Data processing: database and file management or data structures – Database and file access – Database access control methods
Reexamination Certificate
2010-03-03
2011-10-18
Mizrahi, Diane (Department: 2617)
Data processing: database and file management or data structures
Database and file access
Database access control methods
Reexamination Certificate
active
08041736
ABSTRACT:
A method and system manages ownership information about disks in a storage network without the need for an emulated, partner mode system. The method and system provides for ownership information, including a current owner and a home owner for resources, such as disks, to be stored on each disk in a storage system, as well as to be stored in memory on each storage system node in the network. A further aspect of the invention is a disk homeness application program interface (API), which provides commands that can be utilized by an administrator at a host computer to set, modify and disco play ownership information about each disk in the cluster. Upon a takeover, any node in the network can takeover one or more disks by reading the ownership information stored on the disks or in the tables.
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Coatney Susan M.
Strange Stephen H.
Watanabe Steven S.
Cesari and McKenna LLP
Mizrahi Diane
NetApp, Inc.
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