Search400.com expert Ken Graap offers up this messaging chart. With this cheat sheet iSeries messages seem so...
Example: DSPLOG PERIOD((*AVAIL 051204)) MSGID(CPF0995)
CPF0907 Serious Storage CPI0C04 IPL Start CPF0934 IPL Complete CPF0968 Restrictive State CPF1103 SBS Started CPF0995 SBS Ending CPI1161 Disk Failure / raid CPIAD08 Server signon CPF1806 Chg system value CPI1400 ASP BAL/Reorg CPF3145 Access Path rebuild
About the author: Kenneth Graap is a senior AS/400e system administrator at Northwest Natural Gas in Portland, Ore. He has extensive experience in all aspects of iSeries systems management. That includes proactive performance tuning, system software upgrades and maintenance, hardware upgrade planning, backup/recovery procedures and security.