File server, information system, and control method thereof
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United States of America Patent
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Nov 7, 2017
Issued Date -
N/A
app pub date -
Dec 17, 2012
filing date -
Dec 17, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A file server is coupled to a plurality of user terminals and a remote file server. The file server, stores, in a storage device, data of files received from the plurality of user terminals, replicates the files to the remote file server, stubs the files stored in storage, and, upon receiving an access request from the user terminal, reads out data of the file from storage and transmits the data to the user terminal if a file related to the access request is not stubbed. If a file related to the access request is stubbed, the file server recalls data of the file from the remote file server and transmits data of the file to the user terminal. The file server replicates, to the remote file server, data of a user who performs a session disconnection request to the file server within a certain time in preference to another user.
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