Method and apparatus for detecting and removing orphaned primitives in a fibre channel network
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United States of America Patent
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Nov 18, 2008
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N/A
app pub date -
Jul 12, 2004
filing date -
Jul 16, 2003
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Abstract
A method and system for detecting orphaned CLS primitives in a fibre channel network having a fibre channel switch element coupled to an arbitrated loop is provided. The method includes, sending an OPN primitive to a switch element port's own AL_PA to open a connection with itself; and determining if a CLS primitive is received within a loop a latency period. If a CLS primitive is received within the latency period then the CLS primitive is classified as an orphan and the orphaned CLS primitive is removed by the switch element by enabling a firmware based removal feature. The switch element includes a port that arbitrates for the arbitrated loop ownership and sends an OPN primitive to its own AL_PA.
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