ocr: Checks: Machine (RS/6000) OS S(AIXO DBMS (SOL Server) Production Backup Pro Development Application Gateway (MDD Comm Links Databases Up OS Schedule facilities every 10 (crontab) minutes: Application Up Job Scheduler FIGURE 1 The systems avallability-monitoring program verifies that the soft- ware programs are up and running. If not, it restarts them. It also cross-checks other machines by running the same systems availability routines remotely. If any of the remote software systems are unavailable, the monitor restarts them too,