歸檔模式
SYS@orcl> archive log list
Database log mode Archive Mode
Automatic archival Enabled
Archive destination /u01/app/oracle/product/11.2.0/dbhome_1/dbs/arch
Oldest online log sequence 5
Next log sequence to archive 7
Current log sequence 7查看日誌組
SYS@orcl> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 INACTIVE
2 CURRENT
3 INACTIVE查看current日誌組文件路徑
select member from v$logfile;
MEMBER
------------------------------------------------------------------------------------------------------------------------
/u01/app/oracle/oradata/orcl/redo03.log
/u01/app/oracle/oradata/orcl//redo02.log
/u01/app/oracle/oradata/orcl//redo01.log刪除日誌文件
rm -rf /u01/app/oracle/oradata/orcl/redo02.log
啓動數據庫報錯
SYS@orcl> startup
ORACLE instance started.
Total System Global Area 835104768 bytes
Fixed Size 2257840 bytes
Variable Size 536874064 bytes
Database Buffers 289406976 bytes
Redo Buffers 6565888 bytes
Database mounted.
ORA-03113: end-of-file on communication channel
Process ID: 2821
Session ID: 125 Serial number: 查看trace alert日誌，提示找不到文件
ORA-00313: open failed for members of log group 2 of thread 1
ORA-00312: online log 2 thread 1: '/u01/app/oracle/oradata/orcl/redo02.log'
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3進行恢復
recover database until cancel;
alter database open resetlogs;