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Paper Abstract and Keywords
Presentation 2016-05-10 11:10
Analysis of storage workloads of input-output access locality and designing of hybrid storage system
Kazuichi Oe (FUJITSU LABO.), Takeshi Nanri, Koji Okamura (Kyushu Univ.) CPSY2016-9 DC2016-9
Abstract (in Japanese) (See Japanese page) 
(in English) Hybrid storage systems consisting of SSDs and HDDs improve the performance of input-output
(IO) access by migrating IO concentrations from HDDs to SSDs. Therefore, it is important for the
system to identify such concentrations and to immediately migrate them to SSDs. This study analyzes
the IO access logs of shared filesystems, the Microsoft (MS) Exchange Server, and the Virtual Desktop
Infrastructure (VDI) from the viewpoint of access locality. This study illustrates common features of the
IO access locality of the portions of storage volume and elapsed time. Moreover, we examine the selection
of a hybrid storage system for these features. We have determined that on-the-fly automated storage tiering
is suitable for both shared filesystems and the MS Exchange Server and caching is suitable for VDI.
Keyword (in Japanese) (See Japanese page) 
(in English) storage workload / Analysis / hybrid storage system / SSD / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 19, CPSY2016-9, pp. 65-70, May 2016.
Paper # CPSY2016-9 
Date of Issue 2016-05-02 (CPSY, DC) 
ISSN Print edition: ISSN 0913-5685    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 CPSY2016-9 DC2016-9

Conference Information
Committee CPSY DC IPSJ-ARC  
Conference Date 2016-05-09 - 2016-05-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Unaduki Suginoi Hotel 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Dependable Computing Systems, etc. (HotSPA: Hot SPring Annual meeting) 
Paper Information
Registration To CPSY 
Conference Code 2016-05-CPSY-DC-ARC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of storage workloads of input-output access locality and designing of hybrid storage system 
Sub Title (in English)  
Keyword(1) storage workload  
Keyword(2) Analysis  
Keyword(3) hybrid storage system  
Keyword(4) SSD  
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1st Author's Name Kazuichi Oe  
1st Author's Affiliation FUJITSU LABORATORIES LTD. (FUJITSU LABO.)
2nd Author's Name Takeshi Nanri  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Koji Okamura  
3rd Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker Author-1 
Date Time 2016-05-10 11:10:00 
Presentation Time 30 minutes 
Registration for CPSY 
Paper # CPSY2016-9, DC2016-9 
Volume (vol) vol.116 
Number (no) no.19(CPSY), no.20(DC) 
Page pp.65-70 
#Pages 6 
Date of Issue 2016-05-02 (CPSY, DC) 

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