Method for handling a device failure

Details Method for handling a device failure Method for handling a device failure

2004-11-12

2009-02-03

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07487403

ABSTRACT:
Provided is a method for handling a fabric failure. A module intercepts a signal indicating a failure of a path in a fabric providing a connection to a shared device. The module generates an interrupt to a device driver in an operating system providing an interface to the shared device that is inaccessible due to the path failure. The device driver requests information from the module on a status of a plurality of devices that are not accessible due to the path failure and receives information indicating the inaccessible device. The device driver reconfigures to discontinue use of the inaccessible device.

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US Patent Application, filed Nov. 12, 2004, entitled “Configuring Shared Devices Over a Fabric”, invented by T. R. Block, Y. Hsu, J. N. McCauley, S. P. Riley, W. G. Sherman, & C. Song.

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