Atsushi Ebata
Hitachi
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Featured researches published by Atsushi Ebata.
ieee conference on mass storage systems and technologies | 2003
Yoshiko Yasuda; S. Kawarnoto; Atsushi Ebata; Jun Okitsu; Tatsuo Higuchi
X-NAS (expandable network attached storage), a highly scalable, distributed file system designed for entry-level NAS, has been developed. It virtualizes multiple NAS systems into a single-file-system view for different kinds of clients. The core of X-NAS is a multi-protocol virtualized file system (MVFS), and its key features - a smart-code wrapper daemon, file-group mapping, and a file-handle cache - improve X-NAS scalability. X-NAS has other key features for improving the manageability on many NAS systems; namely, on-line reconfiguration, autonomous rebalancing, and automatic migration, in which files are migrated automatically and dynamically independently of file-sharing services for clients. To validate the X-NAS concept, an X-NAS prototype was designed and tested according to the NFSv2 implementation. These tests indicate that X-NAS attains a quicker response time and higher throughput than a conventional single NAS, so its cost-performance scalability is also higher.
Archive | 2003
Yoshiko Yasuda; Tatsuo Higuchi; Shinichi Kawamoto; Atsushi Ebata; Jun Okitsu
Archive | 2003
Jun Okitsu; Shinichi Kawamoto; Atsushi Ebata; Yoshiko Yasuda; Tatsuo Higuchi
Archive | 2006
Atsushi Ebata; Shinichi Kawamoto; Jun Okitsu; Yoshiko Yasuda
Archive | 2004
Yoshiko Yasuda; Shinichi Kawamoto; Atsushi Ebata; Jun Okitsu
Archive | 2006
Atsushi Ebata; Atsushi Sutoh
Archive | 2002
Atsushi Ebata; Tatsuo Higuchi; Shinichi Kawamoto; Jun Okitsu; Yoshiko Yasuda; 保田 淑子; 川本 真一; 樋口 達雄; 江端 淳; 沖津 潤
Archive | 2008
Atsushi Ebata
Archive | 2008
Atsushi Ebata
Archive | 2002
Atsushi Ebata; Tatsuo Higuchi; Shinichi Kawamoto; Jun Okitsu; Yoshiko Yasuda; 淑子 保田; 真一 川本; 達雄 樋口; 淳 江端; 潤 沖津
