#> su oracle $> rman target sys/sys@lnkjgl RMAN> delete noprompt archivelog all; RMAN> crosscheck archivelog all; 竹立深山不为窘向兰生幽谷不为无人而不芳 菜根谭 alter database clear unarchived logfile group n; su oracle $ lsnrctl start $sqlplus /nolog SQL>Connection /as sysdba SQL>startup