ATE487185T1 - System und verfahren zur bestimmung und übertragung von änderungen in schnappschüssen - Google Patents

System und verfahren zur bestimmung und übertragung von änderungen in schnappschüssen

Info

Publication number
ATE487185T1
ATE487185T1 AT03251702T AT03251702T ATE487185T1 AT E487185 T1 ATE487185 T1 AT E487185T1 AT 03251702 T AT03251702 T AT 03251702T AT 03251702 T AT03251702 T AT 03251702T AT E487185 T1 ATE487185 T1 AT E487185T1
Authority
AT
Austria
Prior art keywords
snapshot
changes
destination
files
file system
Prior art date
Application number
AT03251702T
Other languages
English (en)
Inventor
Michael L Federwisch
Stephen L Manley
Shane S Owara
Steven R Kleiman
Original Assignee
Network Appliance Inc
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
Priority claimed from US10/100,967 external-priority patent/US6993539B2/en
Priority claimed from US10/100,950 external-priority patent/US7225204B2/en
Application filed by Network Appliance Inc filed Critical Network Appliance Inc
Application granted granted Critical
Publication of ATE487185T1 publication Critical patent/ATE487185T1/de

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
    • G06F11/16—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
    • G06F11/2053—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
    • G06F11/2066—Optimisation of the communication load
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/17—Details of further file system functions
    • G06F16/1734—Details of monitoring file system events, e.g. by the use of hooks, filter drivers, logs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/18—File system types
    • G06F16/182—Distributed file systems
    • G06F16/184—Distributed file systems implemented as replicated file system
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Computer And Data Communications (AREA)
AT03251702T 2002-03-19 2003-03-19 System und verfahren zur bestimmung und übertragung von änderungen in schnappschüssen ATE487185T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/100,967 US6993539B2 (en) 2002-03-19 2002-03-19 System and method for determining changes in two snapshots and for transmitting changes to destination snapshot
US10/100,950 US7225204B2 (en) 2002-03-19 2002-03-19 System and method for asynchronous mirroring of snapshots at a destination using a purgatory directory and inode mapping

Publications (1)

Publication Number Publication Date
ATE487185T1 true ATE487185T1 (de) 2010-11-15

Family

ID=27807254

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03251702T ATE487185T1 (de) 2002-03-19 2003-03-19 System und verfahren zur bestimmung und übertragung von änderungen in schnappschüssen

Country Status (4)

Country Link
EP (1) EP1349088B1 (de)
JP (1) JP4215542B2 (de)
AT (1) ATE487185T1 (de)
DE (1) DE60334752D1 (de)

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Also Published As

Publication number Publication date
EP1349088B1 (de) 2010-11-03
EP1349088A2 (de) 2003-10-01
JP4215542B2 (ja) 2009-01-28
DE60334752D1 (de) 2010-12-16
EP1349088A3 (de) 2005-04-20
JP2004038928A (ja) 2004-02-05

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