DG 用 rman duplicate 恢复standby 的问题及解决。
SQL> startup nomount pfile=/opt/oracle/product/10g/dbs/initorcl.ora
LRM-00123: invalid character 148 found in the input file
ORA-01078: failure in processing system parameters
RMAN> duplicate target database for standby nofilenamecheck dorecover;
Starting Duplicate Db at 28-MAR-12
using channel ORA_AUX_DISK_1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 03/28/2012 12:18:13
ORA-01405: fetched column value is NULL
解决方法主库： alter system switch logfile;
RMAN> duplicate target database for standby nofilenamecheck dorecover;
Starting Duplicate Db at 28-MAR-12
using target database control file instead of recovery catalog
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: sid=155 devtype=DISK
contents of Memory Script.:
{
set until scn 485861;
restore clone standby controlfile;
sql clone 'alter database mount standby database';
}
executing Memory Script
executing command: SET until clause
Starting restore at 28-MAR-12
using channel ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: starting datafile backupset restore
channel ORA_AUX_DISK_1: restoring control file
channel ORA_AUX_DISK_1: reading from backup piece /u01/backup/dgdb1_02n70jpe_1_1_20120328
ORA-19870: error reading backup piece /u01/backup/dgdb1_02n70jpe_1_1_20120328
ORA-19505: failed to identify file "/u01/backup/dgdb1_02n70jpe_1_1_20120328"
ORA-27037: unable to obtain file status
Linux Error: 2: No such file or directory
Additional information: 3
failover to previous backup
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 03/28/2012 12:20:16
RMAN-03015: error occurred in stored script. Memory Script
RMAN-06026: some targets not found - aborting restore
RMAN-06024: no backup or copy of the control file found to restore
RMAN> restore database validate;
Starting restore at 28-MAR-12
using channel ORA_DISK_1
channel ORA_DISK_1: starting validation of datafile backupset
channel ORA_DISK_1: reading from backup piece /u01/backup/dgdb1_07n70li1_1_1_20120328
channel ORA_DISK_1: restored backup piece 1
piece handle=/u01/backup/dgdb1_07n70li1_1_1_20120328 tag=TAG20120328T123409
channel ORA_DISK_1: validation complete, elapsed time: 00:00:03
Finished restore at 28-MAR-12
验证控制文件不可用，是我们备份的脚本有问题。换了一个数据备份脚本 OK 了
RMAN> restore controlfile validate;
Starting restore at 28-MAR-12
using channel ORA_DISK_1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 03/28/2012 12:34:50
RMAN-06026: some targets not found - aborting restore
RMAN-06024: no backup or copy of the control file found to restore
SQL> ALTER DATABASE ADD STANDBY LOGFILE GROUP 4 ('/opt/oracle/oradata/research/redo04.log') size 50M;
ALTER DATABASE ADD STANDBY LOGFILE GROUP 4 ('/opt/oracle/oradata/research/redo04.log') size 50M
*
ERROR at line 1:
ORA-01156: recovery in progress may need access to files