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A high-availability software update method for distributed storage systems.

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Title: A high-availability software update method for distributed storage systems.
Authors: Kobayashi, Dai1, Watanabe, Akitsugu1, Uehara, Toshihiro2, Yokota, Haruo
Source: Systems & Computers in Japan. 9/1/2006, Vol. 37 Issue 10, p35-46. 12p. 6 Diagrams, 1 Chart, 5 Graphs.
Subjects: Computer networks, Disk access (Computer science), Computer storage devices, Systems availability, Information storage & retrieval systems, Information resources management, Computer users
Abstract: In this paper, we propose a nonstop system upgrade method without significant performance degradation for data management software. To reduce disk accesses and network traffic, we construct logical nodes inside a physical node and migrate data between the symbiotic logical nodes. This logical migration is assisted by storage management functions that hide data location and migration from users. We also show the effectiveness of our method using experimental results on the system based on the Autonomous Disks we have proposed as a highly available storage system technology. © 2006 Wiley Periodicals, Inc. Syst Comp Jpn, 37(10): 35–46, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/scj.20503 [ABSTRACT FROM AUTHOR]
Copyright of Systems & Computers in Japan is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: A high-availability software update method for distributed storage systems.
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  Data: <searchLink fieldCode="AR" term="%22Kobayashi%2C+Dai%22">Kobayashi, Dai</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Watanabe%2C+Akitsugu%22">Watanabe, Akitsugu</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Uehara%2C+Toshihiro%22">Uehara, Toshihiro</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Yokota%2C+Haruo%22">Yokota, Haruo</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Systems+%26+Computers+in+Japan%22">Systems & Computers in Japan</searchLink>. 9/1/2006, Vol. 37 Issue 10, p35-46. 12p. 6 Diagrams, 1 Chart, 5 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Computer+networks%22">Computer networks</searchLink><br /><searchLink fieldCode="DE" term="%22Disk+access+%28Computer+science%29%22">Disk access (Computer science)</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+storage+devices%22">Computer storage devices</searchLink><br /><searchLink fieldCode="DE" term="%22Systems+availability%22">Systems availability</searchLink><br /><searchLink fieldCode="DE" term="%22Information+storage+%26+retrieval+systems%22">Information storage & retrieval systems</searchLink><br /><searchLink fieldCode="DE" term="%22Information+resources+management%22">Information resources management</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+users%22">Computer users</searchLink>
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  Data: In this paper, we propose a nonstop system upgrade method without significant performance degradation for data management software. To reduce disk accesses and network traffic, we construct logical nodes inside a physical node and migrate data between the symbiotic logical nodes. This logical migration is assisted by storage management functions that hide data location and migration from users. We also show the effectiveness of our method using experimental results on the system based on the Autonomous Disks we have proposed as a highly available storage system technology. © 2006 Wiley Periodicals, Inc. Syst Comp Jpn, 37(10): 35–46, 2006; Published online in Wiley InterScience (<URL>www.interscience.wiley.com</URL>). DOI 10.1002/scj.20503 [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Systems & Computers in Japan is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: 9/1/2006
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