Method for out of user space I/O with server authentication
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United States of America Patent
Stats
-
Mar 3, 2009
Grant Date -
Mar 1, 2007
app pub date -
Aug 31, 2005
filing date -
Aug 31, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method that enables user space middleware or applications to pass I/O storage requests directly to a network attached storage device via a storage server that performs authentication is provided. A mechanism is provided for using a translation protection table (TPT) data structure, which may include a file name protection table (FNPT) and file extension protection table (FEPT), or logical volume protection table (LVPT), to control user space and out of user space Input/Output (I/O) operations. The storage server performs authentication of an application instance's request to open an operating system logical volume and, upon being authenticated, permits the application instance to submit I/O storage requests via the TPT to the opened OS logical volume. I/O storage requests are translated into storage commands using the TPT and the storage commands are encapsulated for transmission via one or more networks to the storage server.
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