Automatic error recovery in data processing systems

Details Automatic error recovery in data processing systems Automatic error recovery in data processing systems

1997-11-12

1999-11-02

Butler, Dennis M.

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

713 2, 395712, G06F 944

Patent

active

059789115

ABSTRACT:
An error recovery technique is provided which is used during the automatic installation of software on a client data processing system from a connected server data processing system. The installation process is made up of a plurality of operations executing on the client, for example format client disk drive, load DOS, load Windows etc. Monitoring the successful completion of each of these operations on the client is watchdog timer code which preferably takes the form of device driver software received from the server system early in the installation process. At the beginning of each operation, a preselected time value is written to a counter in the watchdog timer, this time value representing a time period which is greater than the time normally taken for the operation to complete. If the counter expires before the operation is complete (if for example the server system or network fails), the client invokes an error recovery procedure which may for example involve rebooting the client.

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United Kingdom Patent Office Search Report, Feb. 11, 1998.

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