02-16 2001-03-05 インターナショナル・ビジネス・マシーンズ・コーポレ−ション デイスク装置およびデイスク装置におけるエラー処理方法
US5799324A (en) * 1996-05-10 1998-08-25 International Business Machines Corporation System and method for management of persistent data in a log-structured disk array
JPH10254642A (ja) * 1997-03-14 1998-09-25 Hitachi Ltd 記憶装置システム
JPH10254631A (ja) * 1997-03-14 1998-09-25 Hitachi Ltd コンピューターシステム
JP3595099B2 (ja) * 1997-03-17 2004-12-02 富士通株式会社 デバイスアレイ・システム
JP3228182B2 (ja) 1997-05-29 2001-11-12 株式会社日立製作所 記憶システム及び記憶システムへのアクセス方法
US6092215A (en) * 1997-09-29 2000-07-18 International Business Machines Corporation System and method for reconstructing data in a storage array system
US6029179A (en) * 1997-12-18 2000-02-22 International Business Machines Corporation Automated read-only volume processing in a virtual tape server
US6061753A (en) * 1998-01-27 2000-05-09 Emc Corporation Apparatus and method of accessing target devices across a bus utilizing initiator identifiers
US6219751B1 (en) 1998-04-28 2001-04-17 International Business Machines Corporation Device level coordination of access operations among multiple raid control units
US6247157B1 (en) * 1998-05-13 2001-06-12 Intel Corporation Method of encoding data signals for storage
US6052799A (en) * 1998-05-15 2000-04-18 International Business Machines Corporation System and method for recovering a directory for a log structured array
US6122754A (en) * 1998-05-22 2000-09-19 International Business Machines Corporation Method and system for data recovery using a distributed and scalable data structure
JP2000003255A (ja) * 1998-06-12 2000-01-07 Nec Corp ディスクアレイ装置
US6317839B1 (en) * 1999-01-19 2001-11-13 International Business Machines Corporation Method of and apparatus for controlling supply of power to a peripheral device in a computer system
US6466540B1 (en) 1999-05-05 2002-10-15 International Business Machines Corporation Self-healing coupler for a serial raid device
US7389466B1 (en) * 1999-08-12 2008-06-17 Texas Instruments Incorporated ECC in computer system with associated mass storage device, and method for operating same
JP2001167040A (ja) * 1999-12-14 2001-06-22 Hitachi Ltd 記憶サブシステム及び記憶制御装置
JP4651230B2 (ja) 2001-07-13 2011-03-16 株式会社日立製作所 記憶システム及び論理ユニットへのアクセス制御方法
US6684209B1 (en) * 2000-01-14 2004-01-27 Hitachi, Ltd. Security method and system for storage subsystem
US7657727B2 (en) * 2000-01-14 2010-02-02 Hitachi, Ltd. Security for logical unit in storage subsystem
JP4719957B2 (ja) * 2000-05-24 2011-07-06 株式会社日立製作所 記憶制御装置及び記憶システム並びに記憶システムのセキュリティ設定方法
US6546458B2 (en) * 2000-12-29 2003-04-08 Storage Technology Corporation Method and apparatus for arbitrarily large capacity removable media
US20020138559A1 (en) * 2001-01-29 2002-09-26 Ulrich Thomas R. Dynamically distributed file system
US20020156973A1 (en) * 2001-01-29 2002-10-24 Ulrich Thomas R. Enhanced disk array
US6862692B2 (en) * 2001-01-29 2005-03-01 Adaptec, Inc. Dynamic redistribution of parity groups
US6990547B2 (en) * 2001-01-29 2006-01-24 Adaptec, Inc. Replacing file system processors by hot swapping
US20020124137A1 (en) * 2001-01-29 2002-09-05 Ulrich Thomas R. Enhancing disk array performance via variable parity based load balancing
US7054927B2 (en) 2001-01-29 2006-05-30 Adaptec, Inc. File system metadata describing server directory information
US6990667B2 (en) 2001-01-29 2006-01-24 Adaptec, Inc. Server-independent object positioning for load balancing drives and servers
US6957351B2 (en) * 2001-07-03 2005-10-18 International Business Machines Corporation Automated disk drive library with removable media powered via contactless coupling
US7152142B1 (en) * 2002-10-25 2006-12-19 Copan Systems, Inc. Method for a workload-adaptive high performance storage system with data protection
US7484050B2 (en) * 2003-09-08 2009-01-27 Copan Systems Inc. High-density storage systems using hierarchical interconnect
US7428691B2 (en) * 2003-11-12 2008-09-23 Norman Ken Ouchi Data recovery from multiple failed data blocks and storage units
JP4493321B2 (ja) * 2003-11-19 2010-06-30 株式会社日立製作所 ディスクアレイ装置及びデータ退避方法
US7873782B2 (en) * 2004-11-05 2011-01-18 Data Robotics, Inc. Filesystem-aware block storage system, apparatus, and method
AU2005304792B2 (en) * 2004-11-05 2010-07-08 Drobo, Inc. Storage system condition indicator and method
US7661058B1 (en) 2006-04-17 2010-02-09 Marvell International Ltd. Efficient raid ECC controller for raid systems
JP2008197886A (ja) * 2007-02-13 2008-08-28 Nec Corp ストレージ装置及びその制御方法
JP5111965B2 (ja) * 2007-07-24 2013-01-09 株式会社日立製作所 記憶制御装置及びその制御方法
US9244779B2 (en) 2010-09-30 2016-01-26 Commvault Systems, Inc. Data recovery operations, such as recovery from modified network data management protocol data
US9069799B2 (en) 2012-12-27 2015-06-30 Commvault Systems, Inc. Restoration of centralized data storage manager, such as data storage manager in a hierarchical data storage system
US9563509B2 (en) 2014-07-15 2017-02-07 Nimble Storage, Inc. Methods and systems for storing data in a redundant manner on a plurality of storage units of a storage system
US10101913B2 (en) * 2015-09-02 2018-10-16 Commvault Systems, Inc. Migrating data to disk without interrupting running backup operations

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790654A (fr) * 1971-10-28 1973-04-27 Siemens Ag Systeme de traitement avec des unites de systeme
US3805039A (en) * 1972-11-30 1974-04-16 Raytheon Co High reliability system employing subelement redundancy
US4467421A (en) * 1979-10-18 1984-08-21 Storage Technology Corporation Virtual storage system and method
US4494155A (en) * 1982-11-08 1985-01-15 Eastman Kodak Company Adaptive redundance in data recording
US4825403A (en) * 1983-05-16 1989-04-25 Data General Corporation Apparatus guaranteeing that a controller in a disk drive system receives at least some data from an invalid track sector
FR2561428B1 (fr) * 1984-03-16 1986-09-12 Bull Sa Procede d'enregistrement dans une memoire a disques et systeme de memoire a disques
US4667326A (en) * 1984-12-20 1987-05-19 Advanced Micro Devices, Inc. Method and apparatus for error detection and correction in systems comprising floppy and/or hard disk drives
CA1263194A (en) * 1985-05-08 1989-11-21 W. Daniel Hillis Storage system using multiple mechanically-driven storage units
US4722085A (en) * 1986-02-03 1988-01-26 Unisys Corp. High capacity disk storage system having unusually high fault tolerance level and bandpass
US4761785B1 (en) * 1986-06-12 1996-03-12 Ibm Parity spreading to enhance storage access
US4870643A (en) * 1987-11-06 1989-09-26 Micropolis Corporation Parallel drive array storage system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10313892A1 (de) * 2003-03-27 2004-10-21 Fujitsu Siemens Computers Gmbh Anordnung und Verfahren zum Austausch von Massenspeichern
DE10313892B4 (de) * 2003-03-27 2007-04-19 Fujitsu Siemens Computers Gmbh Anordnung und Verfahren zum Austausch von Massenspeichern

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DE68919219D1 (de) 1994-12-08
AU1809392A (en) 1992-07-30
ATE113739T1 (de) 1994-11-15
CA1322409C (en) 1993-09-21
AU1802592A (en) 1992-08-27
AU647931B2 (en) 1994-03-31
JP2831072B2 (ja) 1998-12-02
US4914656A (en) 1990-04-03
EP0422030B1 (de) 1994-11-02
AU621126B2 (en) 1992-03-05
EP0422030A1 (de) 1991-04-17
AU3698489A (en) 1990-01-23
EP0422030A4 (de) 1991-02-18
WO1990000280A1 (en) 1990-01-11
JPH03505935A (ja) 1991-12-19
AU647280B2 (en) 1994-03-17

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