System and method for dynamic LUN mapping
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United States of America Patent
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Issued Date -
Oct 20, 2005
app pub date -
Jun 20, 2005
filing date -
Nov 26, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for dynamic logical unit (LUN) mapping includes a host and an off-host virtualizer. The off-host virtualizer may be configured to present a virtual storage device that includes one or more regions that are initially unmapped to virtual storage, and to make the virtual storage device accessible to the host. The host may include a storage software stack including a first layer configured to detect and access the virtual storage device as if the virtual storage device were mapped to physical storage. Subsequently, the off-host virtualizer may be configured to dynamically map physical storage and/or logical volumes to the virtual storage device.
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