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Ordered kernel queue for multipathing events

  • US 8,904,063 B1
  • Filed: 04/29/2013
  • Issued: 12/02/2014
  • Est. Priority Date: 12/30/2011
  • Status: Active Grant
First Claim
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1. A method of managing events pertaining to input/output (I/O) activities in a computing system coupled to a storage array through multiple paths, the method comprising:

  • storing multiple first events within a multipathing driver running within a kernel of the computing system, the first events originating from within the multipathing driver;

    storing multiple second events within the multipathing driver, the second events originating from a set of software constructs running outside the kernel of the computing system; and

    accessing at least some of the first and second events from the multipathing driver by at least one of the set of software constructs running outside the kernel,wherein the multipathing driver includes an event queue for storing the first events and the second events within the kernel.

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