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AssigneeInternational Business Machines Corporation
InventorJulie Levell Craft
Estimating the term…
The current operating system on the primary computer system continues to run, i.e. the computer system on which the operating system is to be changed. A second computer or surrogate computer system with the new operating system to eventually be installed in said first computer system to replace the current operating system. The root volume group of stored data from said first or primary computer system is copied to a computer readable/writable medium external to this first computer system and this root volume group is installed from the computer readable/writable medium into the surrogate or second computer system. This second computer system is run with said root volume group of data to thereby update said root volume group. Now, the upgraded root volume group, including the new operating system, is copied back from the surrogate computer system and reinstalled into said first computer system.
A method for changing the operating system in a computer operation without any substantial interruption in the computer operation comprising:
A system for changing the operating system in a computer operation without any substantial interruption in the computer operation comprising:
A computer program having code recorded on a computer readable medium for changing the operating system in a computer operation without any substantial interruption in the computer operation comprising:
Dependencies are inferred from the claim text.