Backing up duplicated database in mount mode

Hi all
In our environment we have a live database and a standby database, which is a duplicate of live. We keep this standby database in permanent recovery mode (ie mounted), where archive logs from live are recovered against the standby to keep it up to date. It is opened with 'open resetlogs' whenever we wish to use it. The live database is backed up nightly using RMAN and a recovery catalog on another server.
We are thinking of moving the backup to the standby database to reduce the load on the live database. Given that the standby is the same incarnation and has the same dbid and SID as the live database, is this feasible? When I tried backing up the standby the backup completed without errors, however there was no record of the backup pieces in the recovery catalog. I don't want to have to register them manually.
Has anyone else tried this?
Thanks in advance for any help.

Hello;
Cannot see why it won't work.
Testing on my Test system right now. Primary side complete. Standby running now. Exact same script which I call using :
/u01/app/oracle/dba_tool/bin/db_rman_full.sh PRIMARY > /tmp/rmanfull.out
/u01/app/oracle/dba_tool/bin/db_rman_full.sh STANDBY > /tmp/rmanfull.outWill look for a catalog query to post.
Output from Standby side
Starting RMAN...
Recovery Manager: Release 11.2.0.3.0 - Production on Mon Jan 14 18:23:06 2013
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
connected to target database: PRIMARY (DBID=1608938192, not open)
connected to recovery catalog database
RMAN>
RMAN> 2> 3> 4> 5> 6> 7> 8> 9> 10> 11>
allocated channel: d1
channel d1: SID=84 device type=DISK
allocated channel: d2
channel d2: SID=85 device type=DISK
allocated channel: d3
channel d3: SID=86 device type=DISK
allocated channel: d4
channel d4: SID=87 device type=DISK
Starting backup at 14-JAN-13
channel d1: starting compressed archived log backup set
channel d1: specifying archived log(s) in backup set
input archived log thread=1 sequence=161 RECID=159 STAMP=798463372
input archived log thread=1 sequence=162 RECID=161 STAMP=798487211
channel d1: starting piece 1 at 14-JAN-13
channel d2: starting compressed archived log backup set
channel d2: specifying archived log(s) in backup set
input archived log thread=1 sequence=163 RECID=162 STAMP=798487327
input archived log thread=1 sequence=164 RECID=163 STAMP=798487342
input archived log thread=1 sequence=165 RECID=164 STAMP=798487346
input archived log thread=1 sequence=166 RECID=165 STAMP=798487348
channel d2: starting piece 1 at 14-JAN-13
channel d3: starting compressed archived log backup set
channel d3: specifying archived log(s) in backup set
input archived log thread=1 sequence=167 RECID=167 STAMP=804709042
input archived log thread=1 sequence=168 RECID=166 STAMP=804709041
input archived log thread=1 sequence=169 RECID=168 STAMP=804709089
input archived log thread=1 sequence=170 RECID=169 STAMP=804709198
channel d3: starting piece 1 at 14-JAN-13
channel d4: starting compressed archived log backup set
channel d4: specifying archived log(s) in backup set
input archived log thread=1 sequence=171 RECID=170 STAMP=804709216
input archived log thread=1 sequence=172 RECID=171 STAMP=804709220
input archived log thread=1 sequence=173 RECID=172 STAMP=804709223
channel d4: starting piece 1 at 14-JAN-13
channel d2: finished piece 1 at 14-JAN-13
piece handle=/u01/app/oracle/flash_recovery_area/STANDBY/backupset/2013_01_14/o1_mf_annnn_TAG20130114T182314_8h98cndd_.bkp tag=TAG20130114T182314 comment=NONE
channel d2: backup set complete, elapsed time: 00:00:02
channel d3: finished piece 1 at 14-JAN-13
piece handle=/u01/app/oracle/flash_recovery_area/STANDBY/backupset/2013_01_14/o1_mf_annnn_TAG20130114T182314_8h98coy4_.bkp tag=TAG20130114T182314 comment=NONE
channel d3: backup set complete, elapsed time: 00:00:02
channel d4: finished piece 1 at 14-JAN-13
piece handle=/u01/app/oracle/flash_recovery_area/STANDBY/backupset/2013_01_14/o1_mf_annnn_TAG20130114T182314_8h98cp2n_.bkp tag=TAG20130114T182314 comment=NONE
channel d4: backup set complete, elapsed time: 00:00:01
channel d1: finished piece 1 at 14-JAN-13
piece handle=/u01/app/oracle/flash_recovery_area/STANDBY/backupset/2013_01_14/o1_mf_annnn_TAG20130114T182314_8h98cnbh_.bkp tag=TAG20130114T182314 comment=NONE
channel d1: backup set complete, elapsed time: 00:00:03
Finished backup at 14-JAN-13
Starting backup at 14-JAN-13
channel d1: starting compressed full datafile backup set
channel d1: specifying datafile(s) in backup set
input datafile file number=00001 name=/u01/app/oracle/oradata/PRIMARY/system01.dbf
channel d1: starting piece 1 at 14-JAN-13
channel d2: starting compressed full datafile backup set
channel d2: specifying datafile(s) in backup set
input datafile file number=00002 name=/u01/app/oracle/oradata/PRIMARY/sysaux01.dbf
channel d2: starting piece 1 at 14-JAN-13
channel d3: starting compressed full datafile backup set
channel d3: specifying datafile(s) in backup set
input datafile file number=00003 name=/u01/app/oracle/oradata/PRIMARY/undotbs01.dbf
channel d3: starting piece 1 at 14-JAN-13
channel d4: starting compressed full datafile backup set
channel d4: specifying datafile(s) in backup set
input datafile file number=00004 name=/u01/app/oracle/oradata/PRIMARY/users01.dbf
channel d4: starting piece 1 at 14-JAN-13
channel d3: finished piece 1 at 14-JAN-13
piece handle=/u01/app/oracle/flash_recovery_area/STANDBY/backupset/2013_01_14/o1_mf_nnndf_TAG20130114T182319_8h98ctdg_.bkp tag=TAG20130114T182319 comment=NONE
channel d3: backup set complete, elapsed time: 00:00:03
channel d4: finished piece 1 at 14-JAN-13
piece handle=/u01/app/oracle/flash_recovery_area/STANDBY/backupset/2013_01_14/o1_mf_nnndf_TAG20130114T182319_8h98cv6l_.bkp tag=TAG20130114T182319 comment=NONE
channel d4: backup set complete, elapsed time: 00:00:03
channel d2: finished piece 1 at 14-JAN-13
piece handle=/u01/app/oracle/flash_recovery_area/STANDBY/backupset/2013_01_14/o1_mf_nnndf_TAG20130114T182319_8h98ctcs_.bkp tag=TAG20130114T182319 comment=NONE
channel d2: backup set complete, elapsed time: 00:01:06
channel d1: finished piece 1 at 14-JAN-13
piece handle=/u01/app/oracle/flash_recovery_area/STANDBY/backupset/2013_01_14/o1_mf_nnndf_TAG20130114T182319_8h98ct7p_.bkp tag=TAG20130114T182319 comment=NONE
channel d1: backup set complete, elapsed time: 00:01:26
Finished backup at 14-JAN-13
Starting backup at 14-JAN-13
specification does not match any archived log in the repository
backup cancelled because there are no files to backup
Finished backup at 14-JAN-13
Starting Control File and SPFILE Autobackup at 14-JAN-13
piece handle=/u01/app/oracle/flash_recovery_area/STANDBY/autobackup/2013_01_14/o1_mf_s_804709223_8h98gnn4_.bkp comment=NONE
Finished Control File and SPFILE Autobackup at 14-JAN-13
released channel: d1
released channel: d2
released channel: d3
released channel: d4
Additional Info
RC_BACKUP_SET_DETAILS shows:
SESSION_KEY 4870 ( primary side) and 5003 ( Standby side) and start times of 6:18PM and 6:23PM. So I did a full on the primary side and then a full on the Standby side on my tiny test system. Works.
When backing up from Standby some RMAN setting should change - Like ARCHIVE DELETION POLICY ( NONE ).
You might want to do Archive only backups on the Primary so you roll forward if needed.
See - "RMAN in a Data Guard Environment" Chapter 3 Database Backup and Recovery User's Guide 11g Release 2 (11.2) E10642-03
Best Regards
mseberg
Edited by: mseberg on Jan 14, 2013 6:28 PM
Edited by: mseberg on Jan 14, 2013 6:51 PM

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T ID KEY MODE OWNER GROUP NATTCH CPID LPID
Shared Memory:
m 0 0×411c29d6 –rw-rw-rw- root root 0 899 899
m 1 0×4e0c0002 –rw-rw-rw- root root 2 899 901
m 2 0×4120007a –rw-rw-rw- root root 2 899 901
m 458755 0×0c6629c9 –rw-r—– root sys 2 9113 17065
m 4 0×06347849 –rw-rw-rw- root root 1 1661 9150
m 65541 0xffffffff –rw-r–r– root root 0 1659 1659
m 524294 0×5e100011 –rw——- root root 1 1811 1811
m 851975 0×5fe48aa4 –rw-r—– oracle oinstall 66 2017 25076
然后它ID号清除共享内存段：
$ipcrm –m 851975
对于信号量，可以用以下命令查看：
$ ipcs -sop
IPC status from /dev/kmem as of Thu Jul 6 14:44:16 2006
T ID KEY MODE OWNER GROUP
Semaphores:
s 0 0×4f1c0139 –ra——- root root
s 14 0×6c200ad8 –ra-ra-ra- root root
s 15 0×6d200ad8 –ra-ra-ra- root root
s 16 0×6f200ad8 –ra-ra-ra- root root
s 17 0xffffffff –ra-r–r– root root
s 18 0×410c05c7 –ra-ra-ra- root root
s 19 0×00446f6e –ra-r–r– root root
s 20 0×00446f6d –ra-r–r– root root
s 21 0×00000001 –ra-ra-ra- root root
s 45078 0×67e72b58 –ra-r—– oracle oinstall
根据信号量ID，用以下命令清除信号量：
$ipcrm -s 45078
如果是 oracle 进程没有关闭，用以下命令查出存在的 oracle 进程：
$ ps -ef|grep ora
oracle 29976 1 0 Jun 22 ? 0:52 ora_dbw0_ora92
oracle 29978 1 0 Jun 22 ? 0:51 ora_dbw1_ora92
oracle 5128 1 0 Jul 5 ? 0:00 oracleora92 (LOCAL=NO)
然后用kill -9命令杀掉进程
$kill -9 <PID>
总结：
当发生1102错误时，可以按照以下流程检查、排错：
1.如果是HA系统，检查其他节点是否已经启动实例；
2.检查 oracle 进程是否存在，如果存在则杀掉进程；
3.检查信号量是否存在，如果存在，则清除信号量；
4.检查共享内存段是否存在，如果存在，则清除共享内存段；
5.检查锁内存文件lk<sid>和sgadef<sid>.dbf是否存在，如果存在，则删除

No, its still not helping..even after trying to kill the semaphores:
/opt/oracle/product/db10g/dbs (ac4orcloms01-ac4:emrep)> ipcs
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 0 oracle 640 538968064 1 dest
0x00000000 32769 oracle 600 192 1 dest
0x00000000 65538 oracle 600 1474564 8 dest
------ Semaphore Arrays --------
key semid owner perms nsems
------ Message Queues --------
key msqid owner perms used-bytes messages
/opt/oracle/product/db10g/dbs (ac4orcloms01-ac4:emrep)> ipcrm -m 32769
/opt/oracle/product/db10g/dbs (ac4orcloms01-ac4:emrep)> ipcrm -m 65538
/opt/oracle/product/db10g/dbs (ac4orcloms01-ac4:emrep)> ipcs
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 0 oracle 640 538968064 1 dest
0x00000000 32769 oracle 600 192 1 dest
0x00000000 65538 oracle 600 1474564 8 dest
------ Semaphore Arrays --------
key semid owner perms nsems
------ Message Queues --------
key msqid owner perms used-bytes messages
/opt/oracle/product/db10g/dbs (ac4orcloms01-ac4:emrep)> ps -e f|grep emrep
3273 ? Ds 0:00 ora_ckpt_emrep
/opt/oracle/product/db10g/dbs (ac4orcloms01-ac4:emrep)>

Pls need your help!! ORA-01102: cannot mount database in EXCLUSIVE mode

I really appreciate if you can help me.
In the test environment Oracle 10g r2, I was trying to change some init.ora parameters and some flashback database parameters. Flashback required to start in mount exclusive, and the init parameters only start mount. I do not know the difference between mount and mount exclusive. i used start mount exclusive to alter all the parameters. At the end, I used ALTER DATABASE OPEN. Now, I can't start the database. The following is the error that I am getting. Can you explain the difference between start mount and start mount exclusive.
Thanks, Terry
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options
SQL> startup mount;
ORA-01081: cannot start already-running ORACLE - shut it down first
SQL> shutdown immediate;
ORA-01507: database not mounted
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Total System Global Area 612368384 bytes
Fixed Size 1980616 bytes
Variable Size 230688568 bytes
Database Buffers 377487360 bytes
Redo Buffers 2211840 bytes
ORA-01102: cannot mount database in EXCLUSIVE mode

sidney$ ps -ef| grep ora_
oracle 13663 1 0 16:39:46 ? 0:00 ora_mmon_orcl
oracle 13150 1 0 14:46:07 ? 0:00 ora_q000_orcl
oracle 13105 1 0 14:45:29 ? 0:02 ora_dbw0_orcl
oracle 13107 1 0 14:45:29 ? 0:01 ora_lgwr_orcl
oracle 13117 1 0 14:45:30 ? 0:04 ora_mmon_orcl
oracle 13099 1 0 14:45:28 ? 0:01 ora_pmon_orcl
oracle 13119 1 0 14:45:30 ? 0:05 ora_mmnl_orcl
oracle 13113 1 0 14:45:30 ? 0:00 ora_reco_orcl
oracle 13115 1 0 14:45:30 ? 0:01 ora_cjq0_orcl
oracle 13136 1 0 14:45:51 ? 0:00 ora_arc0_orcl
oracle 13152 1 0 14:46:07 ? 0:00 ora_q001_orcl
oracle 13126 1 0 14:45:36 ? 0:01 ora_rvwr_orcl
oracle 13680 13615 0 16:46:00 pts/6 0:00 grep ora_
oracle 13667 1 0 16:39:46 ? 0:00 ora_d000_orcl
oracle 13101 1 0 14:45:28 ? 0:01 ora_psp0_orcl
oracle 13142 1 0 14:45:56 ? 0:00 ora_qmnc_orcl
oracle 13138 1 0 14:45:52 ? 0:00 ora_arc1_orcl
oracle 13121 1 0 14:45:30 ? 0:00 ora_d000_orcl
oracle 13655 1 0 16:39:45 ? 0:00 ora_ckpt_orcl
oracle 13103 1 0 14:45:28 ? 0:01 ora_mman_orcl
oracle 13669 1 0 16:39:46 ? 0:00 ora_s000_orcl
oracle 13653 1 0 16:39:45 ? 0:00 ora_lgwr_orcl
oracle 13649 1 0 16:39:44 ? 0:01 ora_mman_orcl
oracle 13123 1 0 14:45:31 ? 0:00 ora_s000_orcl
oracle 13647 1 0 16:39:44 ? 0:00 ora_psp0_orcl
oracle 13659 1 0 16:39:45 ? 0:00 ora_reco_orcl
oracle 13111 1 0 14:45:29 ? 0:04 ora_smon_orcl
oracle 13109 1 0 14:45:29 ? 0:04 ora_ckpt_orcl
oracle 13665 1 0 16:39:46 ? 0:00 ora_mmnl_orcl
oracle 13678 1 0 16:45:05 ? 0:00 ora_j000_orcl
oracle 13651 1 0 16:39:45 ? 0:00 ora_dbw0_orcl
oracle 13657 1 0 16:39:45 ? 0:00 ora_smon_orcl
oracle 13645 1 0 16:39:44 ? 0:00 ora_pmon_orcl
oracle 13661 1 0 16:39:46 ? 0:00 ora_cjq0_orcl
sidney$

Creating a duplicated database from active database

I'm having problem trying to duplicate a database from a target database (PROD) to the auxiliary one (AUX).
This is what I've configured:
listener.ora
SID_LIST_LISTENER =
(SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = PROD)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1/)
      (SID_NAME = PROD)
    (SID_DESC =
      (GLOBAL_DBNAME = AUX)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1/)
      (SID_NAME = AUX)
LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = my_ip)(PORT = 1521))
ADR_BASE_LISTENER = /u01/app/oracletnsnames.ora
AUX =
(DESCRIPTION =
    (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = my_ip)(PORT = 1521)))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = AUX)
PROD =
(DESCRIPTION =
    (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = my_ip)(PORT = 1521)))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = PROD)
)/u01/app/oracle/product/11.2.0/db_1/dbs/initAUX.ora
db_name='AUX'
cp /u01/app/oracle/product/11.2.0/db_1/dbs/orapwPROD /u01/app/oracle/product/11.2.0/db_1/dbs/orapwAUX- Started PROD database (open and in archive log mode)
- Started AUX database (in nomount mode and usinf pfile='/u01/app/oracle/product/11.2.0/db_1/dbs/initAUX.ora')
But when I issue the following command I get connected to auxiliary database (not started) :
rman target sys/oracle@PROD auxiliary sys/oracle@AUX
connected to target database: PROD (DBID=196032563)
connected to auxiliary database (not started)And executing the duplicate command it returns:
RMAN> duplicate target database to AUX from active database spfile parameter_value_convert '/DATA/PROD/','+DG_DATA_AUX' set db_create_file_dest='+DG_DATA_AUX';
Starting Duplicate Db at 2010-09-28:13:36:50
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 09/28/2010 13:36:50
RMAN-06403: could not obtain a fully authorized session
RMAN-04006: error from auxiliary database: ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux-x86_64 Error: 2: No such file or directorylsnrctl stopped and restarted several times. This is the output of lsnrctl status command:
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 28-SEP-2010 13:45:14
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=my_ip)(PORT=1521)))
STATUS of the LISTENER
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date                28-SEP-2010 12:44:50
Uptime                    0 days 0 hr. 1 min. 22 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Listener Log File         /u01/app/oracle/diag/tnslsnr/my_ip/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=my_ip)(PORT=1521)))
Services Summary...
Service "PROD" has 1 instance(s).
Instance "PROD", status READY, has 1 handler(s) for this service...
Service "PRODXDB" has 1 instance(s).
Instance "PROD", status READY, has 1 handler(s) for this service...
Service "AUX" has 2 instance(s).
Instance "AUX", status UNKNOWN, has 1 handler(s) for this service...
Instance "AUX", status BLOCKED, has 1 handler(s) for this service...
The command completed successfullyI have already created a duplicated database from a backup of the target one and the configuration was quite the same: the differences are that using active database duplication I needed to use orapw files (and they need to have the same password) and that I needed to connect using Oracle Net service name to connect to the auxiliary instance.. otherwise I got:
export ORACLE_SID=AUX
rman target sys/oracle@PROD auxiliary sys/oracle
connected to target database: PROD (DBID=196032563)
connected to auxiliary database: AUX (not mounted)
RMAN> duplicate target database to AUX from active database spfile parameter_value_convert '/DATA/PROD/','+DG_DATA_AUX' set db_create_file_dest='+DG_DATA_AUX';
Starting Duplicate Db at 2010-09-28:12:27:21
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 09/28/2010 12:27:21
RMAN-06217: not connected to auxiliary database with a net service nameWhere am I wrong?

Thanks for your support. My instance was and is still in nomount mode. But I'm not able to connect this instance as auxiliary and in the right expected mode:
connected to auxiliary database: AUX (not mounted)
[oracle@my_ip oracle]$ env|grep SID
ORACLE_SID=AUX
[oracle@my_ip oracle]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Wed Sep 29 10:28:44 2010
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
idle> shutdown immediate
ORA-01507: database not mounted
ORACLE instance shut down.
idle> startup nomount pfile=/u01/app/oracle/product/11.2.0/db_1/dbs/initAUX.ora
ORACLE instance started.
Total System Global Area 217157632 bytes
Fixed Size                  2211928 bytes
Variable Size             159387560 bytes
Database Buffers           50331648 bytes
Redo Buffers                5226496 bytes

Database in Archivelog mode

Hi
All,
I have oracle 9.2.0.6 at my workplace.right now my database running in ARCHIVELOG MODE. I want to set it to NOARCHIVELOG MODE.
can I do on the fly? in other way, Do I need to shutdown and restart database?
Any help will be appreciated.
Thanks,
Vishal

Hi,
Issue the following commands to put a database into NOARCHVELOG mode:
1) Take Back up of Present SPfile by creating pfile
create pfile from present spfile.
2) Shutdown the database by SUTDOWN IMMEDIATE.
3) Take Cold backup of the database.
4) Change the parameter in the pfile.
log_archive_start = FALSE
#log_archive_dest_1 = 'LOCATION='Your location'
log_archive_dest_state_1 = DISABLE
#log_archive_format = %d_%t_%s.arc
5) And make a spfile from the modified pfile in default location .
6) Start the database with spfile.
SQL> CONNECT sys AS SYSDBA
SQL> STARTUP MOUNT ;
SQL> ALTER DATABASE ARCHIVELOG;
SQL> ARCHIVE LOG START;
SQL> ALTER DATABASE OPEN;
NOTE 1: Remember to take a baseline database backup right after disabling archivelog mode. Without it one would not be able to recover.
Regards
Jafar

Backing up duplicated database in mount mode

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