AT487185T - System and Method for the determination and transmission of changes in snapshots - Google Patents

System and Method for the determination and transmission of changes in snapshots

Info

Publication number
AT487185T
AT487185T AT03251702T AT03251702T AT487185T AT 487185 T AT487185 T AT 487185T AT 03251702 T AT03251702 T AT 03251702T AT 03251702 T AT03251702 T AT 03251702T AT 487185 T AT487185 T AT 487185T
Authority
AT
Austria
Prior art keywords
snapshots
determination
transmission
changes
system
Prior art date
Application number
AT03251702T
Other languages
German (de)
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 to US10/100,967 priority Critical patent/US6993539B2/en
Priority to US10/100,950 priority patent/US7225204B2/en
Application filed by Network Appliance Inc filed Critical Network Appliance Inc
Publication of AT487185T publication Critical patent/AT487185T/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error 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
    • G06F11/2053Error 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
    • G06F11/2056Error 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
    • G06F11/2071Error 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
    • G06F11/2074Asynchronous techniques
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error 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
    • G06F11/2053Error 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
    • G06F11/2056Error 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
    • G06F11/2066Optimisation of the communication load
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/17Details of further file system functions
    • G06F16/1734Details of monitoring file system events, e.g. by the use of hooks, filter drivers, logs
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/18File system types
    • G06F16/182Distributed file systems
    • G06F16/184Distributed file systems implemented as replicated file system
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1402Saving, restoring, recovering or retrying
    • G06F11/1446Point-in-time backing up or restoration of persistent data
    • G06F11/1448Management of the data involved in backup or backup restore
    • G06F11/1451Management of the data involved in backup or backup restore by selection of backup contents
AT03251702T 2002-03-19 2003-03-19 System and Method for the determination and transmission of changes in snapshots AT487185T (en)

Priority Applications (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
AT487185T true AT487185T (en) 2010-11-15

Family

ID=27807254

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03251702T AT487185T (en) 2002-03-19 2003-03-19 System and Method for the determination and transmission of changes in snapshots

Country Status (4)

Country Link
EP (1) EP1349088B1 (en)
JP (1) JP4215542B2 (en)
AT (1) AT487185T (en)
DE (1) DE60334752D1 (en)

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Also Published As

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

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