(Chapter 1. Computer room environment and physical inspection 1. Environmental requirements in the computer room 2. Power requirements 3. Hardware inspection Chapter 2. System routine maintenance process 2.1 System startup 2.2 System shutdown 2.3 Check system error records 2.4 System and data backup 2.5 System Recovery 2.6 DUMP2.7 Items for daily checking of server status and related commands 2.8 Performance monitoring and tuning 102.9 Security office rules 112.10 Maintenance telephone 11 Chapter 3, fault location and troubleshooting 3.1 Hardware faults 3.2 Magnetic array faults 3.3 Network faults 3.4 OS Failure 3.2 HA failure 3.2 Other failures)