[특허]Stored data reverification management system and method

Stored data reverification management system and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-012/00 G06F-017/30 G06F-011/14
출원번호	US-0615138 (2012-09-13)
등록번호	US-9020990 (2015-04-28)
발명자 / 주소	Brockway, Brian Gokhale, Parag Lu, Jun
출원인 / 주소	CommVault Systems, Inc.
대리인 / 주소	Knobbe, Martens, Olson & Bear, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 160

초록 ▼

A system and method are provided for verifying data copies and reverifying the copies over the life span of media according to a verification policy. Characteristics of media and use of media are tracked to provide metrics which may be used to dynamically reevaluate and reassign verification policies to optimize media usage. Copies that fail verification operations may be repaired by repeating a storage operation for recent copies or by substituting a close temporal copy of the failed copy.

대표청구항 ▼

1. A system for verifying data in a data storage environment, the system comprising: a volume of data comprising a group of files, wherein the volume of data is stored in first storage media; anda storage manager comprising computer hardware, the storage manager configured to:generate a copy of the volume of data and store the copy in at least second storage media;generate a first set of metadata associated with the volume of data stored in the first storage device and store the first set of metadata in a first index, the first index accessible by the storage manager;generate a second set of metadata associated with the copy and store the second set of metadata in a second index stored separately from the volume of data the second index stored accessible by the storage manager;perform, based on a predetermined verification policy time period, a copy verification that the copy of the volume of data on the second storage media is an accurate copy of the volume of data on the first storage media by comparing the first set of metadata stored separately from the volume of data and the second set of metadata stored separately from the volume of data;verifying the second storage media based at least in part on information associated with the copy verification; andon determining that a life span of the second storage media outlives an associated life expectancy, identifying characteristics of the second storage media that are indicative of the predetermined verification policy time period being too short;modifying a future verification time period for at least third storage media that shares the identifying characteristics of the second storage media to extend the usage of the third storage media. 2. The system of claim 1, wherein the storage manager is further configured to determine a verification schedule that indicates the future verification time period, wherein the storage manager is configured to compare the first and second sets of metadata according to the verification schedule. 3. The system of claim 2, wherein the verification schedule is based at least partially on a data type of the copy. 4. The system of claim 1, wherein the storage manager is configured to repair the copy of the volume of data on determining that the first and second sets of metadata are not substantially equivalent. 5. The system of claim 1, wherein the storage manager is further configured to update a verification table to indicate whether the first and second sets of metadata are substantially equivalent. 6. The system of claim 1, wherein the storage manager is further configured to access a usage history of the second storage media, wherein the usage history comprises at least a number of storage operations performed on the second storage media. 7. The system of claim 6 wherein the usage history comprises an average amount of data per storage operation written on the second storage media. 8. The system of claim 1, wherein on determining that the first and second sets of metadata are not substantially equivalent, the storage manager is further configured to: identify at least one storage characteristic of the second storage media;identify at least one other storage media sharing the at least one storage characteristic; andstore the copy of the volume data in the other storage media. 9. A method for verifying copied data, the method comprising: generating with a storage manager comprising computer hardware, a copy of a volume of data stored in a at least first storage media;storing the copy in at least a second storage media;generating a first set of metadata associated with the volume of data stored in the first storage media;storing the first set of metadata in a first index, the first index accessible by the storage manager;generating a second set of metadata associated with the copy;storing the second set of metadata in a second index, the second index stored accessible by the storage manager;with storage manager, performing, based on a predetermined verification policy time period, a copy verification that the copy of the volume of data on the second storage media is an accurate copy of the volume of data on the first storage media by comparing the first set of metadata and the second set of metadata;verifying the second storage media based at least in part on information associated with the copy verification;on determining that a life span of the second storage media outlives an associated life expectancy, identifying characteristics of the second storage media that are indicative of the predetermined verification policy time period being too short; andmodifying a future verification time period for at least third storage media that shares the identifying characteristics of the second storage media to extend the usage of the third storage media. 10. The method of claim 9, further comprising determining a verification schedule, wherein the comparing the first and second sets of metadata is performed according to the verification schedule. 11. The method of claim 10, wherein the verification schedule is based at least partially on a data type of the copy. 12. The method of claim 9, further comprising repairing the copy of the volume of data on determining that the first and second sets of metadata are not substantially equivalent. 13. The method of claim 9, further comprising updating a verification table to indicate whether the first and second sets of metadata are substantially equivalent. 14. The method of claim 9, further comprising accessing a usage history of the second storage media, wherein the usage history comprises at least a number of storage operations performed on the second storage media. 15. The method of claim 14, wherein the usage history comprises an average amount of data per storage operation written on the second storage media. 16. The method of claim 9, wherein on determining that the first and second sets of metadata are not substantially equivalent, the method further comprises: identifying at least one storage characteristic of the second data storage device;identifying at least one other storage media sharing the at least one storage characteristic; andstoring the copy of the volume data in the other storage media.

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상세보기
Kottomtharayil,Rajiv; Gokhale,Parag; Prahlad,Anand; Vijayan Retnamma,Manoj Kumar; Ngo,David; Devassy,Varghese, System and method for performing storage operations in a computer network.
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Larry R. Tate ; Mark Thierbach, System and method for performing table look-ups using a multiple data fetch architecture.
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Ebrahim Zahir, System and method for preserving message order while employing both programmed I/O and DMA operations.
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Morris Robert J. T., System and method for reducing storage requirement in backup subsystems utilizing segmented compression and differencing.
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Lu,Jun; Amarendran,Arun, System and method for stored data archive verification.
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Midgdey Christopher W. (Ypsilanti MI) Hunsche Richard S. (Ann Arbor MI) Weaver Mark L. (Ann Arbor MI), System and method for storing and retrieving files for archival purposes.
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Near Scott ; Alai Safa, System and method for streaming multimedia data.
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Fox David L., System and method for verifying integrity of replicated databases.
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Vijayan Retnamma, Manoj Kumar; Chen, Ho Chi; Ilkal, Zahid; Kottomtharayil, Rajiv, System and method to support simulated storage operations.
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Huai ReiJane (Old Brookville NY) Daly Robert (Ronkonkoma NY) Curti Walter (Dix Hills NY) Mohan Deepak (Huntington NY) Chueh James Kuang-Ru (Bayside NY) Louie Larry (Forest Hills NY), System and parallel streaming and data stripping to back-up a network.
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Stoppani ; Jr. Peter (Woodinville WA), System for allocating storage spaces based upon required and optional service attributes having assigned piorities.
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Whiting Douglas L. ; Dilatush Tom, System for backing up files from disk volumes on multiple nodes of a computer network.
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Tran Nghia ; Li Ying Xuan ; Balicki Janusz ; Costello John, System for coupling programmable logic device to external circuitry which selects a logic standard and uses buffers to m.
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Tamer, Philip E.; Hoffman, Jane E., System for determining mapping of logical objects in a computer system.
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Sidwell Leland P., System for modifying JCL parameters to optimize data storage allocations.
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Flynn Rex A. (Belmont MA) Anick Peter G. (Marlboro MA), System for reconstructing prior versions of indexes using records indicating changes between successive versions of the.
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Masters Daniel R. (San Diego CA), System for storing data in backup tape device.
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Anglin Matthew Joseph, System including a proxy client to backup files in a distributed computing environment.
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Saether Christian D. (Seattle WA) Stoppani ; Jr. Peter (Woodinville WA), System of device independent file directories using a tag between the directories and file descriptors that migrate with.
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Midgley, Christopher; Webb, John; Hess, Ted; Acott, John; Hansen, Tom; Wilson, Brian, Systems and methods for backing up data files.
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Prahlad, Anand; Schwartz, Jeremy, Systems and methods for performing storage operations using network attached storage.
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Gokhale,Parag; Lu,Jun; Lu,Yanhui; Wang,Yu; Kottomtharayil,Rajiv, Systems and methods for recovering electronic information from a storage medium.
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Kottomtharayil,Rajiv; Gokhale,Parag; Prahlad,Anand; Retnamma,Manoj Kumar Vijayan; Ngo,David; Devassy,Varghese, Systems and methods for sharing media in a computer network.
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Lu, Jun; Amarendran, Arun, Systems and methods for stored data verification.
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Carteau Daniel, Three interconnected raid disk controller data processing system architecture.
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Pfeffer Erwin,DEX ; Getzlaff Klaus-Joerg,DEX ; Gaertner Ute,DEX ; Tast Hans-Werner,DEX, Token-based serialisation of instructions in a multiprocessor system.
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Steven M. Blumenau ; Yoav Raz, Virtual ports for data transferring of a data storage system.
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See Deborah ; Martin Rina, Virtual small block file manager for flash memory array.
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Dunham Scott R., Virtual storage and block level direct access of secondary storage for recovery of backup data.
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Yasukawa Masaaki (Suwa JPX), Zone miss recovery system for disk drives using a modified constant angular velocity (MCAV) method of data recording.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Stored data reverification management system and method 원문보기

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연합인증

Stored data reverification management system and method 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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