Suddenly slow rman backup in oracle 11g

Hello

from yestarday suddenly rman backup incremental to take more than 3 hours, what was supposed to be 20 mins

nothing has changed since the database, so how can I find the cause of the delay

Thank you

What is the version?
You can trace the order and activate 10046 trace as sql regular... And analyze using tkprof.
You can refer
RMAN backup is very slow, selecting from V$ RMAN_STATUS [375386.1 ID]. This note cannot be directly related
to your problem, but there are commands for activating 10046 trace in that.

Tags: Database

Similar Questions

RMAN backup optimization CANCEL 11g
Hi all?

I tested 11g RMAN CANCEL backup optimization
1 I filled out by manipulation sql undo tablespace and not commit
2nd undo_ts backed up by RMAN (size 24 m)
3rd I made a commit
Then the tablespace undo supported again but the backup_size column has not changed (24 m)
Then I did some more manipulations and supported undo_ts again. This reduced time backup_size column. (11 m)
Then I rebooted db and saved to undo_ts again. Size of backup at this time became what I expected (600K)

The question is why did not reduce the size 11 g rman undo tablespace backups after validation?
According to 11 g cancel optimization to

...
SQL > select sum (bytes) of dba_free_space where nom_tablespace = 'UNDOTBS2 ';
SUM (BYTES)
13172736
SQL > start
because me 1.100000 loop
insert into testundo values (i);
end loop;
end;
/
2 3 4 5 6
PL/SQL procedure successfully completed.
SQL > SQL > update of testundo game
ID = 2 where id > 0;
2
Update testundo set
*
ERROR on line 1:
ORA-30036: unable to extend segment by 8 in undo tablespace "UNDOTBS2".
SQL > select sum (bytes) of dba_free_space where nom_tablespace = 'UNDOTBS2 ';
Sum (bytes)
RMAN > backup datafile 6;

RMAN > backup from the list of the 6 data file;

List of backup sets
===================

Time of accomplishment BS key Type LV size device Type elapsed time
10 full * 24.54M* DISK 00:00:04 June 10, 10
BP key: 10 location: AVAILABLE Tablet: NO Tag: TAG20100610T142437
Part name: /home/oracle/flash_recovery_area/11GR1/backupset/2010_06_10/o1_mf_nnndf_TAG20100610T142437_611ctr1f_.bkp
List of files of data backup set 10
Name of file LV Type cash SNA cash time
6 integer 577669 /home/oracle/oradata/11GR1/datafile/undotbs2.dbf 10 June 10

SQL > commit;

Full validation.
RMAN > backup datafile format 6 "after commit.backup";

RMAN > backup from the list of the 6 data file;

List of backup sets
===================

Time of accomplishment BS key Type LV size device Type elapsed time
11 full * 24.54M* DISK 00:00:02 June 10, 10
BP key: 11 location: AVAILABLE Tablet: NO Tag: TAG20100610T142541
Item name: / home/oracle/product/11/Db_1/dbs/after commit.backup
List of files of data backup set 11
Name of file LV Type cash SNA cash time
6 integer 577705 /home/oracle/oradata/11GR1/datafile/undotbs2.dbf 10 June 10

SQL > alter system archive log current;
Modified system.
SQL > commit;
Validation complete.
SQL > select count (*) in the testundo;
COUNT (*)
100000
SQL > delete from testundo;
100000 deleted rows.
SQL > commit;
Validation complete.
SQL > insert into testundo values (1);
1 line of creation.
SQL > commit;
Validation complete.
SQL > alter system flush buffer_cache;
Modified system.
RMAN > backup datafile 6;

RMAN > backup from the list of the 6 data file;

List of backup sets
===================

Time of accomplishment BS key Type LV size device Type elapsed time
13 full * 11.03M* DISK 00:00:01 June 10, 10
BP key: 13 status: AVAILABLE Tablet: NO Tag: TAG20100610T143359
Part name: /home/oracle/flash_recovery_area/11GR1/backupset/2010_06_10/o1_mf_nnndf_TAG20100610T143359_611dd8sz_.bkp
List of files to backup data value 13
Name of file LV Type cash SNA cash time
6 integer 578410 /home/oracle/oradata/11GR1/datafile/undotbs2.dbf 10 June 10

RMAN >

SQL > shutdown immediate;
The database is closed.
The database is dismounted.
ORACLE instance stops.
SQL > startup
ORACLE instance started.

Total System Global Area 393375744 bytes
Bytes of size 1300156 fixed
352323908 variable size bytes
33554432 buffers of data bytes
Redo buffers 6197248 bytes
Mounted database.
Open database.
SQL >
RMAN > backup datafile 6;
RMAN > backup from the list of the 6 data file;

List of backup sets
===================

Time of accomplishment BS key Type LV size device Type elapsed time

Full 14 * DISK 00:00:02 600.00K* 10 June 10
BP key: 14 location: AVAILABLE Tablet: NO Tag: TAG20100610T152843
Part name: /home/oracle/flash_recovery_area/11GR1/backupset/2010_06_10/o1_mf_nnndf_TAG20100610T152843_611hlwmv_.bkp
List of defined backup data files 14
Name of file LV Type cash SNA cash time

6 integer 580347 /home/oracle/oradata/11GR1/datafile/undotbs2.dbf 10 June 10

Thanks in advance
Turkel
Hi Turkel,
Space used to cancel is also linked to the undo retention implementation.
As it seems do you an update of test and perform backups on:
-14: 24:37 (-> 25 M)
-14: 25:41 (-> 25 M)
-14:33:59 (-> 11 M)
-15: 28:43 (-> 600 K)
The first two backups are probably still in the retention period to cancel the update.
The third backup shows a cancellation partly empty (is your setting 900?).
The last falls outside the period of retention for the update, resulting the small size of backup.
Kind regards
Tycho

Oracle 11g with Oracle 9i RMAN backup
Dear all

Can we do the backup of Oracle 11g with Oracle 9i RMAN database, is it possible and did everything a try this?

Thanks in advance.

concerning
Yes its possible.

Check this matrix,

http://download.Oracle.com/docs/CD/E11882_01/backup.112/e10643/compat003.htm#i634479

HTH
Aman...

Published by: Aman... on January 11, 2010 18:07
updated the link from 11.1 to 11.2 docs.

Oracle 10.2.0.3 move an rman backup

We do a rman level 0 every weekend and level 1 every day. I want to keep away the last copies of weeks on another hard drive to save space. I guess that is done from rman? If so, can what commands I use?

jdaniel1127 wrote:

Currently have 10.2.0.3 on Windows Server 2008...

I have configured the channels as follows:

channel 1 device type disk format='f:\rman_backups\rman%u.bus' (this corresponds to the current files on g:\backups\)

Channel 2 device type disk format='f:\archive_logs\arc%s%r.%t' (this corresponds to the current archive on g:\oracle\ora10gtemp\database\)

I have 11 files in the backup (3 to 7/29, 1 for 7/30, 3 for 8/2, 2 for the 8/7 and 8/8 2) 8/7 and 8/8 are incremental...

I had 80 files from 2012 until today of the archive logs (10 M each...)

I'm moving all archive logs and files backup of G: that 652 g free to F: which has 4.6 free...

RMAN > backup backupset disk device;

From backup 8 August 14

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid = 146 devtype = DISK

entry count = 4 = 787850080 = July 5, 12 creation_time stamp backupset

channel ORA_DISK_1: starting piece 1 to August 8, 14

channel ORA_DISK_1: backup G:\ORACLE\ORA10GTEMP\DATABASE\C-4285664692-2012 piece

0705-00

room handle=F:\RMAN_BACKUPS\RMAN04NFB8R0_1_4.BUS comment = NONE

channel ORA_DISK_1: finished piece 1 to August 8, 14

channel ORA_DISK_1: complete set of backups, time: 00:00:03

entry count = 5 stamp = 787850384 = July 5, 12 creation_time backupset

channel ORA_DISK_1: starting piece 1 to August 8, 14

channel ORA_DISK_1: backup G:\BACKUPS\RMAN05NFB94G_1_1.BUS piece

RMAN-00571: ===========================================================

RMAN-00569: = ERROR MESSAGE STACK FOLLOWS =.

RMAN-00571: ===========================================================

RMAN-03009: failure of the backup command on the channel ORA_DISK_1 at 11:40 08/08/2014:

17

ORA-19505: impossible to identify the file 'G:\BACKUPS\RMAN05NFB94G_1_1.BUS '.

ORA-27041: could not open the file

04002 - OSD: could not open the file

S/O-error: (OS 2) the system cannot find the file specified.

ORA-19600: input file is backup piece (G:\BACKUPS\RMAN05NFB94G_1_1.BUS)

ORA-19601: output file is backup piece (F:\RMAN_BACKUPS\RMAN05NFB94G_1_2.BUS)

It seems that your element of backup G:\BACKUPS\RMAN05NFB94G_1_1.BUS gone "bath of crowd". In other words, a person removed at the OS level... and so rman always think it is, but finds then this isn't.

RMAN backup is too slow

Hello
I have the oracle database (11 GR 1 material) 64 bit installed on 64-bit Windows 2003 R2 server. MY DB size is almost 152 GB and its operation in log mode archive. When I run the RMAN backup, its takes too long, it took 22 hours and still functioning, I'm not sure why it is that consumes a lot of time...
I use RMAN script below...
Run {}
allocate channels ch1 disc type;
backup FILESPERSET 32
format tag 'F:\RMAN_BACKUP\%d_t%t_s%s_FULL' Full_DATABASE_07_july_13
(database)
COURSE CONTROLFILE, SPFILE;
SQL 'alter system archive log current;
backup FILESPERSET 200
format 'F:\RMAN_BACKUP\ARC_%d_%s_%t '.
(archivelog all);
output channel ch1.
}
Kindly help me and what's wrong in this please tell me. Also tell me if any other necessary information...
Thank you and best regards,
John of Vikash

It also depends on your storage system. What is your speed on the RMAN disk?

If you have enough flow, then you must complete this debit allocate more channels.

If your drive canprovide you 1 Gbit/s, then it will take 152 seconds to get the backup.

What is your rate?

"Is it possible to oracle 11g DB without journal Archive OEL 5 of the backup mode.
Hai everybody,

I am new to oracle, I want to take the online backup without log mode Archive is possible? due to the database to archive performance is little low, that if our database is in no fashion show archive log cannot be greater? Oracle 11g provides another way to perform a backup online without log mode archive?

concerning
George
```
At the time of database archiving is it take system resources?
you mean if db is in archive mode the db works the same like noarchive mode
```
How long to read the documentation on the archivelog/noarchivelog mode?

How long you have used to get the answer here?

worth it?

Please check this:
http://docs.Oracle.com/CD/B28359_01/server.111/b28310/archredo002.htm
If you get any related question tell us and we try to solve, otherwise close this thread by marking as replied.

Oracle 11g install on Vista is VERY VERY SLOW
Hey everybody,

I just got my work PC upgraded to Windows Vista and I am trying to get Oracle 11g installed on it. I started the installation process, but this thing moves super slow. It happened for about 2 hours and it is only 9%.

Is there something I can do to speed up the process? Can I disable some sort of indexing file space? Are there any Vista background that I have to close during the installation?

Thanks in advance!

-Joe
Joe,

They installed Service Pack 2 for Vista. Also, it is the 32-bit version or the 64-bit version?

Charles Hooper
IT Manager/Oracle DBA
K & M-making Machine, Inc.

Import of schemas and tables of RMAN backup

Hi all
I have here are 3 requirements:
(1) is it possible that I can import a single table using RMAN backup, because I have no more than one day of EXPDP dump file and the requirement is to store the data of three days.
(2) is it possible that I can import a single SCHEMA using RMAN backup, because I have no more than one day of EXPDP dump file and the requirement is to store the data of three days.
(3) can I import a package from the RMAN backup?
I have incremental backup of level 1 and level 0.
My database is 11.2.0.3
Thank you and best regards,
Mukesh

Hi Mukesh,

All of your needs can be met with output up to 11g using RMAN database, but beyond of 12 c, you can restore a single table RMAN backup (RMAN BACK TABLE new feature to the 12 c (Doc ID 1521524.1) Oracle database). For your condition impdp/expdp is the best Utilities option until oracle provided up to version 11 g.

I hope this helps.

Kind regards

11g win backup restore to 11g oel

Hello
I have 11.2.0.3 db on win 7 and 11.2.0.3 Oracle Unbreakable Linux 6.7 software
and I'm planinng of installation Data Guard between those two so the DB on win 7 is the main and
on Linux is data custody.
I can do it like this:
(a) to perform rman full backup on win 7
(b) move files of rman for linux 6
(c) restore those files on the 11 g linux server instalation
(d) set up dataguard
Build, it works?
What about the datafile, redo the location of newspapers?
I have to make some changes?

There are several ways to do this-starting http://gavinsoorma.com/2011/11/oracle-11g-cross-platform-active-standby-windows-primary-database-and-linux-active-standby/ or http://oraclehariprasathdba.blogspot.ie/2013/03/oracle-11g-cross-platform-active.html

RMAN backup on the database with data file with corrupted block

Hi friends,
I have a problem with a database of oracle 11g XE on windows server 2003, the database is in production, it is open, is operating normally.
The database has no backup configured before, so I put the database archiving mode and tried to backup using rman utility, but it show me some errors.
First of all, it showed me:
ORA-19501: error in reading file... SYSAUX. DBF
ORA-27070: async read/write failed
OSD-04016: error queuing an asynchronous i/o request.
And when I passed the dbv on the SYSAUX file utility. DBF showed the fatal error.
So, I switched CHKDSK utility on windows to repair the disc of the error. After that, run utility dbv and he passed and showed me the corrupt on SYSAUX blocks. DBF
Then, came to rman and ran:
RMAN > validate the logical database checking;
State of the file marked corrupt blocks examined empty blocks high YVERT
---- ------ -------------- ------------ --------------- ----------
3 0 1111 115840 78859075 FAILED
File name: C:\ORACLEXE\APP\ORACLE\ORADATA\XE\SYSAUX. DBF
Type block for lack of treated blocks blocks
---------- -------------- ----------------
Data 0 0
Index 0 0
Other 38 114729
After that: watching the content of v$ database_block_corruption;
Show me a lot of lines like this:
SQL > select * from v$ database_block_corruption;
FOLDER # BLOCK # BLOCKS CORRUPTION_CHANGE # CORRUPTIO
---------- ---------- ---------- ------------------ ---------
3 4440 1 FRACTURED 0
3 4439 1 0 ZERO ALL THE
3 4386 2 FRACTURED 0
3 4384 1 0 ZERO ALL THE
3 4334 1 0 ZERO ALL THE
...
33 selected lines.
Finally I try to rerun rman and he shows me the error:
ORA-19566: exceeded the limit of 0 blocks corrupt file C:\ORACLEXE\APP\ORACLE\ORADATA\XE\SYSAUX. DBF
How can I do backup with rman? Maybe I can by pass the corrupt block?
I'll be grateful for any help you can provide.

=)

It would be better if you try to find the reason of corruption and try to recover the corrupt blocks. A block corrupted in the backup would really not must use. But if you're ready to take backup, you can ask RMAN to ignore corrupt blocks and move forward.

Use the pseudo-code for the backup

Run {set maxcorrupte for the database to 10;

backup tablespace sysaux ;}

HTH

Aman...

How to create a database in the server-2 based on the game of RMAN backup in server-1

Hi all
I need help related to RMAN backup in the following scenario, my server-1 details are given below.
* Operating system-Windows server 2012 R2 Standard Edition
* Oracle Database 11 g Enterprise Edition Release 11.2.0.1.0 - 64 bit Production
PL/SQL Release 11.2.0.1.0 - Production
CORE 11.2.0.1.0 Production
AMT for 64-bit Windows: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production,
I have configured RMAN and level 0 and backup of level 1 with on the external HARD drive.
all the RMAN backup is located in this drive external HARD only, same archivelog.
My question is,
How to create a database to Server-2 based on the RMAN backup I took in server-1.
It's to help me create a server test and even if the server-1 crash, then I can create a database in the new server-2 with backup I took on the external HARD drive.
Is it possible to achieve the same or not. Kindly suggest me or share a good Internet link or document and share your knowledge to achieve my need of stimulus. This will really help me

It does not matter whether you use ASM. The link above should guide you on how to change the file names of data before restoring if the location of the data file on server 2 will be different from server 1.

Since you asked for 11g binding, it is here

http://shivanandarao-Oracle.com/2012/04/28/duplicating-database-without-connecting-to-target-database-or-catalog-database-in-Oracle-11g/

Kind regards

Shivananda

RMAN backup error

Hello
I get an error when you try to run an Oracle database backup using a windows batch file that calls a settings file to execute RMAN commands. This is handled by the windows scheduler.
It's been in place for several months and worked fine until today.
Oracle Version - 11G 11.2.0.2.0
OS - Windows server 2008 R2
* Note *-I have changed for security reasons password and company information.
Here are the contents of the batch file:
echo: [email protected] > > \\CCCODS09\c$\Support\DB_Backup\Max.log
echo to: [email protected] > > \\CCCODS09\c$\Support\DB_Backup\Max.log
Echo subject: Max Backup log > > \\CCCODS09\c$\Support\DB_Backup\Max.log
RMAN @\\CCCODS09\c$\Support\DB_Backup\Max.txt > > \\CCCODS09\c$\Support\DB_Backup\Max.log
copy \\CCCODS09\c$\Support\DB_Backup\Max.log \\ccvmds51\c$\inetpub\mailroot\Pickup\email.txt
del \\CCCODS09\c$\Support\DB_Backup\Max.log
Here is the content of the Max.txt settings file:
connect sys/password@maxof target;
Run {}
backup as compressed backupset actual additional database tag 0 = = "format='\\cccobu02\oracle\cccods09\Max\%T_Max-HOT-BACKUP-OF-FULL-DATABASE-AND-LOGS-DATAFILE-%U.BKP';
backup as compressed backupset archivelog all delete tag all input = "format='\\cccobu02\oracle\cccods09\Max\%T_Max-HOT-BACKUP-OF-FULL-DATABASE-AND-LOGS-LOGFILE-%U.BKP';
backup as compressed backupset current controlfile tag = "format='\\cccobu02\oracle\cccods09\Max\%T_Max-HOT-BACKUP-OF-FULL-DATABASE-AND-LOGS-CONTROLFILE-%U.BKP";
}
"exit";
And here is the log file:
Recovery Manager: release 11.2.0.2.0 - Production on Mon Nov 17 05:30 2014
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
RMAN > Connect target *.
2 > run {}
3>           = backup as compressed backupset actual additional database tag 0 = "format='\\cccobu02\oracle\cccods09\Max\%T_Max-HOT-BACKUP-OF-FULL-DATABASE-AND-LOGS-DATAFILE-%U.BKP';
4>           backup as compressed backupset archivelog all delete tag all input = "format='\\cccobu02\oracle\cccods09\Max\%T_Max-HOT-BACKUP-OF-FULL-DATABASE-AND-LOGS-LOGFILE-%U.BKP';
5>           as a compressed backupset backup current controlfile tag = "format='\\cccobu02\oracle\cccods09\Max\%T_Max-HOT-BACKUP-OF-FULL-DATABASE-AND-LOGS-CONTROLFILE-%U.BKP ';
{6 >}
7 > exit;
connected to target database: MAX (DBID = 1234567890)
From backup 17 November 14
DBGSQL: TARGET > select nvl (max (al.recid), '0'), nvl (max (al.recid), 0) in : txtparmvalue,: parmvalue of al v$ archived_log where in al.status ('X', 'A') and al.is_recovery_dest_file = 'YES' and al.creator = "RMAN"
DBGSQL: SQLCODE = 1008
RMAN-00571: ===========================================================
RMAN-00569: = ERROR MESSAGE STACK FOLLOWS =.
RMAN-00571: ===========================================================
RMAN-03002: failure of the backup at 17/11/2014 05:30:16 command
RMAN-03014: implicit recovery catalog Resync failed
ORA-01008: not all variables
Complete recovery manager.
If you need more information please let me know.
Any help to fix this would be appreciated.
Thank you

Hello

This is considered to be a bug for 11.2.0.2 version.

Please see this document of MOS

ORA-01008: RMAN backup does not work with assorted errors 11.2.0.2 If cursor sharing is turned on (Doc ID 1472116.1)

Kind regards

Shivananda

Cannot retrieve table of rman backup

For the test, I want to recover the deleted table of rman backup.
I do oracle 11g VM. the next step, I've applied but could not recover the table.
RMAN > backup database;
On sqlplus create connect scott/Tiger
create table scott.emp1 (col1 varchar2 (10));
Insert into the value emp1 (col1) ('Young');
commit;
Select * from emp1.
He shows me a single line successfully.
Now, I have connection to the sys as sysdba
sqlplus > alter system switch logfile;
After I remove the table.
Now to retrieve the table I restored the database on the same virtual machine.
RMAN > restore database;
RMAN > restore database;
RMAN > alter database open;
sqlplus I've issued
sqlplus > select * from scott.emp1;
table or view does not exist.
any help how to recover the deleted table of rman backup

Hello

Check this test scenario

SQL > create table TEST2 in select * from emp;

Table created.

SQL > select count (*) from TEST2;

COUNT (*)

----------

15

SQL > select TO_CHAR (SYSDATE, "MON-DD-YYYY HH24:MI:SS) twice;

TO_CHAR (SYSDATE,'DD-)

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

2013-SEPT-10 10:57:05

SQL > alter system switch logfile;

Modified system.

SQL > drop table TEST2 is serving;

Deleted table.

SQL > immediate shu

rman target $ [oracle@vnode MYSHELL].

Recovery Manager: release 11.2.0.2.0 - Production kills Sep 10 10:58:39 2013

Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.

connected to target database: DDTEST (DBID = 1667776968, is not open)

RMAN > run {}

until ' to_date (' 10 10:57 ',' yyyy Sep 2013 my dd HH24 ') ";

restore the database;

recover the database;

ALTER database open resetlogs;

} 2 > 3 > 4 > 5 > 6 >

...........

...........

media recovery complete, duration: 00:00:02

Finished recover 13 / SEP / 10

open database

RMAN > exit

SQL > define pages of lin 200 100

SQL > select count (*) from test2;

COUNT (*)

----------

15

HTH

Can I plug in (food) a tablespace, RMAN backup in another DB?
11.2.0.3/AIX 6.1

We accidentally dropped a DB development without taking the last backup expdp of a basic scheme. All objects on this schema belong to the single tablespace and we have this tablespace RMAN backup. Is there anyway we could recreate this pattern by restoring the backup tablespace in a different database?
Yes.

Use the function/method of TRANSPORT TABLESPACE:

http://Oracle.Su/docs/11g/backup.112/e10643/rcmsynta2021.htm

See also sys.dbms_tts.transport_set_check
```
RMAN> transport tablespace emp_data, emp_data2
           tablespace destination '/u01/app/oracle/oradata'
           auxiliary destination '/u04/app/oracle/oradata';
```
If you need to check your endian use this query format:
```
SELECT
  PLATFORM_NAME,
  ENDIAN_FORMAT
FROM
  V$TRANSPORTABLE_PLATFORM;
```
http://www.Fadalti.com/Oracle/database/how_to_transportable_tablespaces.htm

http://husnusensoy.WordPress.com/2008/07/12/migrating-data-using-transportable-tablespacetts/

Best regards

mseberg

standby, RMAN-8137 and Oracle 10.2.0.4

Last week, I experienced a serious network problem, my experienced gal standby databases.

Now that everything should work fine, I still can use the ENTRY to REMOVE to remove the archivelogs

RMAN> backup as compressed backupset archivelog all delete input;
RMAN-08137: WARNING: archive log not deleted as it is still needed
archive log filename=/u01/app/oracle/admin/DB01/arch/DB01_30288_1_663410211.arc
  thread=1 sequence=30288

I have no lag in waiting.

SQL> select process, thread#, sequence#, status from v$managed_standby ;

PROCESS      THREAD#  SEQUENCE# STATUS
--------- ---------- ---------- ------------
ARCH               1      30322 CLOSING
ARCH               1      30323 CLOSING
RFS                1      30324 IDLE
MRP0               1      30324 APPLYING_LOG
RFS                0          0 IDLE

It seems out of my dozens of databases, only 2 are affected, the two 10.2.0.4

I'll migrate to 11g in a few months and I might well try to reinstatiate the day before. But I am interested in an alternative, if possible.

The current workaround I use

RMAN> DELETE NOPROMPT ARCHIVELOG ALL BACKED UP 1 TIMES TO DISK ;

Thank you
Laurent

Can you please send a query result more primary?

SQL > select to_char (completion_time, "HH24:MI:SS MON-DD-YYYY) from v$ archived_log where thread #= 1 and sequence #= 30325;

Suddenly slow rman backup in oracle 11g

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