Method and apparatus for accessing mirrored logical volumes
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United States of America Patent
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-
Apr 10, 2001
Grant Date -
N/A
app pub date -
Jun 13, 1997
filing date -
Jun 13, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system and method for managing mirrored logical volumes are provided wherein a user designates one mirror of a given logical volume, having a first entry point, as the backup mirror, with a different entry point, for that logical volume; and thereafter, upon user issuance of an I/O command, appropriately valid mirror(s) are selected to be read from or written to as a function of which of the two entry points to the same data is specified.
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