DE69631106D1 - On-line-Rekonfiguration einer Speicherplattenanordnung - Google Patents

On-line-Rekonfiguration einer Speicherplattenanordnung

Info

Publication number
DE69631106D1
DE69631106D1 DE69631106T DE69631106T DE69631106D1 DE 69631106 D1 DE69631106 D1 DE 69631106D1 DE 69631106 T DE69631106 T DE 69631106T DE 69631106 T DE69631106 T DE 69631106T DE 69631106 D1 DE69631106 D1 DE 69631106D1
Authority
DE
Germany
Prior art keywords
logical volume
disk array
task
data
reconfiguration
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 - Lifetime
Application number
DE69631106T
Other languages
English (en)
Other versions
DE69631106T2 (de
Inventor
Stephen M Schultz
Mark J Thompson
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.)
Compaq Computer Corp
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
Publication of DE69631106D1 publication Critical patent/DE69631106D1/de
Application granted granted Critical
Publication of DE69631106T2 publication Critical patent/DE69631106T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
    • G06F11/1096—Parity calculation or recalculation after configuration or reconfiguration of the system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0626—Reducing size or complexity of storage systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0629—Configuration or reconfiguration of storage systems
    • G06F3/0632—Configuration or reconfiguration of storage systems by initialisation or re-initialisation of storage systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0683—Plurality of storage devices
    • G06F3/0689—Disk arrays, e.g. RAID, JBOD
    • 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
    • G11C29/74—Masking faults in memories by using spares or by reconfiguring using duplex memories, i.e. using dual copies
DE69631106T 1995-10-13 1996-10-04 On-line-Rekonfiguration einer Speicherplattenanordnung Expired - Lifetime DE69631106T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US542897 1995-10-13
US08/542,897 US5809224A (en) 1995-10-13 1995-10-13 On-line disk array reconfiguration

Publications (2)

Publication Number Publication Date
DE69631106D1 true DE69631106D1 (de) 2004-01-29
DE69631106T2 DE69631106T2 (de) 2004-06-17

Family

ID=24165751

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69631106T Expired - Lifetime DE69631106T2 (de) 1995-10-13 1996-10-04 On-line-Rekonfiguration einer Speicherplattenanordnung

Country Status (3)

Country Link
US (2) US5809224A (de)
EP (1) EP0768599B1 (de)
DE (1) DE69631106T2 (de)

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* Cited by examiner, † Cited by third party
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US5809224A (en) 1998-09-15
US6058489A (en) 2000-05-02
EP0768599A1 (de) 1997-04-16
DE69631106T2 (de) 2004-06-17

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