I/O device switching method

Details I/O device switching method I/O device switching method

2007-09-20

2010-10-05

Lohn, Joshua A (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S043000, C714S044000

Reexamination Certificate

active

07809977

ABSTRACT:
An I/O device management table that manages the types of I/O devices connected to an I/O switch is provided, and one or plural unallocated I/O devices are defined and registered as standby I/O devices. When a failure occurs in any of I/O devices, the I/O device management table is used to select an I/O device of the same type as the failed I/O device from the standby I/O devices, and the selected I/O device is allocated to a computer to which the failed I/O device is connected. I/O device management can be eased at failure in a computer including an I/O switch device.

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patent: 2005-301488 (2005-10-01), None

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