DE69729011D1 - System und verfahren zum unterhalten eines logisch konsistenten backups unter verwednung von minimalen daten-transfer - Google Patents

System und verfahren zum unterhalten eines logisch konsistenten backups unter verwednung von minimalen daten-transfer

Info

Publication number
DE69729011D1
DE69729011D1 DE69729011T DE69729011T DE69729011D1 DE 69729011 D1 DE69729011 D1 DE 69729011D1 DE 69729011 T DE69729011 T DE 69729011T DE 69729011 T DE69729011 T DE 69729011T DE 69729011 D1 DE69729011 D1 DE 69729011D1
Authority
DE
Germany
Prior art keywords
data
digest
data block
mass storage
comparing
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 - Fee Related
Application number
DE69729011T
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English (en)
Other versions
DE69729011T2 (de
Inventor
Richard Ohran
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.)
EMC Corp
Original Assignee
Legato Systems 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25003859&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69729011(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Legato Systems Inc filed Critical Legato Systems Inc
Application granted granted Critical
Publication of DE69729011D1 publication Critical patent/DE69729011D1/de
Publication of DE69729011T2 publication Critical patent/DE69729011T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06F11/14—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
    • G06F11/1466—Management of the backup or restore process to make the backup process non-disruptive
    • 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
DE69729011T 1996-11-08 1997-11-07 System und verfahren zum unterhalten eines logisch konsistenten backups unter verwednung von minimalen daten-transfer Expired - Fee Related DE69729011T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/747,151 US5835953A (en) 1994-10-13 1996-11-08 Backup system that takes a snapshot of the locations in a mass storage device that has been identified for updating prior to updating
US747151 1996-11-08
PCT/US1997/020406 WO1998020419A1 (en) 1996-11-08 1997-11-07 System and method for maintaining a logically consistent backup using minimal data transfer

Publications (2)

Publication Number Publication Date
DE69729011D1 true DE69729011D1 (de) 2004-06-09
DE69729011T2 DE69729011T2 (de) 2005-07-14

Family

ID=25003859

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69729011T Expired - Fee Related DE69729011T2 (de) 1996-11-08 1997-11-07 System und verfahren zum unterhalten eines logisch konsistenten backups unter verwednung von minimalen daten-transfer

Country Status (7)

Country Link
US (3) US5835953A (de)
EP (1) EP1012716B1 (de)
AT (1) ATE266228T1 (de)
AU (1) AU726915B2 (de)
CA (1) CA2268929A1 (de)
DE (1) DE69729011T2 (de)
WO (1) WO1998020419A1 (de)

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US5835953A (en) 1998-11-10
EP1012716B1 (de) 2004-05-06
DE69729011T2 (de) 2005-07-14
AU5174098A (en) 1998-05-29
WO1998020419A1 (en) 1998-05-14
EP1012716A1 (de) 2000-06-28
ATE266228T1 (de) 2004-05-15
AU726915B2 (en) 2000-11-23
US6085298A (en) 2000-07-04
EP1012716A4 (de) 2001-08-16
US6073222A (en) 2000-06-06
CA2268929A1 (en) 1998-05-14

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