JPS58175200A - 記憶システムのチエツク方式 - Google Patents

記憶システムのチエツク方式

Info

Publication number
JPS58175200A
JPS58175200A JP57058808A JP5880882A JPS58175200A JP S58175200 A JPS58175200 A JP S58175200A JP 57058808 A JP57058808 A JP 57058808A JP 5880882 A JP5880882 A JP 5880882A JP S58175200 A JPS58175200 A JP S58175200A
Authority
JP
Japan
Prior art keywords
write data
bit
error correction
storage device
data
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
JP57058808A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235703B2 (enrdf_load_stackoverflow
Inventor
Shigeru Miyajima
茂 宮島
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
Original Assignee
Fujitsu Ltd
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 filed Critical Fujitsu Ltd
Priority to JP57058808A priority Critical patent/JPS58175200A/ja
Publication of JPS58175200A publication Critical patent/JPS58175200A/ja
Publication of JPS6235703B2 publication Critical patent/JPS6235703B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Detection And Correction Of Errors (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
JP57058808A 1982-04-08 1982-04-08 記憶システムのチエツク方式 Granted JPS58175200A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57058808A JPS58175200A (ja) 1982-04-08 1982-04-08 記憶システムのチエツク方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57058808A JPS58175200A (ja) 1982-04-08 1982-04-08 記憶システムのチエツク方式

Publications (2)

Publication Number Publication Date
JPS58175200A true JPS58175200A (ja) 1983-10-14
JPS6235703B2 JPS6235703B2 (enrdf_load_stackoverflow) 1987-08-03

Family

ID=13094897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57058808A Granted JPS58175200A (ja) 1982-04-08 1982-04-08 記憶システムのチエツク方式

Country Status (1)

Country Link
JP (1) JPS58175200A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139857A (ja) * 1984-12-12 1986-06-27 Fujitsu Ltd メモリ回路の検査方式
JPH0414149A (ja) * 1990-05-08 1992-01-20 Yamatake Honeywell Co Ltd パリティチェック回路のテスト装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5294744A (en) * 1976-02-04 1977-08-09 Hitachi Ltd Diagnosis system for error detection and correction circuits
JPS5425637A (en) * 1977-07-29 1979-02-26 Fujitsu Ltd Memory unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5294744A (en) * 1976-02-04 1977-08-09 Hitachi Ltd Diagnosis system for error detection and correction circuits
JPS5425637A (en) * 1977-07-29 1979-02-26 Fujitsu Ltd Memory unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139857A (ja) * 1984-12-12 1986-06-27 Fujitsu Ltd メモリ回路の検査方式
JPH0414149A (ja) * 1990-05-08 1992-01-20 Yamatake Honeywell Co Ltd パリティチェック回路のテスト装置

Also Published As

Publication number Publication date
JPS6235703B2 (enrdf_load_stackoverflow) 1987-08-03

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