DE3380909D1 - Fehlertabellen-aktualisierungssystem fuer fehlertoleranten speicher. - Google Patents

Fehlertabellen-aktualisierungssystem fuer fehlertoleranten speicher.

Info

Publication number
DE3380909D1
DE3380909D1 DE8383105267T DE3380909T DE3380909D1 DE 3380909 D1 DE3380909 D1 DE 3380909D1 DE 8383105267 T DE8383105267 T DE 8383105267T DE 3380909 T DE3380909 T DE 3380909T DE 3380909 D1 DE3380909 D1 DE 3380909D1
Authority
DE
Germany
Prior art keywords
error
update system
table update
tolerant storage
error table
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
DE8383105267T
Other languages
English (en)
Inventor
Philip M Ryan
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3380909D1 publication Critical patent/DE3380909D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11C29/70—Masking faults in memories by using spares or by reconfiguring
    • G11C29/88—Masking faults in memories by using spares or by reconfiguring with partially good memories
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • 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
    • 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
    • G06F11/1048—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 using arrangements adapted for a specific error detection or correction feature
    • G06F11/106—Correcting systematically all correctable errors, i.e. scrubbing
DE8383105267T 1982-06-16 1983-05-27 Fehlertabellen-aktualisierungssystem fuer fehlertoleranten speicher. Expired - Fee Related DE3380909D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/388,832 US4479214A (en) 1982-06-16 1982-06-16 System for updating error map of fault tolerant memory

Publications (1)

Publication Number Publication Date
DE3380909D1 true DE3380909D1 (de) 1990-01-04

Family

ID=23535709

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383105267T Expired - Fee Related DE3380909D1 (de) 1982-06-16 1983-05-27 Fehlertabellen-aktualisierungssystem fuer fehlertoleranten speicher.

Country Status (4)

Country Link
US (1) US4479214A (de)
EP (1) EP0096781B1 (de)
JP (1) JPS593800A (de)
DE (1) DE3380909D1 (de)

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Also Published As

Publication number Publication date
JPS6237424B2 (de) 1987-08-12
EP0096781A2 (de) 1983-12-28
US4479214A (en) 1984-10-23
JPS593800A (ja) 1984-01-10
EP0096781A3 (en) 1986-12-17
EP0096781B1 (de) 1989-11-29

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee