JPS57127998A - Detection system for disconnection of failed unit - Google Patents

Detection system for disconnection of failed unit

Info

Publication number
JPS57127998A
JPS57127998A JP56012576A JP1257681A JPS57127998A JP S57127998 A JPS57127998 A JP S57127998A JP 56012576 A JP56012576 A JP 56012576A JP 1257681 A JP1257681 A JP 1257681A JP S57127998 A JPS57127998 A JP S57127998A
Authority
JP
Japan
Prior art keywords
failure detection
unit
storage device
access side
detection section
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
JP56012576A
Other languages
Japanese (ja)
Other versions
JPH0235340B2 (en
Inventor
Kiyokatsu Iijima
Haruhiko Tsunoda
Masamitsu Kobayashi
Shigeo Kaneda
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.)
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
Nippon Telegraph and Telephone 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 Fujitsu Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP56012576A priority Critical patent/JPS57127998A/en
Publication of JPS57127998A publication Critical patent/JPS57127998A/en
Publication of JPH0235340B2 publication Critical patent/JPH0235340B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)
  • Hardware Redundancy (AREA)
  • Debugging And Monitoring (AREA)

Abstract

PURPOSE:To detect failure of individual memory unit with less hardware constitution, by collating the result of failure detection at a common unit failure detection section in each storage device with that a storage device failure detection section at an access side device. CONSTITUTION:In a data processing system linking storage devices 2A-2N sectioning storage area into a plurality of units and an access side device to them with buses 7A-7N, unit failure detection sections 4A, 5A common to each unit are provided on a bus, e.g., 6A where readout data from each unit is commonly given in each storage device. In the access side device 1 where the readout data is transferred via a bus, storage device failure detection sections 14, 15 are provided, the result of failure detection by the unit failure detection section is transferred to the access side device and the result is collated with that at the storage device failure detection section, allowing to discriminate the failure in each unit.
JP56012576A 1981-01-30 1981-01-30 Detection system for disconnection of failed unit Granted JPS57127998A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56012576A JPS57127998A (en) 1981-01-30 1981-01-30 Detection system for disconnection of failed unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56012576A JPS57127998A (en) 1981-01-30 1981-01-30 Detection system for disconnection of failed unit

Publications (2)

Publication Number Publication Date
JPS57127998A true JPS57127998A (en) 1982-08-09
JPH0235340B2 JPH0235340B2 (en) 1990-08-09

Family

ID=11809179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56012576A Granted JPS57127998A (en) 1981-01-30 1981-01-30 Detection system for disconnection of failed unit

Country Status (1)

Country Link
JP (1) JPS57127998A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6432358A (en) * 1987-07-29 1989-02-02 Nec Corp Fault processing system
JP2008102693A (en) * 2006-10-18 2008-05-01 Tdk Corp Memory controller, flash memory system, and method of controlling flash memory

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6432358A (en) * 1987-07-29 1989-02-02 Nec Corp Fault processing system
JP2008102693A (en) * 2006-10-18 2008-05-01 Tdk Corp Memory controller, flash memory system, and method of controlling flash memory
JP4582078B2 (en) * 2006-10-18 2010-11-17 Ｔｄｋ株式会社 Memory controller, flash memory system, and flash memory control method

Also Published As

Publication number Publication date
JPH0235340B2 (en) 1990-08-09

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