Presentation 2012/3/8
Attempt to reduce startup time by improving the read cache mechanism of netboot environment
NAOKI HATTA, SHIN MARUYAMA, MASAYOSHI MATSUKAWA, KOUJI NISHIMURA, REIJI AIBARA,
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Abstract(in English) Recently, read cache system for network booting system is used widely to reduce the load of the boot server. The read cache system caches parts of the virtual disk on server into the clients' local hard disk, and it stabilizes the start-up time of clients even when a large number of them start booting all at once. However, the performance of hard disk is poor for random access in general, and start-up time using read cache system is extended as compared to that without cache system. In this study, we improved the structure of the cache in clients' local hard disk so that the access pattern during startup becomes sequential access, and reduced the startup time. We also added prefetch mechanism to the system and confirmed that the startup time can be shortened more.
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Paper # Vol.2012-IOT-16 No.14
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Conference Date 2012/3/8(1days)
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Language JPN
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Title (in English) Attempt to reduce startup time by improving the read cache mechanism of netboot environment
Sub Title (in English)
Keyword(1)
1st Author's Name NAOKI HATTA
1st Author's Affiliation CO-CONV. Corp()
2nd Author's Name SHIN MARUYAMA
2nd Author's Affiliation CO-CONV. Corp
3rd Author's Name MASAYOSHI MATSUKAWA
3rd Author's Affiliation Information Media Center, Hiroshima University
4th Author's Name KOUJI NISHIMURA
4th Author's Affiliation Information Media Center, Hiroshima University
5th Author's Name REIJI AIBARA
5th Author's Affiliation Information Media Center, Hiroshima University
Date 2012/3/8
Paper # Vol.2012-IOT-16 No.14
Volume (vol) vol.111
Number (no) 485
Page pp.pp.-
#Pages 6
Date of Issue