HK1000075A1 - Computer controlled optimized pairing of disk units - Google Patents

Computer controlled optimized pairing of disk units Download PDF

Info

Publication number
HK1000075A1
HK1000075A1 HK97101603A HK97101603A HK1000075A1 HK 1000075 A1 HK1000075 A1 HK 1000075A1 HK 97101603 A HK97101603 A HK 97101603A HK 97101603 A HK97101603 A HK 97101603A HK 1000075 A1 HK1000075 A1 HK 1000075A1
Authority
HK
Hong Kong
Prior art keywords
disk units
disk
protection
level
units
Prior art date
Application number
HK97101603A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1000075B (en
Inventor
Roy Martin Dennis
James Mcdermott Michael
Douglas Plumlee Stuart
Harry Satin Robert
Lee Wenger Robert
Original Assignee
International Business Machines Corporation
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 Corporation filed Critical International Business Machines Corporation
Publication of HK1000075A1 publication Critical patent/HK1000075A1/en
Publication of HK1000075B publication Critical patent/HK1000075B/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/08Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error 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
    • G06F11/2053Error 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 persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2056Error 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 persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
    • G06F11/2069Management of state, configuration or failover
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/008Reliability or availability analysis
    • 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
    • G11B20/1803Error detection or correction; Testing, e.g. of drop-outs by redundancy in data representation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C29/00Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/70Masking faults in memories by using spares or by reconfiguring
    • G11C29/74Masking faults in memories by using spares or by reconfiguring using duplex memories, i.e. using dual copies
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/22Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/2257Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using expert systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Hardware Redundancy (AREA)
  • Storage Device Security (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
HK97101603.1A 1997-07-23 Computer controlled optimized pairing of disk units HK1000075B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/469,611 US5185884A (en) 1990-01-24 1990-01-24 Computer controlled optimized pairing of disk units

Publications (2)

Publication Number Publication Date
HK1000075A1 true HK1000075A1 (en) 1997-11-14
HK1000075B HK1000075B (en) 1997-11-14

Family

ID=

Also Published As

Publication number Publication date
TW216457B (enExample) 1993-11-21
CN1053695A (zh) 1991-08-07
CN1067779C (zh) 2001-06-27
DE69030951D1 (de) 1997-07-24
CN1090071A (zh) 1994-07-27
JPH03226825A (ja) 1991-10-07
US5185884A (en) 1993-02-09
BR9100319A (pt) 1991-10-22
AU6835090A (en) 1991-07-25
AU640724B2 (en) 1993-09-02
EP0441090A2 (en) 1991-08-14
DE69030951T2 (de) 1998-01-15
US5167032A (en) 1992-11-24
JPH058447B2 (enExample) 1993-02-02
CA2030940A1 (en) 1991-07-25
CN1031084C (zh) 1996-02-21
EP0441090B1 (en) 1997-06-18
EP0441090A3 (en) 1993-10-06
SG70107A1 (en) 2000-01-25
CA2030940C (en) 1995-11-21
SG44411A1 (en) 1997-12-19
KR940001269B1 (ko) 1994-02-18
KR910014815A (ko) 1991-08-31

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20061228