Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2003-08-19
2008-09-23
Thai, Tuan V. (Department: 2186)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S200000, C711S209000, C713S152000
Reexamination Certificate
active
07428620
ABSTRACT:
A device, method, and system for switching library managers of a data library while maintaining data library storage devices online. A library manager accepts and executes data transaction commands for access to data residing on the storage devices of the data library. A transition manager module receives a directive to transition library management functions from a first library manager to a second library manager. The transition manager module stops the first library manager from accepting new data transaction commands while maintaining the storage devices online. The first library manager may execute previously accepted data transaction commands. The transition manager module suspends the library management functions of the first library manager and activates the library management functions of the second library manager. The storage devices of the data library may complete data transaction commands throughout the library manager transition.
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Fisher James Arthur
Lambert Anthony Andrew
Martinez Dennis Paul
Pringle Tom Owen
Sample Timothy Clyde
Kunzler & McKenzie
Thai Tuan V.
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