1 首先备份测试数据文件

RMAN> backup datafile 5;

Starting backup at 06-NOV-14

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=43 device type=DISK

channel ORA_DISK_1: starting full datafile backup set

channel ORA_DISK_1: specifying datafile(s) in backup set

input datafile file number=00005 name=/data/oracle/oradata/aaron/example01.dbf

channel ORA_DISK_1: starting piece 1 at 06-NOV-14

channel ORA_DISK_1: finished piece 1 at 06-NOV-14

piece handle=/data/oracle/flash_recovery_area/AARON/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T001531_b5pck41v_.bkp tag=TAG20141106T001531 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:16

Finished backup at 06-NOV-14

Starting Control File and SPFILE Autobackup at 06-NOV-14

piece handle=/data/oracle/flash_recovery_area/AARON/autobackup/2014_11_06/o1_mf_s_862877747_b5pcknj2_.bkp comment=NONE

Finished Control File and SPFILE Autobackup at 06-NOV-14

2 删除测试数据文件

SYS@aaron> !rm /data/oracle/oradata/aaron/example01.dbf

3 重新启动数据库查看错误信息

SYS@aaron> shutdown abort

ORACLE instance shut down.

SYS@aaron> startup

ORACLE instance started.

Total System Global Area 422670336 bytes

Fixed Size 1336960 bytes

Variable Size 314575232 bytes

Database Buffers 100663296 bytes

Redo Buffers 6094848 bytes

Database mounted.

ORA-01157: cannot identify/lock data file 5 - see DBWR trace file

ORA-01110: data file 5: '/data/oracle/oradata/aaron/example01.dbf'

4 重新连接RMAN 并执行 List Failure

RMAN> list failure;

using target database control file instead of recovery catalog
List of Database Failures
=========================

Failure ID Priority Status Time Detected Summary
---------- -------- --------- ------------- -------
522 HIGH OPEN 06-NOV-14 One or more non-system datafiles are missing

5 查看建议脚本

RMAN> advise failure;

List of Database Failures

=========================

Failure ID Priority Status Time Detected Summary

---------- -------- --------- ------------- -------

522 HIGH OPEN 06-NOV-14 One or more non-system datafiles are missing

analyzing automatic repair options; this may take some time

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=17 device type=DISK

analyzing automatic repair options complete

Mandatory Manual Actions

========================

no manual actions available

Optional Manual Actions

=======================

1. If file /data/oracle/oradata/aaron/example01.dbf was unintentionally renamed or moved, restore it

Automated Repair Options

========================

Option Repair Description

------ ------------------

1 Restore and recover datafile 5

Strategy: The repair includes complete media recovery with no data loss

Repair script: /data/oracle/diag/rdbms/aaron/aaron/hm/reco_780979516.hm

[oracle@localhost alert]$ more /data/oracle/diag/rdbms/aaron/aaron/hm/reco_780979516.hm

# restore and recover datafile

restore datafile 5;

recover datafile 5;

6 执行恢复操作

RMAN> restore datafile 5;

Starting restore at 06-NOV-14

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=18 device type=DISK

channel ORA_DISK_1: starting datafile backup set restore

channel ORA_DISK_1: specifying datafile(s) to restore from backup set

channel ORA_DISK_1: restoring datafile 00005 to /data/oracle/oradata/aaron/example01.dbf

channel ORA_DISK_1: reading from backup piece /data/oracle/flash_recovery_area/AARON/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T001531_b5pck41v_.bkp

channel ORA_DISK_1: piece handle=/data/oracle/flash_recovery_area/AARON/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T001531_b5pck41v_.bkp tag=TAG20141106T001531

channel ORA_DISK_1: restored backup piece 1

channel ORA_DISK_1: restore complete, elapsed time: 00:00:07

Finished restore at 06-NOV-14

ITPub博客

练习使用list failure，advise failure; repair failure;

最新文章