Preparing and preserving a system configuration during a hot upgrade
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United States of America Patent
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Apr 30, 2013
Grant Date -
Sep 20, 2012
app pub date -
Jun 4, 2012
filing date -
Oct 13, 2010
priority date (Note) -
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Abstract
A planned system configuration is stored to a volatile memory coupled to a processor executing a first operating system kernel. The planned system configuration is tagged. A boot of a second operating system kernel is initiated while preserving in the volatile memory contents stored therein, and following the boot of the second operating system kernel, a set of parameters referencing the tagged planned system configuration is retrieved from the volatile memory. The planned system configuration is then used, based on the retrieved set of parameters.
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