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Paper Abstract and Keywords
Presentation 2023-08-03 09:00
Proposal of Data Protection Features using Peak Shift Method of Drive Failure Risk
Takaki Nakamura (Tohoku Univ.), Hitoshi Kamei (Kagawa Univ.) CPSY2023-8 DC2023-8
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a peak shift method for data protection that considers time-series changes in drive failure risk and the risk differences among drive models. The proposed method creates data protection groups of drives with different operation periods or different models so that the predicted peaks of failure risks are not concentrated at the same time. This reduces the probability of multiple drive failures occurring at the same time, thereby reducing the probability of data loss. We formulated a evaluation model for the probability of data loss under conditions where the failure risk is different for each drive and varies over time. Based on the formulated evaluation model, we evaluated the data loss probability of a data protection group with the conventional configuration method and a data protection group with the proposed method. The proposed method shows the possibility of reducing the probability of data loss by more than two orders of magnitude by combining drives with different operating periods of about 600 days.
Keyword (in Japanese) (See Japanese page) 
(in English) Failure Risk / Weibull Distribution / Data Protection / Drive Failure / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 146, DC2023-8, pp. 1-6, Aug. 2023.
Paper # DC2023-8 
Date of Issue 2023-07-26 (CPSY, DC) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF CPSY2023-8 DC2023-8

Conference Information
Committee CPSY DC IPSJ-ARC  
Conference Date 2023-08-02 - 2023-08-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Hakodate Arena 
Topics (in Japanese) (See Japanese page) 
Topics (in English) SWoPP2023: Parallel, Distributed and Cooperative Processing Systems and Dependable Computing 
Paper Information
Registration To DC 
Conference Code 2023-08-CPSY-DC-ARC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal of Data Protection Features using Peak Shift Method of Drive Failure Risk 
Sub Title (in English)  
Keyword(1) Failure Risk  
Keyword(2) Weibull Distribution  
Keyword(3) Data Protection  
Keyword(4) Drive Failure  
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1st Author's Name Takaki Nakamura  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Hitoshi Kamei  
2nd Author's Affiliation Kagawa University (Kagawa Univ.)
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Speaker Author-1 
Date Time 2023-08-03 09:00:00 
Presentation Time 25 minutes 
Registration for DC 
Paper # CPSY2023-8, DC2023-8 
Volume (vol) vol.123 
Number (no) no.145(CPSY), no.146(DC) 
Page pp.1-6 
#Pages 6 
Date of Issue 2023-07-26 (CPSY, DC) 

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