Distributing virtual input/output operations across multiple logical partitions
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United States of America Patent
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Sep 20, 2011
Grant Date -
Sep 24, 2009
app pub date -
Jun 4, 2009
filing date -
Aug 1, 2006
priority date (Note) -
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Abstract
The Distributed Virtual I/O Tool replaces dedicated VIO server LPARs by distributing the virtual I/O functions across several application LPARs connected by a high-speed communication channel. The physical I/O devices are distributed across available LPARs. The Distributed Virtual I/O Tool assigns each I/O request to an appropriate I/O device. The Distributed Virtual I/O Tool monitors each I/O request and reassigns I/O devices when performance drops on a specific device or when a device is no longer available.
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