Systems and methods for I/O processing using out-of-band hinting to block driver or storage controller
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United States of America Patent
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Jun 28, 2016
Grant Date -
Nov 12, 2015
app pub date -
May 9, 2014
filing date -
May 9, 2014
priority date (Note) -
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Abstract
A storage subsystem can achieve more efficient I/O processing by enabling users to specify and pass out of band I/O hints comprising an object to be hinted, a hint type, and caching strategies associated with a hint type. A hinted object may be either a virtual device or a file. In addition to priority cache, hint types may include never-cache, sticky-cache, and volatile-cache. Hints may be passed via command-line or graphical-user interfaces.
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