Techniques for non-disruptive upgrade
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United States of America Patent
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May 7, 2013
Grant Date -
N/A
app pub date -
Sep 30, 2010
filing date -
Mar 31, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Described are techniques for upgrading a driver. A driver is installed which includes an upgrade facility, a base driver and a first set of one or more driver extension modules for processing input/output operations for one or more devices. Processing is performed to upgrade the driver using the upgrade facility. The processing includes loading one or more upgrade modules associated with a second version of said driver and performing cutover processing for each of the one or more devices.
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