System recovery method for computer system having a standby system with a wait job operation capability

Claim 1

In a computer system wherein a plurality of processors are disposed, a plurality of jobs which have a system organization differing from one another respectively perform similar processes, and organization information items which are referred to by respective ones of the plurality of jobs and which express a system organization for the processes performed by the jobs are provided, a system recovery method comprising the steps of: providing a wait job which is executed by one of said plurality of processors and which waits in an executable state, and wait-job organization information which is referred to by said wait job and which is a logical sum of said organization information items referred to by said respective ones of the plurality of jobs; responding to detection of a failure of one of said plurality of jobs to retain as valid only the organization information items which are expressive of system architecture of the detected failed job within said wait-job organization information, the failure preventing the detected failed job from performing a process which was to be performed by the detected failed job; and causing said wait job to perform the process which was to be performed by the detected failed job.