Performance of binary bulk IO operations on virtual disks by interleaving
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United States of America Patent
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Issued Date -
Jan 14, 2010
app pub date -
Jul 11, 2008
filing date -
Jul 11, 2008
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Abandoned
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Abstract
A method and system are provided for executing a binary bulk input/output (IO) operation on a first virtual disk and a second virtual using interleaving. The performance improvement due to the method is expected to increase as more information about the configuration of the virtual disks and their implementation are taken into account. Aspects of a binary bulk IO operation, which distinguish it from a unary bulk IO operation, are collection of information regarding both virtual disks and consideration of performance factors on both virtual disks, individually and jointly. Performance factors considered may include contention among tasks implementing the parallel process, load on the storage system(s) from other processes, performance characteristics of components of the storage system(s), and the virtualization relationships (e.g., mirroring, striping, and concatenation) among physical and virtual storage devices within the virtual configuration.
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