285.View the Exhibit to examine the error while executing the REPAIR FAILURE command in an RMAN
session.
What is the reason for this error?
A. Another repair session is running concurrently.
B. The failure ID has not been mentioned in the command for data file 5.
C. There are new failures recorded in the Automatic Diagnostic Repository (ADR).
D. The ADVISE FAILURE command has not been issued before the REPAIR FAILURE command.
Answer: A
答案解析：
实验一把：
sys@TEST1107> startup force
ORACLE instance started.
Total System Global Area 1269366784 bytes
Fixed Size 2227984 bytes
Variable Size 872415472 bytes
Database Buffers 385875968 bytes
Redo Buffers 8847360 bytes
Database mounted.
ORA-01157: cannot identify/lock data file 6 - see DBWR trace file
ORA-01110: data file 6: '/u01/app/oracle/oradata/test1107/test01.dbf'
第一个rman窗口
RMAN> list failure;
using target database control file instead of recovery catalog
List of Database Failures
=========================
Failure ID Priority Status Time Detected Summary
---------- -------- --------- ------------- -------
662 HIGH OPEN 07-NOV-13 One or more non-system datafiles are missing
RMAN> advise failure;
List of Database Failures
=========================
Failure ID Priority Status Time Detected Summary
---------- -------- --------- ------------- -------
662 HIGH OPEN 07-NOV-13 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=3 device type=DISK
allocated channel: ORA_DISK_2
channel ORA_DISK_2: SID=33 device type=DISK
allocated channel: ORA_DISK_3
channel ORA_DISK_3: SID=65 device type=DISK
analyzing automatic repair options complete
Mandatory Manual Actions
========================
no manual actions available
Optional Manual Actions
=======================
1. If file /u01/app/oracle/oradata/test1107/test01.dbf was unintentionally renamed or moved, restore it
Automated Repair Options
========================
Option Repair Description
------ ------------------
1 Restore and recover datafile 6
Strategy: The repair includes complete media recovery with no data loss
Repair script: /u01/app/oracle/diag/rdbms/test1107/test1107/hm/reco_1906746863.hm
RMAN> repair failure;
Strategy: The repair includes complete media recovery with no data loss
Repair script: /u01/app/oracle/diag/rdbms/test1107/test1107/hm/reco_1906746863.hm
contents of repair script:
# restore and recover datafile
restore datafile 6;
recover datafile 6;
sql 'alter database datafile 6 online';
Do you really want to execute the above repair (enter YES or NO)? y ---同时执行第二个rman窗口
executing repair script
Starting restore at 07-NOV-13
using channel ORA_DISK_1
using channel ORA_DISK_2
using channel ORA_DISK_3
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 00006 to /u01/app/oracle/oradata/test1107/test01.dbf
channel ORA_DISK_1: reading from backup piece /u01/app/oracle/fast_recovery_area/TEST1107/backupset/2013_11_07/o1_mf_nnndf_TAG20131107T210734_97rkv8s7_.bkp
channel ORA_DISK_1: piece handle=/u01/app/oracle/fast_recovery_area/TEST1107/backupset/2013_11_07/o1_mf_nnndf_TAG20131107T210734_97rkv8s7_.bkp tag=TAG20131107T210734
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:07
Finished restore at 07-NOV-13
Starting recover at 07-NOV-13
using channel ORA_DISK_1
using channel ORA_DISK_2
using channel ORA_DISK_3
starting media recovery
media recovery complete, elapsed time: 00:00:02
Finished recover at 07-NOV-13
sql statement: alter database datafile 6 online
repair failure complete
Do you want to open the database (enter YES or NO)? y
database opened
同时在第一个rman的Do you really want to execute the above repair (enter YES or NO)? y后在第二个窗口进行repair failure
RMAN> repair failure;
Strategy: The repair includes complete media recovery with no data loss
Repair script: /u01/app/oracle/diag/rdbms/test1107/test1107/hm/reco_1864566805.hm
contents of repair script:
# restore and recover datafile
restore datafile 6;
recover datafile 6;
sql 'alter database datafile 6 online';
Do you really want to execute the above repair (enter YES or NO)? y
executing repair script
Starting restore at 07-NOV-13
using channel ORA_DISK_1
using channel ORA_DISK_2
using channel ORA_DISK_3
skipping datafile 6; already restored to file /u01/app/oracle/oradata/test1107/test01.dbf
restore not done; all files read only, offline, or already restored
Finished restore at 07-NOV-13
Starting recover at 07-NOV-13
using channel ORA_DISK_1
using channel ORA_DISK_2
using channel ORA_DISK_3
starting media recovery
media recovery failed
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of repair command at 11/07/2013 21:29:42
RMAN-03015: error occurred in stored script Repair Script
ORA-00283: recovery session canceled due to errors
RMAN-11003: failure during parse/execution of SQL statement: alter database recover if needed
datafile 6
ORA-00283: recovery session canceled due to errors
ORA-01124: cannot recover data file 6 - file is in use or recovery
ORA-01110: data file 6: '/u01/app/oracle/oradata/test1107/test01.dbf'