ORACLE本地磁盘备份恢复
1.部署新备份磁盘（源和目标）
[oracle@cmxdb /ora_bak]$ mkdir -p /oracle/rmanback
[oracle@cmxdb /ora_bak]$ chown -R oracle:oinstall /oracle/rmanback
[oracle@cmxdb /ora_bak]$ ls -ld /oracle/rmanback/
drwxr-xr-x 2 oracle oinstall 6 Dec 1 15:37 /oracle/rmanback/
[oracle@cmxbak ~]$ mkdir -p /oracle/rmanback
[oracle@cmxbak ~]$ chown -R oracle:oinstall /oracle/rmanback
[oracle@cmxbak ~]$ ls -ld /oracle/rmanback/
drwxr-xr-x 2 oracle oinstall 6 Dec 1 15:58 /oracle/rmanback/
2.源端备份
2.1备份数据文件
[oracle@cmxdb /ora_bak]$ rman target /
Recovery Manager: Release 11.2.0.4.0 - Production on Sun Dec 1 15:39:30 2024
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
connected to target database: CMXDB (DBID=3000047776)
RMAN> backup database format '/oracle/rmanback/data_%U.dbf';
Starting backup at 2024-12-01 15:39:51
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=1714 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=00001 name=/oradata/cmxdb/system01.dbf
input datafile file number=00002 name=/oradata/cmxdb/sysaux01.dbf
input datafile file number=00005 name=/oradata/cmxdb/example01.dbf
input datafile file number=00003 name=/oradata/cmxdb/undotbs01.dbf
input datafile file number=00004 name=/oradata/cmxdb/users01.dbf
channel ORA_DISK_1: starting piece 1 at 2024-12-01 15:39:51
channel ORA_DISK_1: finished piece 1 at 2024-12-01 15:40:26
piece handle=/oracle/rmanback/data_0l3bjou7_1_1.dbf tag=TAG20241201T153951 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:35
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
including current control file in backup set
including current SPFILE in backup set
channel ORA_DISK_1: starting piece 1 at 2024-12-01 15:40:27
channel ORA_DISK_1: finished piece 1 at 2024-12-01 15:40:28
piece handle=/oracle/rmanback/data_0m3bjova_1_1.dbf tag=TAG20241201T153951 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 2024-12-01 15:40:28
RMAN>
[oracle@cmxdb /oracle/rmanback]$ ls -l
total 1210592
-rw-r----- 1 oracle oinstall 1229717504 Dec 1 15:40 data_0l3bjou7_1_1.dbf
-rw-r----- 1 oracle oinstall 9928704 Dec 1 15:40 data_0m3bjova_1_1.dbf
ps：当数据量较大时，使用如下方式
run {
allocate channel c1 type disk;
allocate channel c2 type disk;
allocate channel c3 type disk;
backup database format '/oracle/rmanback/data_%U.dbf';
release channel c1;
release channel c2;
release channel c3;
}
2.2备份控制文件
RMAN> backup current controlfile format '/oracle/rmanback/control_01.dbf';
Starting backup at 2024-12-01 15:43:04
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
including current control file in backup set
channel ORA_DISK_1: starting piece 1 at 2024-12-01 15:43:05
channel ORA_DISK_1: finished piece 1 at 2024-12-01 15:43:06
piece handle=/oracle/rmanback/control_01.dbf tag=TAG20241201T154304 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 2024-12-01 15:43:06
RMAN>
[oracle@cmxdb /oracle/rmanback]$ ls -l
total 2430848
-rw-r----- 1 oracle oinstall 9895936 Dec 1 15:43 control_01.dbf
-rw-r----- 1 oracle oinstall 1229717504 Dec 1 15:40 data_0l3bjou7_1_1.dbf
-rw-r----- 1 oracle oinstall 9928704 Dec 1 15:40 data_0m3bjova_1_1.dbf
主库
alter database backup controlfile to '/oracle/rmanback/control01.ctl';
主库生成文本文件的备份控制文件
alter database backup controlfile to trace as '/home/oracle/tmp/b.ctl';
当需要创建备库时，可以使用如下方式：
alter database create standby controlfile as '/oracle/rmanback/control01.ctl';
2.3备份参数文件
SQL> show parameter spfile;
NAME TYPE VALUE
spfile string /oracle/dbsoft/product/ora11g/
dbs/spfilecmxdb.ora
SQL> create pfile='/oracle/rmanback/init31.ora' from spfile;
File created.
SQL> host ls -l /oracle/rmanback/
total 2430852
-rw-r----- 1 oracle oinstall 9895936 Dec 1 15:43 control_01.dbf
-rw-r----- 1 oracle oinstall 1229717504 Dec 1 15:40 data_0l3bjou7_1_1.dbf
-rw-r----- 1 oracle oinstall 9928704 Dec 1 15:40 data_0m3bjova_1_1.dbf
-rw-r----- 1 oracle oinstall 1229717504 Dec 1 15:42 data_0n3bjp2q_1_1.dbf
-rw-r----- 1 oracle oinstall 9928704 Dec 1 15:42 data_0o3bjp2t_1_1.dbf
-rw-r--r-- 1 oracle oinstall 1183 Dec 1 15:46 init31.ora
3.传输备份
[oracle@cmxdb /oracle/rmanback]$ scp /oracle/rmanback/* 10.0.0.33:/oracle/rmanback/
[oracle@cmxbak ~]$ ll /oracle/rmanback/
total 2430852
-rw-r----- 1 oracle oinstall 9895936 Dec 1 15:59 control_01.dbf
-rw-r----- 1 oracle oinstall 1229717504 Dec 1 16:00 data_0l3bjou7_1_1.dbf
-rw-r----- 1 oracle oinstall 9928704 Dec 1 16:00 data_0m3bjova_1_1.dbf
-rw-r----- 1 oracle oinstall 1229717504 Dec 1 16:00 data_0n3bjp2q_1_1.dbf
-rw-r----- 1 oracle oinstall 9928704 Dec 1 16:00 data_0o3bjp2t_1_1.dbf
-rw-r--r-- 1 oracle oinstall 1183 Dec 1 16:00 init31.ora
4.传输归档日志
1.获取归档存放路径
[oracle@cmxdb /oracle/rmanback]$ sqlplus / as sysdba
SQL> select name from v$archived_log order by 1;
NAME
/archlog/1_10_1185485602.dbf
/archlog/1_11_1185485602.dbf
2.目标端配置相同路径
[oracle@cmxbak ~]$ ll /archlog/
ps：若有旧数据的归档，直接删除
3.传输归档日志
[oracle@cmxdb /oracle/rmanback]$ scp /archlog/* 10.0.0.33:/archlog
oracle@10.0.0.33's password:
1_10_1185485602.dbf 100% 31MB 103.3MB/s 00:00
1_11_1185485602.dbf 100% 36MB 79.3MB/s 00:00
1_12_1185485602.dbf 100% 29MB 90.4MB/s 00:00
4.目标端查看
[oracle@cmxbak ~]$ ll /archlog/
total 569756
-rw-r----- 1 oracle oinstall 32854528 Dec 1 16:10 1_10_1185485602.dbf
-rw-r----- 1 oracle oinstall 37998080 Dec 1 16:10 1_11_1185485602.dbf
5.目标端配置环境变量
[oracle@cmxbak ~]$ cd
调整目标端的ORACLE_SID
[oracle@cmxbak ~]$ cat .bash_profile
.bash_profile
Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
User specific environment and startup program
export TMP=/tmp
export TMPDIR=$TMP
export ORACLE_BASE=/oracle/dbsoft
export ORACLE_HOME=/oracle/dbsoft/product/ora11g
export ORACLE_SID=cmxdb
export ORACLE_TERM=xterm
export BASE_PATH=/usr/sbin:$PATH
export PATH=$ORACLE_HOME/bin:$BASE_PATH
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib
export CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib
export NLS_DATE_FORMAT="yyyy-mm-dd HH24:MI:SS";
export NLS_LANG=AMERICAN_AMERICA.AL32UTF8
PATH=$PATH:$HOME/bin
export PATH
[oracle@cmxbak ~]$ source .bash_profile
5.恢复
5.1 恢复到nomount状态
1.查看参数文件中的路径并进行创建
[oracle@cmxbak ~]$ cat /oracle/rmanback/init31.ora
cmxdb.__db_cache_size=2516582400
cmxdb.__java_pool_size=16777216
cmxdb.__large_pool_size=33554432
cmxdb.__oracle_base='/oracle/dbsoft'#ORACLE_BASE set from environment
cmxdb.__pga_aggregate_target=1056964608
cmxdb.__sga_target=3154116608
cmxdb.__shared_io_pool_size=0
cmxdb.__shared_pool_size=553648128
cmxdb.__streams_pool_size=0
*.audit_file_dest='/oracle/dbsoft/admin/cmxdb/adump'
*.audit_trail='db'
*.compatible='11.2.0.4.0'
*.control_files='/oradata/cmxdb/control01.ctl','/oracle/dbsoft/fast_recovery_area/cmxdb/control02.ctl'
*.db_block_size=8192
*.db_domain=''
*.db_name='cmxdb'
*.db_recovery_file_dest='/oracle/dbsoft/fast_recovery_area'
*.db_recovery_file_dest_size=1462763520
*.diagnostic_dest='/oracle/dbsoft'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=cmxdbXDB)'
*.fal_client='cmxdb'
*.fal_server='drcmxdb'
*.log_archive_dest_1='LOCATION=/archlog'
*.log_archive_dest_2='SERVICE=drcmxdbdg LGWR ASYNC VALID_FOR=(ONLINE_LOGFILE,PRIMARY_ROLE) DB_UNIQUE_NAME=drcmxdb'
*.open_cursors=300
*.pga_aggregate_target=1049624576
*.processes=1500
*.remote_login_passwordfile='EXCLUSIVE'
*.sessions=1655
*.sga_target=3148873728
*.standby_file_management='AUTO'
*.undo_tablespace='UNDOTBS1'
[oracle@cmxbak ~]$ mkdir -p /oracle/dbsoft
[oracle@cmxbak ~]$ mkdir -p /oracle/dbsoft/admin/cmxdb/adump
[oracle@cmxbak ~]$ mkdir -p /oradata/cmxdb/
[oracle@cmxbak ~]$ mkdir -p /oracle/dbsoft/fast_recovery_area/cmxdb/
2.使用新参数文件启动到nomount状态
startup nomount pfile='/oracle/rmanback/init31.ora';
show parameter instance_name --复核实例名配置是否正常
create spfile from pfile='/oracle/rmanback/init31.ora';
shutdown immediate;
startup nomount;
show parameter ARCH
show parameter fal_server
show parameter fal_client
show parameter standby_file_management
show parameter name
3.检查启动的实例
[oracle@cmxbak ~]$ ps -ef |grep pmon
oracle 23399 1 0 16:16 ? 00:00:00 ora_pmon_cmxdb
oracle 23440 23065 0 16:17 pts/0 00:00:00 grep --color=auto pmon
5.2 恢复到mount状态
1.恢复控制文件
方式一：使用rman恢复指定控制文件
[oracle@cmxbak /oracle/rmanback]$ rman target /
Recovery Manager: Release 11.2.0.4.0 - Production on Sun Dec 1 16:19:54 2024
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
connected to target database: CMXDB (not mounted)
RMAN> restore controlfile from '/oracle/rmanback/control_01.dbf';
Starting restore at 2024-12-01 16:20:03
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=572 device type=DISK
channel ORA_DISK_1: restoring control file
channel ORA_DISK_1: restore complete, elapsed time: 00:00:01
output file name=/oradata/cmxdb/control01.ctl
output file name=/oracle/dbsoft/fast_recovery_area/cmxdb/control02.ctl
Finished restore at 2024-12-01 16:20:04
方式二：查看参数文件中控制文件的位置，将控制文件cp到指定的位置
此种方法需要手动生成的控制文件，并非备份的控制文件
[oracle@cmxbak /oracle/rmanback]$ cat init31.ora |grep control_files
*.control_files='/oradata/cmxdb/control01.ctl','/oracle/dbsoft/fast_recovery_area/cmxdb/control02.ctl'
[oracle@cmxbak /oracle/rmanback]$ cp /oracle/rmanback/control01.ctl /oradata/cmxdb/control01.ctl
[oracle@cmxbak /oracle/rmanback]$ cp /oracle/rmanback/control01.ctl /oracle/dbsoft/fast_recovery_area/cmxdb/control02.ctl
[oracle@cmxbak /oracle/rmanback]$ ll /oradata/cmxdb/control01.ctl
-rw-r----- 1 oracle oinstall 9895936 Dec 5 17:00 /oradata/cmxdb/control01.ctl
[oracle@cmxbak /oracle/rmanback]$ ll /oracle/dbsoft/fast_recovery_area/cmxdb/control02.ctl
-rw-r----- 1 oracle oinstall 9895936 Dec 5 17:00 /oracle/dbsoft/fast_recovery_area/cmxdb/control02.ctl
2.启动到mount状态
RMAN> alter database mount;
database mounted
released channel: ORA_DISK_1
3.数据库中查看数据库的状态
SQL> select OPEN_MODE,database_role from v$database;
OPEN_MODE DATABASE_ROLE
MOUNTED PRIMARY
5.3 检查备份和备份片
RMAN> LIST BACKUP OF DATABASE;
List of Backup Sets
BS Key Type LV Size Device Type Elapsed Time Completion Time
3 Full 1.11G DISK 00:00:02 2024-11-27 17:00:21
BP Key: 3 Status: AVAILABLE Compressed: NO Tag: TAG20241127T170019
Piece Name: /ora_bak/db_0a3b6np3_1_1
List of Datafiles in backup set 3
File LV Type Ckp SCN Ckp Time Name
1 Full 1148808 2024-11-27 17:00:19 /oradata/cmxdb/system01.dbf
2 Full 1148808 2024-11-27 17:00:19 /oradata/cmxdb/sysaux01.dbf
3 Full 1148808 2024-11-27 17:00:19 /oradata/cmxdb/undotbs01.dbf
4 Full 1148808 2024-11-27 17:00:19 /oradata/cmxdb/users01.dbf
5 Full 1148808 2024-11-27 17:00:19 /oradata/cmxdb/example01.dbf
BS Key Type LV Size Device Type Elapsed Time Completion Time
7 Full 1.11G DISK 00:00:02 2024-11-27 17:03:37
BP Key: 7 Status: AVAILABLE Compressed: NO Tag: TAG20241127T170335
Piece Name: /ora_bak/db_0f3b6nv7_1_1
List of Datafiles in backup set 7
File LV Type Ckp SCN Ckp Time Name
1 Full 1149047 2024-11-27 17:03:35 /oradata/cmxdb/system01.dbf
2 Full 1149047 2024-11-27 17:03:35 /oradata/cmxdb/sysaux01.dbf
3 Full 1149047 2024-11-27 17:03:35 /oradata/cmxdb/undotbs01.dbf
4 Full 1149047 2024-11-27 17:03:35 /oradata/cmxdb/users01.dbf
5 Full 1149047 2024-11-27 17:03:35 /oradata/cmxdb/example01.dbf
BS Key Type LV Size Device Type Elapsed Time Completion Time
9 Full 1.11G DISK 00:00:01 2024-11-27 17:04:42
BP Key: 9 Status: AVAILABLE Compressed: NO Tag: TAG20241127T170441
Piece Name: /ora_bak/db_0i3b6o19_1_1
List of Datafiles in backup set 9
File LV Type Ckp SCN Ckp Time Name
1 Full 1149136 2024-11-27 17:04:41 /oradata/cmxdb/system01.dbf
2 Full 1149136 2024-11-27 17:04:41 /oradata/cmxdb/sysaux01.dbf
3 Full 1149136 2024-11-27 17:04:41 /oradata/cmxdb/undotbs01.dbf
4 Full 1149136 2024-11-27 17:04:41 /oradata/cmxdb/users01.dbf
5 Full 1149136 2024-11-27 17:04:41 /oradata/cmxdb/example01.dbf
BS Key Type LV Size Device Type Elapsed Time Completion Time
12 Full 1.15G DISK 00:00:27 2024-12-01 15:40:18
BP Key: 12 Status: AVAILABLE Compressed: NO Tag: TAG20241201T153951
Piece Name: /oracle/rmanback/data_0l3bjou7_1_1.dbf
List of Datafiles in backup set 12
File LV Type Ckp SCN Ckp Time Name
1 Full 1391030 2024-12-01 15:39:51 /oradata/cmxdb/system01.dbf
2 Full 1391030 2024-12-01 15:39:51 /oradata/cmxdb/sysaux01.dbf
3 Full 1391030 2024-12-01 15:39:51 /oradata/cmxdb/undotbs01.dbf
4 Full 1391030 2024-12-01 15:39:51 /oradata/cmxdb/users01.dbf
5 Full 1391030 2024-12-01 15:39:51 /oradata/cmxdb/example01.dbf
BS Key Type LV Size Device Type Elapsed Time Completion Time
14 Full 1.15G DISK 00:00:02 2024-12-01 15:42:20
BP Key: 14 Status: AVAILABLE Compressed: NO Tag: TAG20241201T154218
Piece Name: /oracle/rmanback/data_0n3bjp2q_1_1.dbf
List of Datafiles in backup set 14
File LV Type Ckp SCN Ckp Time Name
1 Full 1391195 2024-12-01 15:42:18 /oradata/cmxdb/system01.dbf
2 Full 1391195 2024-12-01 15:42:18 /oradata/cmxdb/sysaux01.dbf
3 Full 1391195 2024-12-01 15:42:18 /oradata/cmxdb/undotbs01.dbf
4 Full 1391195 2024-12-01 15:42:18 /oradata/cmxdb/users01.dbf
5 Full 1391195 2024-12-01 15:42:18 /oradata/cmxdb/example01.dbf
RMAN>
查看备份片是否存在
[oracle@cmxbak ~]$ ll /oracle/rmanback/data_0l3bjou7_1_1.dbf
-rw-r----- 1 oracle oinstall 1229717504 Dec 1 16:00 /oracle/rmanback/data_0l3bjou7_1_1.dbf
5.4 恢复到open状态
恢复数据文件
1.恢复数据文件
RMAN> restore database;
Starting restore at 2024-12-01 16:47:50
Starting implicit crosscheck backup at 2024-12-01 16:47:50
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=1141 device type=DISK
Crosschecked 14 objects
Finished implicit crosscheck backup at 2024-12-01 16:47:50
Starting implicit crosscheck copy at 2024-12-01 16:47:50
using channel ORA_DISK_1
Crosschecked 4 objects
Finished implicit crosscheck copy at 2024-12-01 16:47:50
searching for all files in the recovery area
cataloging files...
no files cataloged
using channel ORA_DISK_1
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 00001 to /oradata/cmxdb/system01.dbf
channel ORA_DISK_1: restoring datafile 00002 to /oradata/cmxdb/sysaux01.dbf
channel ORA_DISK_1: restoring datafile 00003 to /oradata/cmxdb/undotbs01.dbf
channel ORA_DISK_1: restoring datafile 00004 to /oradata/cmxdb/users01.dbf
channel ORA_DISK_1: restoring datafile 00005 to /oradata/cmxdb/example01.dbf
channel ORA_DISK_1: reading from backup piece /oracle/rmanback/data_0n3bjp2q_1_1.dbf
channel ORA_DISK_1: piece handle=/oracle/rmanback/data_0n3bjp2q_1_1.dbf tag=TAG20241201T154218
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:03
Finished restore at 2024-12-01 16:47:53
2.检查
[oracle@cmxbak ~]$ ll /oradata/
total 0
drwxr-xr-x 2 oracle oinstall 128 Nov 27 18:01 cmxdb
[oracle@cmxbak ~]$ ll /oradata/cmxdb/
total 1828544
-rw-r----- 1 oracle oinstall 9846784 Dec 1 16:48 control01.ctl
-rw-r----- 1 oracle oinstall 347348992 Dec 1 16:47 example01.dbf
-rw-r----- 1 oracle oinstall 629153792 Dec 1 16:47 sysaux01.dbf
-rw-r----- 1 oracle oinstall 786440192 Dec 1 16:47 system01.dbf
-rw-r----- 1 oracle oinstall 94380032 Dec 1 16:47 undotbs01.dbf
-rw-r----- 1 oracle oinstall 5251072 Dec 1 16:47 users01.dbf
检查控制文件中的归档日志是否存在
[oracle@cmxbak /oracle/rmanback]$ rman target /
1.检查当前数据库的备份
list backup;
2.将备份注册到数据库中
RMAN> catalog start with '/oracle/rmanback/';
searching for all files that match the pattern /oracle/rmanback/
List of Files Unknown to the Database
File Name: /oracle/rmanback/data_0v3buej4_1_1.dbf
File Name: /oracle/rmanback/data_103buej4_1_1.dbf
File Name: /oracle/rmanback/data_113buej4_1_1.dbf
File Name: /oracle/rmanback/data_123buej5_1_1.dbf
File Name: /oracle/rmanback/data_133buej6_1_1.dbf
Do you really want to catalog the above files (enter YES or NO)? yes
cataloging files...
cataloging done
List of Cataloged Files
File Name: /oracle/rmanback/data_0v3buej4_1_1.dbf
File Name: /oracle/rmanback/data_103buej4_1_1.dbf
File Name: /oracle/rmanback/data_113buej4_1_1.dbf
File Name: /oracle/rmanback/data_123buej5_1_1.dbf
File Name: /oracle/rmanback/data_133buej6_1_1.dbf
3.查看全备
RMAN> crosscheck backup;
using channel ORA_DISK_1
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/oracle/rmanback/data_0v3buej4_1_1.dbf RECID=31 STAMP=1186943917
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/oracle/rmanback/data_103buej4_1_1.dbf RECID=32 STAMP=1186943917
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/oracle/rmanback/data_113buej4_1_1.dbf RECID=33 STAMP=1186943917
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/oracle/rmanback/data_123buej5_1_1.dbf RECID=34 STAMP=1186943917
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/oracle/rmanback/data_133buej6_1_1.dbf RECID=35 STAMP=1186943917
Crosschecked 5 objects
4.查看归档
RMAN> crosscheck archivelog all;
released channel: ORA_DISK_1
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=1141 device type=DISK
validation succeeded for archived log
archived log file name=/archlog/1_58_1185485602.dbf RECID=97 STAMP=1186870463
validation succeeded for archived log
archived log file name=/archlog/1_59_1185485602.dbf RECID=99 STAMP=1186937393
Crosschecked 2 objects
恢复数据库
RMAN> recover database;
Starting recover at 2024-12-01 16:50:24
using channel ORA_DISK_1
starting media recovery
unable to find archived log
archived log thread=1 sequence=54
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 12/01/2024 16:50:25
RMAN-06054: media recovery requesting unknown archived log for thread 1 with sequence 54 and starting SCN of 1391195
报错：执行如下命令，恢复到执行的scn位置
RMAN> recover database until scn 1391195;
Starting recover at 2024-12-01 16:54:17
using channel ORA_DISK_1
starting media recovery
media recovery complete, elapsed time: 00:00:00
Finished recover at 2024-12-01 16:54:17
启动数据库open状态
RMAN> alter database open resetlogs;
database opened
SQL> select OPEN_MODE,database_role from v$database;
OPEN_MODE DATABASE_ROLE
READ WRITE PRIMARY
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