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WO2009019772A1 - Storage section control unit, data processor, storage section control system, and storage section control program - Google Patents

Storage section control unit, data processor, storage section control system, and storage section control program Download PDF

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Publication number
WO2009019772A1
WO2009019772A1 PCT/JP2007/065534 JP2007065534W WO2009019772A1 WO 2009019772 A1 WO2009019772 A1 WO 2009019772A1 JP 2007065534 W JP2007065534 W JP 2007065534W WO 2009019772 A1 WO2009019772 A1 WO 2009019772A1
Authority
WO
WIPO (PCT)
Prior art keywords
storage section
section control
processing
duplication
state
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.)
Ceased
Application number
PCT/JP2007/065534
Other languages
French (fr)
Japanese (ja)
Inventor
Naruhiro Oogai
Hirotomo Tokoro
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 PCT/JP2007/065534 priority Critical patent/WO2009019772A1/en
Publication of WO2009019772A1 publication Critical patent/WO2009019772A1/en
Anticipated expiration legal-status Critical
Ceased 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
    • G06F11/16—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
    • G06F11/2069—Management of state, configuration or failover
    • 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
    • G06F11/16—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Retry When Errors Occur (AREA)

Abstract

Even if a failure on storage sections occurs, a request for the processing of the storage sections is allowed to be immediately resumed while ensuring the duplication of the data between the storage sections. Thus, the data in a predetermined storage area of one storage section (11) is copied to another storage section (12) in response to the instruction from a data processor (2). A duplication control section (26) for maintaining the data in the predetermined storage area to be in the duplication state as a result of being copied thereto, if an acquisition section (25) acquires device failure information, changes the operational state of the duplication control section (26) to the suspension state in which the issuance of the processing request and the duplication processing by the data processor (2) are suspended. The duplication control section (26), if the recovery of the device related to the device failure information is completed, changes the operational state from the suspension state to a temporary disconnection state, that is, changes the operational state to the state in which the duplication processing is suspended while resuming the issuance of the processing request by the data processor (2) and managing the result of the processing in response to the processing request by a processing section (21).
PCT/JP2007/065534 2007-08-08 2007-08-08 Storage section control unit, data processor, storage section control system, and storage section control program Ceased WO2009019772A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/065534 WO2009019772A1 (en) 2007-08-08 2007-08-08 Storage section control unit, data processor, storage section control system, and storage section control program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/065534 WO2009019772A1 (en) 2007-08-08 2007-08-08 Storage section control unit, data processor, storage section control system, and storage section control program

Publications (1)

Publication Number Publication Date
WO2009019772A1 true WO2009019772A1 (en) 2009-02-12

Family

ID=40341020

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/065534 Ceased WO2009019772A1 (en) 2007-08-08 2007-08-08 Storage section control unit, data processor, storage section control system, and storage section control program

Country Status (1)

Country Link
WO (1) WO2009019772A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013210959A (en) * 2012-03-30 2013-10-10 Fujitsu Ltd Storage management method, system and program

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003076592A (en) * 2001-09-04 2003-03-14 Hitachi Ltd Data storage system
JP2006099495A (en) * 2004-09-30 2006-04-13 Hitachi Ltd Remote copy system and remote copy method
JP2006285336A (en) * 2005-03-31 2006-10-19 Nec Corp Storage, storage system, and control method thereof
JP2006293947A (en) * 2005-04-15 2006-10-26 Hitachi Ltd System that performs remote copy pair migration
JP2006293850A (en) * 2005-04-13 2006-10-26 Hitachi Ltd Remote copy system and remote copy method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003076592A (en) * 2001-09-04 2003-03-14 Hitachi Ltd Data storage system
JP2006099495A (en) * 2004-09-30 2006-04-13 Hitachi Ltd Remote copy system and remote copy method
JP2006285336A (en) * 2005-03-31 2006-10-19 Nec Corp Storage, storage system, and control method thereof
JP2006293850A (en) * 2005-04-13 2006-10-26 Hitachi Ltd Remote copy system and remote copy method
JP2006293947A (en) * 2005-04-15 2006-10-26 Hitachi Ltd System that performs remote copy pair migration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013210959A (en) * 2012-03-30 2013-10-10 Fujitsu Ltd Storage management method, system and program

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