ATE145737T1 - Verfahren zur verbesserung von partiellen streifenschreib-operationen einer speicherplattenanordnung - Google Patents

Verfahren zur verbesserung von partiellen streifenschreib-operationen einer speicherplattenanordnung

Info

Publication number
ATE145737T1
ATE145737T1 AT93901200T AT93901200T ATE145737T1 AT E145737 T1 ATE145737 T1 AT E145737T1 AT 93901200 T AT93901200 T AT 93901200T AT 93901200 T AT93901200 T AT 93901200T AT E145737 T1 ATE145737 T1 AT E145737T1
Authority
AT
Austria
Prior art keywords
write
stripe
partial
write operations
partial stripe
Prior art date
Application number
AT93901200T
Other languages
English (en)
Inventor
E David Neufeld
Original Assignee
Compaq Computer 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 Compaq Computer Corp filed Critical Compaq Computer Corp
Application granted granted Critical
Publication of ATE145737T1 publication Critical patent/ATE145737T1/de

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
    • 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
    • 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
    • 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 OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/10—Indexing scheme relating to G06F11/10
    • G06F2211/1002—Indexing scheme relating to G06F11/1076
    • G06F2211/1033—Inactive data in parity groups, i.e. RAID parity groups where parity is calculated on only occupied or busy bits in the stripe
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Detection And Correction Of Errors (AREA)
AT93901200T 1991-12-27 1992-12-18 Verfahren zur verbesserung von partiellen streifenschreib-operationen einer speicherplattenanordnung ATE145737T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/815,118 US5333305A (en) 1991-12-27 1991-12-27 Method for improving partial stripe write performance in disk array subsystems

Publications (1)

Publication Number Publication Date
ATE145737T1 true ATE145737T1 (de) 1996-12-15

Family

ID=25216919

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93901200T ATE145737T1 (de) 1991-12-27 1992-12-18 Verfahren zur verbesserung von partiellen streifenschreib-operationen einer speicherplattenanordnung

Country Status (9)

Country Link
US (1) US5333305A (de)
EP (1) EP0619897B1 (de)
JP (1) JPH06511098A (de)
KR (1) KR940704028A (de)
AT (1) ATE145737T1 (de)
AU (1) AU3326893A (de)
CA (1) CA2126755A1 (de)
DE (1) DE69215538T2 (de)
WO (1) WO1993013478A1 (de)

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Also Published As

Publication number Publication date
KR940704028A (ko) 1994-12-12
WO1993013478A1 (en) 1993-07-08
EP0619897A1 (de) 1994-10-19
AU3326893A (en) 1993-07-28
JPH06511098A (ja) 1994-12-08
DE69215538T2 (de) 1997-05-22
DE69215538D1 (de) 1997-01-09
US5333305A (en) 1994-07-26
EP0619897B1 (de) 1996-11-27
CA2126755A1 (en) 1993-06-28

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