DE69131728T2 - Speicherungssystem für binäre rechner mit hoher geschwindigkeit, hoher kapazität, fehlertoleranz und fehlerkorrektur - Google Patents

Speicherungssystem für binäre rechner mit hoher geschwindigkeit, hoher kapazität, fehlertoleranz und fehlerkorrektur

Info

Publication number
DE69131728T2
DE69131728T2 DE69131728T DE69131728T DE69131728T2 DE 69131728 T2 DE69131728 T2 DE 69131728T2 DE 69131728 T DE69131728 T DE 69131728T DE 69131728 T DE69131728 T DE 69131728T DE 69131728 T2 DE69131728 T2 DE 69131728T2
Authority
DE
Germany
Prior art keywords
disk drive
cache
cache memory
data
drive controller
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
DE69131728T
Other languages
English (en)
Other versions
DE69131728D1 (de
Inventor
Theodore Goodlander
Raul Kacirek
Andras Sarkozy
Tamas Hetenyi
Janos Selmeczi
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 COMP CORP
Original Assignee
STORAGE COMP 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24212152&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69131728(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by STORAGE COMP CORP filed Critical STORAGE COMP CORP
Publication of DE69131728D1 publication Critical patent/DE69131728D1/de
Application granted granted Critical
Publication of DE69131728T2 publication Critical patent/DE69131728T2/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
    • 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
    • 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
    • G06F11/08—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
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • 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
    • G06F11/08—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; CALCULATING OR 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
    • 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
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • 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
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • 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
    • 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
    • G06F3/0673—Single storage device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99955—Archiving or backup
DE69131728T 1990-07-17 1991-07-15 Speicherungssystem für binäre rechner mit hoher geschwindigkeit, hoher kapazität, fehlertoleranz und fehlerkorrektur Expired - Fee Related DE69131728T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/554,127 US5257367A (en) 1987-06-02 1990-07-17 Data storage system with asynchronous host operating system communication link
PCT/US1991/004988 WO1992001988A1 (en) 1990-07-17 1991-07-15 High-speed, high-capacity, fault-tolerant, error-correcting storage system for binary computers

Publications (2)

Publication Number Publication Date
DE69131728D1 DE69131728D1 (de) 1999-11-25
DE69131728T2 true DE69131728T2 (de) 2000-11-16

Family

ID=24212152

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69131728T Expired - Fee Related DE69131728T2 (de) 1990-07-17 1991-07-15 Speicherungssystem für binäre rechner mit hoher geschwindigkeit, hoher kapazität, fehlertoleranz und fehlerkorrektur

Country Status (8)

Country Link
US (1) US5257367A (de)
EP (1) EP0539494B1 (de)
JP (1) JP3273254B2 (de)
AT (1) ATE185910T1 (de)
AU (1) AU663293B2 (de)
CA (1) CA2087162C (de)
DE (1) DE69131728T2 (de)
WO (1) WO1992001988A1 (de)

Families Citing this family (145)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4993030A (en) * 1988-04-22 1991-02-12 Amdahl Corporation File system for a plurality of storage classes
US5689670A (en) * 1989-03-17 1997-11-18 Luk; Fong Data transferring system with multiple port bus connecting the low speed data storage unit and the high speed data storage unit and the method for transferring data
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
GB9116268D0 (en) * 1991-07-27 1991-09-11 Int Computers Ltd Data processing system
JP2536984B2 (ja) * 1991-09-26 1996-09-25 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 周辺装置の制御方法、フロッピ・ディスク装置の制御方法、周辺装置、フロッピ・ディスク装置、及び、デ―タ処理システム
US5499337A (en) 1991-09-27 1996-03-12 Emc Corporation Storage device array architecture with solid-state redundancy unit
US5745789A (en) * 1992-01-23 1998-04-28 Hitachi, Ltd. Disc system for holding data in a form of a plurality of data blocks dispersed in a plurality of disc units connected by a common data bus
US5581778A (en) * 1992-08-05 1996-12-03 David Sarnoff Researach Center Advanced massively parallel computer using a field of the instruction to selectively enable the profiling counter to increase its value in response to the system clock
GB2270791B (en) * 1992-09-21 1996-07-17 Grass Valley Group Disk-based digital video recorder
JP3181398B2 (ja) * 1992-10-06 2001-07-03 三菱電機株式会社 アレイ型記録装置
US5448709A (en) * 1992-10-13 1995-09-05 Compaq Computer Corporation Disk array controller having command descriptor blocks utilized by bus master and bus slave for respectively performing data transfer operations
GB2273584B (en) * 1992-12-16 1997-04-16 Quantel Ltd A data storage apparatus
GB2274182B (en) * 1993-01-09 1996-09-25 Digital Equipment Int Database co-processor
US5689678A (en) * 1993-03-11 1997-11-18 Emc Corporation Distributed storage array system having a plurality of modular control units
US5933839A (en) * 1993-07-23 1999-08-03 Kabushiki Kaisha Toshiba Distributed file system for renewing data with high integrity
JPH0793219A (ja) * 1993-09-20 1995-04-07 Olympus Optical Co Ltd 情報処理装置
US5771354A (en) 1993-11-04 1998-06-23 Crawford; Christopher M. Internet online backup system provides remote storage for customers using IDs and passwords which were interactively established when signing up for backup services
US7080051B1 (en) 1993-11-04 2006-07-18 Crawford Christopher M Internet download systems and methods providing software to internet computer users for local execution
JP3161189B2 (ja) 1993-12-03 2001-04-25 株式会社日立製作所 記憶システム
JP3224326B2 (ja) * 1994-06-24 2001-10-29 富士通株式会社 ディスク装置及びディスクサブシステム
US6604103B1 (en) 1994-09-02 2003-08-05 Mark A. Wolfe System and method for information retrieval employing a preloading procedure
US7467137B1 (en) 1994-09-02 2008-12-16 Wolfe Mark A System and method for information retrieval employing a preloading procedure
US7103594B1 (en) 1994-09-02 2006-09-05 Wolfe Mark A System and method for information retrieval employing a preloading procedure
US5715445A (en) * 1994-09-02 1998-02-03 Wolfe; Mark A. Document retrieval system employing a preloading procedure
US5884093A (en) * 1994-09-02 1999-03-16 Rock Solid Systems, Inc. Hard disk cache for CD-ROM and other slow access time devices
JP3782840B2 (ja) * 1995-07-14 2006-06-07 株式会社ルネサステクノロジ 外部記憶装置およびそのメモリアクセス制御方法
US5802560A (en) * 1995-08-30 1998-09-01 Ramton International Corporation Multibus cached memory system
WO1997011426A1 (en) 1995-09-18 1997-03-27 Cyberstorage Systems, Inc. Universal storage management system
JPH0991230A (ja) * 1995-09-26 1997-04-04 Matsushita Electric Ind Co Ltd データ転送システム
US5802069A (en) * 1995-11-13 1998-09-01 Intel Corporation Implementing mass storage device functions using host processor memory
US5884098A (en) * 1996-04-18 1999-03-16 Emc Corporation RAID controller system utilizing front end and back end caching systems including communication path connecting two caching systems and synchronizing allocation of blocks in caching systems
US5790774A (en) * 1996-05-21 1998-08-04 Storage Computer Corporation Data storage system with dedicated allocation of parity storage and parity reads and writes only on operations requiring parity information
US5720027A (en) * 1996-05-21 1998-02-17 Storage Computer Corporation Redundant disc computer having targeted data broadcast
US5732238A (en) * 1996-06-12 1998-03-24 Storage Computer Corporation Non-volatile cache for providing data integrity in operation with a volatile demand paging cache in a data storage system
US6434663B1 (en) 1996-09-06 2002-08-13 Intel Corporation Disk block allocation optimization methodology with accommodation for file system cluster size greater than operating system memory page size
US5802593A (en) * 1996-09-06 1998-09-01 Intel Corporation Method and apparatus for improving disk drive performance
US6742080B1 (en) 1996-09-06 2004-05-25 Intel Corporation Disk block allocation optimization methodology and application
KR100208801B1 (ko) 1996-09-16 1999-07-15 윤종용 데이타 입/출력 성능을 향상시키기 위한 기억장치 시스템 및 그에 따른 데이타 복구정보 캐시구현방법
US6292878B1 (en) * 1996-12-12 2001-09-18 Matsushita Electric Industrial Co., Ltd. Data recorder and method of access to data recorder
US8626763B1 (en) 1997-05-22 2014-01-07 Google Inc. Server-side suggestion of preload operations
US6381674B2 (en) * 1997-09-30 2002-04-30 Lsi Logic Corporation Method and apparatus for providing centralized intelligent cache between multiple data controlling elements
US7257604B1 (en) 1997-11-17 2007-08-14 Wolfe Mark A System and method for communicating information relating to a network resource
US5953689A (en) * 1998-03-12 1999-09-14 Emc Corporation Benchmark tool for a mass storage system
US6205449B1 (en) * 1998-03-20 2001-03-20 Lucent Technologies, Inc. System and method for providing hot spare redundancy and recovery for a very large database management system
JP3812928B2 (ja) * 1999-07-14 2006-08-23 株式会社日立製作所 外部記憶装置及び情報処理システム
US6457102B1 (en) 1999-11-05 2002-09-24 Emc Corporation Cache using multiple LRU's
EP1098249A1 (de) * 1999-11-05 2001-05-09 Emc Corporation Cachespeichersegmentierung zur Bereitstellung von unterschiedlichen Betriebsniveaus
US6636940B1 (en) * 1999-12-02 2003-10-21 International Business Machines Corporation Task control for high level commands in disk drives
US6865514B1 (en) * 2000-08-18 2005-03-08 Emc Corporation Post test data processing of a mass storage system
US6977927B1 (en) 2000-09-18 2005-12-20 Hewlett-Packard Development Company, L.P. Method and system of allocating storage resources in a storage area network
US7386610B1 (en) 2000-09-18 2008-06-10 Hewlett-Packard Development Company, L.P. Internet protocol data mirroring
US6804819B1 (en) 2000-09-18 2004-10-12 Hewlett-Packard Development Company, L.P. Method, system, and computer program product for a data propagation platform and applications of same
US6606690B2 (en) 2001-02-20 2003-08-12 Hewlett-Packard Development Company, L.P. System and method for accessing a storage area network as network attached storage
US6851082B1 (en) 2001-11-13 2005-02-01 Network Appliance, Inc. Concentrated parity technique for handling double failures and enabling storage of more than one parity block per stripe on a storage device of a storage array
US7346831B1 (en) 2001-11-13 2008-03-18 Network Appliance, Inc. Parity assignment technique for parity declustering in a parity array of a storage system
US8402346B2 (en) * 2001-12-28 2013-03-19 Netapp, Inc. N-way parity technique for enabling recovery from up to N storage device failures
US7073115B2 (en) * 2001-12-28 2006-07-04 Network Appliance, Inc. Correcting multiple block data loss in a storage array using a combination of a single diagonal parity group and multiple row parity groups
US7613984B2 (en) * 2001-12-28 2009-11-03 Netapp, Inc. System and method for symmetric triple parity for failing storage devices
US6993701B2 (en) 2001-12-28 2006-01-31 Network Appliance, Inc. Row-diagonal parity technique for enabling efficient recovery from double failures in a storage array
US7640484B2 (en) 2001-12-28 2009-12-29 Netapp, Inc. Triple parity technique for enabling efficient recovery from triple failures in a storage array
US7080278B1 (en) 2002-03-08 2006-07-18 Network Appliance, Inc. Technique for correcting multiple storage device failures in a storage array
US7437727B2 (en) * 2002-03-21 2008-10-14 Network Appliance, Inc. Method and apparatus for runtime resource deadlock avoidance in a raid system
US7200715B2 (en) 2002-03-21 2007-04-03 Network Appliance, Inc. Method for writing contiguous arrays of stripes in a RAID storage system using mapped block writes
US7254813B2 (en) * 2002-03-21 2007-08-07 Network Appliance, Inc. Method and apparatus for resource allocation in a raid system
US7539991B2 (en) 2002-03-21 2009-05-26 Netapp, Inc. Method and apparatus for decomposing I/O tasks in a raid system
US20030212859A1 (en) * 2002-05-08 2003-11-13 Ellis Robert W. Arrayed data storage architecture with simultaneous command of multiple storage media
US6976146B1 (en) 2002-05-21 2005-12-13 Network Appliance, Inc. System and method for emulating block appended checksums on storage devices by sector stealing
JP3996010B2 (ja) 2002-08-01 2007-10-24 株式会社日立製作所 ストレージネットワークシステム、管理装置、管理方法及びプログラム
JP2004118250A (ja) * 2002-09-24 2004-04-15 Hitachi Ltd 計算機管理システム、管理プログラム
US7185144B2 (en) * 2003-11-24 2007-02-27 Network Appliance, Inc. Semi-static distribution technique
US7328364B1 (en) 2003-03-21 2008-02-05 Network Appliance, Inc. Technique for coherent suspension of I/O operations in a RAID subsystem
US7111147B1 (en) 2003-03-21 2006-09-19 Network Appliance, Inc. Location-independent RAID group virtual block management
US7424637B1 (en) 2003-03-21 2008-09-09 Networks Appliance, Inc. Technique for managing addition of disks to a volume of a storage system
US7664913B2 (en) * 2003-03-21 2010-02-16 Netapp, Inc. Query-based spares management technique
US7143235B1 (en) 2003-03-21 2006-11-28 Network Appliance, Inc. Proposed configuration management behaviors in a raid subsystem
US7275179B1 (en) 2003-04-24 2007-09-25 Network Appliance, Inc. System and method for reducing unrecoverable media errors in a disk subsystem
US7653699B1 (en) * 2003-06-12 2010-01-26 Symantec Operating Corporation System and method for partitioning a file system for enhanced availability and scalability
US7328305B2 (en) 2003-11-03 2008-02-05 Network Appliance, Inc. Dynamic parity distribution technique
US7366837B2 (en) * 2003-11-24 2008-04-29 Network Appliance, Inc. Data placement technique for striping data containers across volumes of a storage system cluster
US7647451B1 (en) 2003-11-24 2010-01-12 Netapp, Inc. Data placement technique for striping data containers across volumes of a storage system cluster
US7263629B2 (en) * 2003-11-24 2007-08-28 Network Appliance, Inc. Uniform and symmetric double failure correcting technique for protecting against two disk failures in a disk array
JP4516306B2 (ja) 2003-11-28 2010-08-04 株式会社日立製作所 ストレージネットワークの性能情報を収集する方法
JP2005190106A (ja) * 2003-12-25 2005-07-14 Hitachi Ltd 論理ボリュームを管理する記憶制御サブシステム
JP4401788B2 (ja) 2004-01-06 2010-01-20 株式会社日立製作所 ストレージ制御装置
JP2006065697A (ja) * 2004-08-27 2006-03-09 Hitachi Ltd 記憶デバイス制御装置
US20060075281A1 (en) * 2004-09-27 2006-04-06 Kimmel Jeffrey S Use of application-level context information to detect corrupted data in a storage system
US7398460B1 (en) 2005-01-31 2008-07-08 Network Appliance, Inc. Technique for efficiently organizing and distributing parity blocks among storage devices of a storage array
US7747835B1 (en) 2005-06-10 2010-06-29 American Megatrends, Inc. Method, system, and apparatus for expanding storage capacity in a data storage 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
US7562200B1 (en) 2005-06-10 2009-07-14 American Megatrends, Inc. Method, system, apparatus, and computer-readable medium for locking and synchronizing input/output operations in a data storage system
US7373366B1 (en) 2005-06-10 2008-05-13 American Megatrends, Inc. Method, system, apparatus, and computer-readable medium for taking and managing snapshots of a storage volume
US8055938B1 (en) 2005-06-10 2011-11-08 American Megatrends, Inc. Performance in virtual tape libraries
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
US7711897B1 (en) 2005-06-10 2010-05-04 American Megatrends, Inc. Method, system, apparatus, and computer-readable medium for improving disk array performance
US7778960B1 (en) 2005-10-20 2010-08-17 American Megatrends, Inc. Background movement of data between nodes in a storage cluster
US8010829B1 (en) 2005-10-20 2011-08-30 American Megatrends, Inc. Distributed hot-spare storage in a storage cluster
US7996608B1 (en) 2005-10-20 2011-08-09 American Megatrends, Inc. Providing redundancy in a storage system
US8010485B1 (en) 2005-10-20 2011-08-30 American Megatrends, Inc. Background movement of data between nodes in a storage cluster
US7721044B1 (en) 2005-10-20 2010-05-18 American Megatrends, Inc. Expanding the storage capacity of a virtualized data storage system
US20070101058A1 (en) * 2005-10-27 2007-05-03 Kinnan Keith R Storage unit configuration
US8560503B1 (en) 2006-01-26 2013-10-15 Netapp, Inc. Content addressable storage system
US20070177739A1 (en) * 2006-01-27 2007-08-02 Nec Laboratories America, Inc. Method and Apparatus for Distributed Data Replication
US7809892B1 (en) 2006-04-03 2010-10-05 American Megatrends Inc. Asynchronous data replication
US7822921B2 (en) 2006-10-31 2010-10-26 Netapp, Inc. System and method for optimizing write operations in storage systems
US7613947B1 (en) 2006-11-30 2009-11-03 Netapp, Inc. System and method for storage takeover
US7647526B1 (en) 2006-12-06 2010-01-12 Netapp, Inc. Reducing reconstruct input/output operations in storage systems
KR100877609B1 (ko) 2007-01-29 2009-01-09 삼성전자주식회사 버퍼 메모리의 플래그 셀 어레이를 이용하여 데이터 오류 정정을 수행하는 반도체 메모리 시스템 및 그 구동 방법
US8046547B1 (en) 2007-01-30 2011-10-25 American Megatrends, Inc. Storage system snapshots for continuous file protection
US8046548B1 (en) 2007-01-30 2011-10-25 American Megatrends, Inc. Maintaining data consistency in mirrored cluster storage systems using bitmap write-intent logging
US7908448B1 (en) 2007-01-30 2011-03-15 American Megatrends, Inc. Maintaining data consistency in mirrored cluster storage systems with write-back cache
US8498967B1 (en) 2007-01-30 2013-07-30 American Megatrends, Inc. Two-node high availability cluster storage solution using an intelligent initiator to avoid split brain syndrome
US8209587B1 (en) 2007-04-12 2012-06-26 Netapp, Inc. System and method for eliminating zeroing of disk drives in RAID arrays
US8006061B1 (en) 2007-04-13 2011-08-23 American Megatrends, Inc. Data migration between multiple tiers in a storage system using pivot tables
US8024542B1 (en) 2007-04-13 2011-09-20 American Megatrends, Inc. Allocating background workflows in a data storage system using historical data
US8140775B1 (en) 2007-04-13 2012-03-20 American Megatrends, Inc. Allocating background workflows in a data storage system using autocorrelation
US8370597B1 (en) 2007-04-13 2013-02-05 American Megatrends, Inc. Data migration between multiple tiers in a storage system using age and frequency statistics
US8108580B1 (en) 2007-04-17 2012-01-31 American Megatrends, Inc. Low latency synchronous replication using an N-way router
US8082407B1 (en) 2007-04-17 2011-12-20 American Megatrends, Inc. Writable snapshots for boot consolidation
US8001352B1 (en) 2007-04-17 2011-08-16 American Megatrends, Inc. Networked raid in a virtualized cluster
US8271757B1 (en) 2007-04-17 2012-09-18 American Megatrends, Inc. Container space management in a data storage system
US7840837B2 (en) * 2007-04-27 2010-11-23 Netapp, Inc. System and method for protecting memory during system initialization
US8898536B2 (en) * 2007-04-27 2014-11-25 Netapp, Inc. Multi-core engine for detecting bit errors
US7836331B1 (en) 2007-05-15 2010-11-16 Netapp, Inc. System and method for protecting the contents of memory during error conditions
US8127096B1 (en) 2007-07-19 2012-02-28 American Megatrends, Inc. High capacity thin provisioned storage server with advanced snapshot mechanism
US8711851B1 (en) 2007-07-19 2014-04-29 American Megatrends, Inc. Multi-protocol data transfers
US8549522B1 (en) 2007-07-19 2013-10-01 American Megatrends, Inc. Automated testing environment framework for testing data storage systems
US9495370B1 (en) 2007-07-19 2016-11-15 American Megatrends, Inc. Data recovery point review in a continuous data protection system
US7975102B1 (en) 2007-08-06 2011-07-05 Netapp, Inc. Technique to avoid cascaded hot spotting
US8799595B1 (en) 2007-08-30 2014-08-05 American Megatrends, Inc. Eliminating duplicate data in storage systems with boot consolidation
US8732411B1 (en) 2007-11-19 2014-05-20 American Megatrends, Inc. Data de-duplication for information storage systems
US8065442B1 (en) 2007-11-19 2011-11-22 American Megatrends, Inc. High performance journaling for replication and continuous data protection
US8245078B1 (en) 2007-12-21 2012-08-14 American Megatrends, Inc. Recovery interface
US8352716B1 (en) 2008-01-16 2013-01-08 American Megatrends, Inc. Boot caching for boot acceleration within data storage systems
US8799429B1 (en) 2008-05-06 2014-08-05 American Megatrends, Inc. Boot acceleration by consolidating client-specific boot data in a data storage system
US8255739B1 (en) 2008-06-30 2012-08-28 American Megatrends, Inc. Achieving data consistency in a node failover with a degraded RAID array
US8706694B2 (en) * 2008-07-15 2014-04-22 American Megatrends, Inc. Continuous data protection of files stored on a remote storage device
US9158579B1 (en) 2008-11-10 2015-10-13 Netapp, Inc. System having operation queues corresponding to operation execution time
US8650328B1 (en) 2008-12-15 2014-02-11 American Megatrends, Inc. Bi-directional communication between redundant storage controllers
US8332354B1 (en) 2008-12-15 2012-12-11 American Megatrends, Inc. Asynchronous replication by tracking recovery point objective
US8495417B2 (en) * 2009-01-09 2013-07-23 Netapp, Inc. System and method for redundancy-protected aggregates
US8904128B2 (en) * 2011-06-08 2014-12-02 Hewlett-Packard Development Company, L.P. Processing a request to restore deduplicated data
US10185639B1 (en) 2015-05-08 2019-01-22 American Megatrends, Inc. Systems and methods for performing failover in storage system with dual storage controllers
US10558598B2 (en) 2018-03-20 2020-02-11 Seagate Technology Llc Logic circuit that provides verification of signals used to interrupt server operation
CN112863553A (zh) * 2019-11-12 2021-05-28 光宝电子(广州)有限公司 运用于光盘柜中的光盘机启动控制方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876978A (en) * 1973-06-04 1975-04-08 Ibm Archival data protection
GB1578485A (en) * 1976-06-22 1980-11-05 Bell & Howell Co Data coding and error correcting method
US4228496A (en) * 1976-09-07 1980-10-14 Tandem Computers Incorporated Multiprocessor system
US4467421A (en) * 1979-10-18 1984-08-21 Storage Technology Corporation Virtual storage system and method
US4410942A (en) * 1981-03-06 1983-10-18 International Business Machines Corporation Synchronizing buffered peripheral subsystems to host operations
US4644545A (en) * 1983-05-16 1987-02-17 Data General Corporation Digital encoding and decoding apparatus
FR2561428B1 (fr) * 1984-03-16 1986-09-12 Bull Sa Procede d'enregistrement dans une memoire a disques et systeme de memoire a disques
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
US4849978A (en) * 1987-07-02 1989-07-18 International Business Machines Corporation Memory unit backup using checksum
US4903218A (en) * 1987-08-13 1990-02-20 Digital Equipment Corporation Console emulation for a graphics workstation
US4933936A (en) * 1987-08-17 1990-06-12 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Distributed computing system with dual independent communications paths between computers and employing split tokens

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WO1992001988A1 (en) 1992-02-06
CA2087162A1 (en) 1992-01-18
AU663293B2 (en) 1995-10-05
ATE185910T1 (de) 1999-11-15
EP0539494A4 (de) 1995-03-01
JP3273254B2 (ja) 2002-04-08
US5257367A (en) 1993-10-26
DE69131728D1 (de) 1999-11-25
CA2087162C (en) 2001-04-24
AU8300491A (en) 1992-02-18
EP0539494A1 (de) 1993-05-05
EP0539494B1 (de) 1999-10-20
JPH05509186A (ja) 1993-12-16

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