第一:损坏的redo为非正在使用的redo log
1
、归档模式,不是当前正在日志损坏,数据库打开模式。
模拟损坏:
SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES BLOCKSIZE MEMBERS ARC STATUS FIRST_CHANGE# FIRST_TIM NEXT_CHANGE# NEXT_TIME
---------- ---------- ---------- ---------- ---------- ---------- --- ---------------- ------------- ---
1 1 388 52428800 512 1 YES INACTIVE 5385552 27-OCT-13 5385555 27-OCT-13
2 1 389 52428800 512 1 YES INACTIVE 5385555 27-OCT-13 5385558 27-OCT-13
3 1 390 52428800 512 1 NO CURRENT 5385558 27-OCT-13 2.8147E+14
4 1 387 52428800 512 1 YES INACTIVE 5385548 27-OCT-13 5385552 27-OCT-13
SQL> !rm redo02.log
SQL> !ls -l
total 3647744
-rw-r-----. 1 oracle oinstall 362422272 Oct 27 17:35 example01.dbf
-rw-r-----. 1 oracle oinstall 62922752 Oct 27 17:35 index_tablespace.dbf
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 17:35 redo01.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 17:35 redo03.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 17:35 redo04.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 25 16:45 redo4_1.log
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 17:35 Rhys_Amy.dbf
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 17:35 statspack.dbf
-rw-r-----. 1 oracle oinstall 671096832 Oct 27 17:35 sysaux01.dbf
-rw-r-----. 1 oracle oinstall 796925952 Oct 27 17:35 system01.dbf
-rw-r-----. 1 oracle oinstall 44048384 Oct 27 16:18 temp01.dbf
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 17:35 undotbs02.dbf
-rw-r-----. 1 oracle oinstall 5251072 Oct 27 17:35 users01.dbf
SQL>
日志提示错误:
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
Errors in file /opt/app/oracle/diag/rdbms/rhys/RHYS/trace/RHYS_arc2_1758.trc:
ORA-00313: open failed for members of log group 2 of thread 1
ORA-00312: online log 2 thread 1: '/opt/app/oracle/oradata/RHYS/redo02.log'
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
Master background archival failure: 313
日常出现错误,提示不能获得该文件状态,数据无法进行日志切换
解决办法
:
1
、注意不需要重启数据库,只需要把日志清除即可。
SQL> alter database clear unarchived logfile group 2;
Database altered.
SQL> alter system switch logfile;
System altered.
SQL>
SQL> !ls -l
total 3698948
-rw-r-----. 1 oracle oinstall 9977856 Oct 27 17:41 control01.ctl
-rw-r-----. 1 oracle oinstall 362422272 Oct 27 17:39 example01.dbf
-rw-r-----. 1 oracle oinstall 62922752 Oct 27 17:39 index_tablespace.dbf
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 17:40 redo01.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 17:41 redo02.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 17:38 redo03.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 17:38 redo04.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 25 16:45 redo4_1.log
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 17:39 Rhys_Amy.dbf
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 17:39 statspack.dbf
-rw-r-----. 1 oracle oinstall 671096832 Oct 27 17:39 sysaux01.dbf
-rw-r-----. 1 oracle oinstall 796925952 Oct 27 17:39 system01.dbf
-rw-r-----. 1 oracle oinstall 44048384 Oct 27 16:18 temp01.dbf
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 17:39 undotbs02.dbf
-rw-r-----. 1 oracle oinstall 5251072 Oct 27 17:39 users01.dbf
2
、归档模式,不是当前正在日志损坏,数据库关闭模式。
演示过程:
SQL> set linesize 200
SQL> select * from v$log;
select * from v$log
*
ERROR at line 1:
ORA-01034: ORACLE not available
Process ID: 0
Session ID: 0 Serial number: 0
SQL> startup mount;
ORACLE instance started.
Total System Global Area 492707840 bytes
Fixed Size 2254544 bytes
Variable Size 322963760 bytes
Database Buffers 163577856 bytes
Redo Buffers 3911680 bytes
Database mounted.
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-03113: end-of-file on communication channel
Process ID: 3489
Session ID: 1 Serial number: 5
日志提示:
Errors in file /opt/app/oracle/diag/rdbms/rhys/RHYS/trace/RHYS_ora_3489.trc:
ORA-00313: open failed for members of log group 1 of thread
ORA-00312: online log 2 thread 1: '/opt/app/oracle/oradata/RHYS/redo02.log'
Sun Oct 27 17:45:25 2013
ARC1 started with pid=21, OS id=3493
USER (ospid: 3489): terminating the instance due to error 313
Sun Oct 27 17:45:25 2013
System state dump requested by (instance=1, osid=3489), summary=[abnormal instance termination].
System State dumped to trace file /opt/app/oracle/diag/rdbms/rhys/RHYS/trace/RHYS_diag_3458_20131027174525.trc
Dumping diagnostic data in directory=[cdmp_20131027174525], requested by (instance=1, osid=3489), summary=[abnormal instance termination].
Instance terminated by USER, pid = 3489
解决办法
:
在数据库启动的时候清除日志,然后
open
数据库:
SQL> startup mount;
ORACLE instance started.
Total System Global Area 492707840 bytes
Fixed Size 2254544 bytes
Variable Size 322963760 bytes
Database Buffers 163577856 bytes
Redo Buffers 3911680 bytes
Database mounted.
SQL> alter database clear logfile group 2;
alter database clear logfile group 2
*
ERROR at line 1:
ORA-00350: log 2 of instance RHYS (thread 1) needs to be archived
ORA-00312: online log 2 thread 1: '/opt/app/oracle/oradata/RHYS/redo02.log'
SQL> alter database clear unarchived logfile group 2;
Database altered.
SQL> alter database open;
Database altered.
SQL>
3
、数据库打开模式,非归档模式,非当前日志损坏
模拟过程:
SQL> archive log list;
Database log mode No Archive Mode
Automatic archival Disabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 402
Current log sequence 405
SQL> !rm redo02.log
SQL> !ls -l
total 3647744
-rw-r-----. 1 oracle oinstall 9977856 Oct 27 17:54 control01.ctl
-rw-r-----. 1 oracle oinstall 362422272 Oct 27 17:54 example01.dbf
-rw-r-----. 1 oracle oinstall 62922752 Oct 27 17:54 index_tablespace.dbf
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 17:54 redo01.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 17:54 redo03.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 17:54 redo04.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 25 16:45 redo4_1.log
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 17:54 Rhys_Amy.dbf
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 17:54 statspack.dbf
-rw-r-----. 1 oracle oinstall 671096832 Oct 27 17:54 sysaux01.dbf
-rw-r-----. 1 oracle oinstall 796925952 Oct 27 17:54 system01.dbf
-rw-r-----. 1 oracle oinstall 44048384 Oct 27 16:18 temp01.dbf
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 17:54 undotbs02.dbf
-rw-r-----. 1 oracle oinstall 5251072 Oct 27 17:54 users01.dbf
SQL> r
1* alter system switch logfile
System altered.
SQL> r
1* alter system switch logfile
System altered.
SQL> r
1* alter system switch logfile
System altered.
SQL> r
1* alter system switch logfile
System altered.
SQL> r
1* alter system switch logfile
System altered.
SQL> r
1* alter system switch logfile
System altered.
SQL> r
1* alter system switch logfile
System altered.
SQL> r
1* alter system switch logfile
SQL>
在执行
dml
语句,以及切换日志都成功,但是数据库启动后报错。
日志文件如下:
Errors in file /opt/app/oracle/diag/rdbms/rhys/RHYS/trace/RHYS_ora_3779.trc:
ORA-00313: open failed for members of log group 1 of thread
ORA-00312: online log 2 thread 1: '/opt/app/oracle/oradata/RHYS/redo02.log'
USER (ospid: 3779): terminating the instance due to error 313
System state dump requested by (instance=1, osid=3779), summary=[abnormal instance termination].
System State dumped to trace file /opt/app/oracle/diag/rdbms/rhys/RHYS/trace/RHYS_diag_3749_20131027175926.trc
Dumping diagnostic data in directory=[cdmp_20131027175926], requested by (instance=1, osid=3779), summary=[abnormal instance termination].
Instance terminated by USER, pid = 3779
解决方案
:
只需要把损坏的日志文件清除日志组即可。
SQL> startup mount;
ORACLE instance started.
Total System Global Area 492707840 bytes
Fixed Size 2254544 bytes
Variable Size 322963760 bytes
Database Buffers 163577856 bytes
Redo Buffers 3911680 bytes
Database mounted.
SQL> alter database clear logfile group 2;
Database altered.
SQL> alter database open;
Database altered.
SQL>
4
、非归档模式、数据库关闭、不是正在使用的日志文件损坏。
模拟过程:
SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES BLOCKSIZE MEMBERS ARC STATUS FIRST_CHANGE# FIRST_TIM NEXT_CHANGE# NEXT_TIME
---------- ---------- ---------- ---------- ---------- ---------- --- ---------------- ------------- --------- ------------ ---------
1 1 450 52428800 512 1 NO CURRENT 5388976 27-OCT-13 2.8147E+14
2 1 449 52428800 512 1 NO INACTIVE 5388970 27-OCT-13 5388976 27-OCT-13
3 1 447 52428800 512 1 NO INACTIVE 5388964 27-OCT-13 5388967 27-OCT-13
4 1 448 52428800 512 1 NO INACTIVE 5388967 27-OCT-13 5388970 27-OCT-13
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> !rm redo02.log
SQL> !ls -l
total 3647744
-rw-r-----. 1 oracle oinstall 9977856 Oct 27 18:06 control01.ctl
-rw-r-----. 1 oracle oinstall 362422272 Oct 27 18:06 example01.dbf
-rw-r-----. 1 oracle oinstall 62922752 Oct 27 18:06 index_tablespace.dbf
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 18:06 redo01.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 18:05 redo03.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 27 18:05 redo04.log
-rw-r-----. 1 oracle oinstall 52429312 Oct 25 16:45 redo4_1.log
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 18:06 Rhys_Amy.dbf
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 18:06 statspack.dbf
-rw-r-----. 1 oracle oinstall 671096832 Oct 27 18:06 sysaux01.dbf
-rw-r-----. 1 oracle oinstall 796925952 Oct 27 18:06 system01.dbf
-rw-r-----. 1 oracle oinstall 44048384 Oct 27 16:18 temp01.dbf
-rw-r-----. 1 oracle oinstall 524296192 Oct 27 18:06 undotbs02.dbf
-rw-r-----. 1 oracle oinstall 5251072 Oct 27 18:06 users01.dbf
SQL> startup
ORACLE instance started.
Total System Global Area 492707840 bytes
Fixed Size 2254544 bytes
Variable Size 322963760 bytes
Database Buffers 163577856 bytes
Redo Buffers 3911680 bytes
Database mounted.
ORA-03113: end-of-file on communication channel
Process ID: 4087
Session ID: 1 Serial number: 5
日志告警
Additional information: 3
Errors in file /opt/app/oracle/diag/rdbms/rhys/RHYS/trace/RHYS_ora_4087.trc:
ORA-00313: open failed for members of log group 1 of thread
ORA-00312: online log 2 thread 1: '/opt/app/oracle/oradata/RHYS/redo02.log'
USER (ospid: 4087): terminating the instance due to error 313
System state dump requested by (instance=1, osid=4087), summary=[abnormal instance termination].
System State dumped to trace file /opt/app/oracle/diag/rdbms/rhys/RHYS/trace/RHYS_diag_4057_20131027180649.trc
Dumping diagnostic data in directory=[cdmp_20131027180649], requested by (instance=1, osid=4087), summary=[abnormal instance termination].
Instance terminated by USER, pid = 4087
恢复方法
:
