DK3179359T3 - Fremgangsmåde til at sende data, fremgangsmåde til at modtage data og lagerenhed - Google Patents

Fremgangsmåde til at sende data, fremgangsmåde til at modtage data og lagerenhed Download PDF

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Publication number
DK3179359T3
DK3179359T3 DK16177686.9T DK16177686T DK3179359T3 DK 3179359 T3 DK3179359 T3 DK 3179359T3 DK 16177686 T DK16177686 T DK 16177686T DK 3179359 T3 DK3179359 T3 DK 3179359T3
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data
storage device
write data
written
time period
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DK16177686.9T
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Ji Ouyang
Ye Zou
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Huawei Tech Co Ltd
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    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2094—Redundant storage or storage space
    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
    • G06F11/2064—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring while ensuring consistency
    • 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
    • G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
    • G06F3/065—Replication mechanisms
    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1448—Management of the data involved in backup or backup restore
    • G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1458—Management of the backup or restore process
    • G06F11/1464—Management of the backup or restore process for networked environments
    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
    • G06F11/2071—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring using a plurality of controllers
    • G06F11/2074—Asynchronous techniques
    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2097—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements maintaining the standby controller/processing unit updated
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/82—Solving problems relating to consistency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/84—Using snapshots, i.e. a logical point-in-time copy of the data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/885—Monitoring specific for caches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10—Providing a specific technical effect
    • G06F2212/1032—Reliability improvement, data loss prevention, degraded operation etc
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/46—Caching storage objects of specific type in disk cache
    • G06F2212/466—Metadata, control data

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  • 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)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Retry When Errors Occur (AREA)
  • Computer Security & Cryptography (AREA)

Claims (4)

1. Fremgangsmåde for en første lagerenhed til at sikkerhedskopiere data til en anden lagerenhed, der omfatter: opnåelse (S103), med en processor for den første lagerenhed, af nye data, der er indbefattet i en flerhed af skrivedataanmodninger i overensstemmelse med et første antal fra en cache for den første lagerenhed, hvor det første antal svarer til en aktuel replikeringsopgave, hvor hver af skrivedataanmodningerne er vedhæftet til det første antal; identificering, med processoren, af et andet antal, hvor det andet antal er tilknyttet til en tidligere replikeringsopgave, op til hvilke data af skrivedataanmodninger, der er modtaget af den første lagerenhed, er blevet duplikeret til den anden lagerenhed; opnåelse af (S107), med processoren, fra cachen af gamle data af skrivedataanmodninger, som er lagret i cachen, som modtages efter den tidligere replikeringsopgave, der svarer til det andet antal; og afsendelse (S108), med processoren, af de nye data og de gamle data til en anden lagerenhed.
2. Fremgangsmåde ifølge krav 1, hvor hver af skrivedataanmodningerne yderligere indbefatter en adresse, og fremgangsmåden yderligere omfatter: afsendelse (S108), med processoren, af adressen til den anden lagerenhed til at instruere den anden lagerenhed til at lagre de nye data og de gamle data til en lagerplads for adressen.
3. Lagerenhed til at sikkerhedskopiere data til en anden lagerenhed, der omfatter: et læse- og skrivemodul (502), der er konfigureret til at opnå nye data, der er indbefattet i en flerhed af skrivedataanmodninger i overensstemmelse med et første antal fra en cache for lagerenheden, hvor det første antal svarer til en aktuel replikeringsopgave, hvor hver af skrivedataanmodningerne er vedhæftet til det første antal; at identificere et andet antal, hvor det andet antal er tilknyttet til en tidligere replikeringsopgave, op til hvilke data af skrivedataanmodninger, der er modtaget af den første lagerenhed, er blevet duplikeret til den anden lagerenhed; og at opnå fra cachen af gamle data af skrivedataanmodninger, som er lagret i cachen, der modtages efter den tidligere replikeringsopgave, der svarer til det andet antal; og et sendemodul (504) , der er konfigureret til at sende de nye data og de gamle data til en anden lagerenhed.
4. Lagerenhed ifølge krav 3, hvor hver af skrivedataanmodningerne yderligere indbefatter en adresse, og hvor afsendelsesmodulet (504) yderligere er konfigureret til at sende adressen til den anden lagerenhed for at instruere den anden lagerenhed til at lagre de nye data og de gamle data til en lagerplads for adressen.
DK16177686.9T 2013-07-26 2013-11-15 Fremgangsmåde til at sende data, fremgangsmåde til at modtage data og lagerenhed DK3179359T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CN2013/080203 WO2015010327A1 (zh) 2013-07-26 2013-07-26 数据发送方法、数据接收方法和存储设备
EP13878530.8A EP2849048B1 (en) 2013-07-26 2013-11-15 Data sending method, data receiving method and storage device

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DK3179359T3 true DK3179359T3 (da) 2018-06-14

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US (2) US9311191B2 (da)
EP (2) EP3179359B1 (da)
JP (2) JP6344798B2 (da)
KR (1) KR101602312B1 (da)
CN (1) CN103649901A (da)
AU (2) AU2013385792B2 (da)
CA (1) CA2868247C (da)
DK (1) DK3179359T3 (da)
ES (2) ES2610784T3 (da)
HU (1) HUE037094T2 (da)
NO (1) NO3179359T3 (da)
RU (1) RU2596585C2 (da)
WO (2) WO2015010327A1 (da)

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