Method and apparatus for distributed control of a shared storage volume
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United States of America Patent
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-
Dec 7, 1999
Grant Date -
N/A
app pub date -
Aug 1, 1997
filing date -
Aug 2, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A distributed volume management system is disclosed in which clients on a network share responsibility for the coherency of a data storage volume. The system includes: a control table which includes availability indicia for indicating whether the control table is available and identification indicia for indicating ownership of the data storage volume. The system also includes control processes each executed on a client. The control processes request and acquire exclusive ownership of the control table to provide to the clients exclusive write access to the data storage volume.
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