Server Administration :: Archive Log File Generating?

Jan 10, 2011

I want to know how many archive log generating in One hour at the peak time. We have 6 nodes RAC multiplex 2.

Is there are any query through which I can achieve the above purpose.

Note: As this is a prod instance client is not happy to implement Log Miner utility.

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Server Administration :: Variable File Size For Archive Log Files

Dec 16, 2010

I'm facing problem with archive log file size, Archive logs are generated with only of 90m or 92m or 94m(Variable sizes of less than 100m), Although i had set 100m for each of my redo log file. Here i'm providing my create db script for your reference. I want to know why the log switches before it reaches 100m.Is there any connection of intial 10m for my .dbf files.

create database mydev
maxlogmembers 3
maxloghistory 100
maxdatafiles 50
maxinstances 1


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Server Administration :: Archive Log File Sequence Number Reduced

Mar 28, 2012

We are facing a different issue in our database. From yesterday night, the archive log generated with 5 digit. But it supposed to be 6 digit. Hence we are not able to apply the logs in DR Location.

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Server Administration :: Running Out Of Space For Archive File System

Apr 2, 2012

In normal days size of archives generated in a day is 14-15GB. But since yesterday morning, almost 150GB of archives have been generated and are still getting generated(200MB every 1-2 minutes).

There was a sudden reboot of server yesterday morning. At that time there was heavy load of transactions on database. Can it be a reason that smon is still doing recovery? (I am not sure on this). Also, Undo tablespace is increased from 18 GB to 50 GB since yesterday (autoextend on).

Now we are running out of space for archive file system (can't delete them also until they are transferred to DR) Size of redo log is 200MB. This database supports around 2500 users.

performance wise I don't see any hit. Also wait events are normal. (only few db file sequential read) finding the query/session which are causing this much huge amount of archives?

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Server Administration :: SQL For Generating Roles

Dec 18, 2012

I am looking for the below one.SQL for generating roles needs to be spooled by automated script.

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Active Rollback Segments Generating Archive Logs?

Oct 25, 2012

I have a active rollback segments. I am not able to drop the undo tablespace of this segment and archive logs are getting created.

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Server Administration :: Too Many Archive Log Generation?

Mar 16, 2012

on weekends we have too many archive logs generated .i have taken the data of a week and found that average archive log generated from monday to friday is 7 files per day but on satuarday and sunday the average is 60 files and FG1 gets full. on weekends we have all type of backups running like incremental,archival and logical backups and on sunday we have full physical backup

what is the reason of too many archive log files generations at weekends. is it due to hot and logical backups , if yes then how ?

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Server Administration :: Deleting Archive Log In DR

Mar 6, 2012

I have a small question to be clarified. Is there any way to find out the "Applied Archive log files" in DR and "Deleting them through .

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Server Administration :: Archive Log Every 30 Seconds?

Mar 1, 2012

Our database was generating archivelog(50MB) every 30seconds! I think this is not normal because what I did is open our database, I was the only one who is connected, I'm not running anything, but our database is still generating archivelogs!

Our redo logs: 6groups 3members.

This are the things I saw on our alert logs:
- advanced to log sequence
- cannot allocate new log, sequence
- checkpoint not complete
- private strand flush not complete

What I did is change the log mode of our database to noarchivelog then open the database, then returned it to archivelog mode then that fixed the problem. But the thing is after 6hours its abnormal behavior goes back again.

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Unable To Deleted Archive Log File On Windows Server?

Sep 20, 2010

OS: windows server 2003

I am not able to delete one month old archive log file manually on windows which doesn't having info about the standby on v$archived_log view of primary database. the sequence were already applied to the standby database. It shows the status as deleted in v$archived_log. while deleting the file manually. it showing an error like another program or person is using it.

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Server Administration :: Archive Mode In Database

Dec 28, 2011

what is the techniques to set the archive mode in oracle database on???????

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Server Administration :: Changing Archive Log Destination?

Jul 6, 2011

Just to validate from you experts if in case I change the destination file of my archive logs, does it require a restart of the database?

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Server Administration :: Flashback Data Archive

Aug 23, 2011

I need store history for two tables in my system. I thought that Flashback Data Archive will be the best option. There is also another ways to do this but don't focus on this. I need to to this by FDA (Flashback Data Archive);

So my prerequisite was to create tablespace and flash back archive, and alter table to be archived.

create tablespace audit_archive datafile 'd:oradata etaaudit_archive.ora' size 100M;

create flashback archive audit_flash_archive
tablespace audit_archive quota 10G retention 10 year;

alter table teta_admin.t_prac flashback archive audit_flash_archive;

and everything works fine but on sys user.
i can query this table using "as of timestamp" clause

select prac_id, imie, imie_2, nazwisko, nr_ew from teta_admin.t_prac as of timestamp to_timestamp('2011-08-23 08:20:00','yyyy-mm-dd hh24:mi:ss')

but final construction of idea was to create additional user (interface), grant select on teta_admin.t_prac object and query archive data from interface user. and this is point of my failure. this don't work on new user.

interface user have such sys privs:

SQL> SELECT * FROM dba_sys_privs
2 WHERE grantee = 'INTERFACE';
------------------------------ ---------------------------------------- ---

and table privs:

SQL> SELECT * FROM dba_tab_privs
2 WHERE grantee = 'INTERFACE';

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

what i need to do in order to query this flashback table from interface user. when i try to do this from this user oracle says ORA-00942.

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Server Administration :: Sudden Increase In Archive Log Size

Mar 26, 2010

We had a database (DB A)that is having version DB is having multiple tables and volume of 6 million in individual tables.Another database is also (DB B), this DB has Mviews pointing to DB A. Mviews are refreshed in every 15 mins, with fast refresh option in 90% cases and remaining having complete refresh.

Last weekend we have migrated DB 2 to version - 64bi and on another server.After version upgrade and DB migration complete refresh was done once for all mviews.

Now DB A is generating huge amount of archive log and also it's UNDO space is getting fully consumed causing performance issue and DB hang.what has gone wrong and what we can do to improve response of DB A and also to reduce size of Archive log ?

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Server Administration :: How To Offline Datafile In No Archive Mode

Oct 31, 2011

I want to drop a datafile in my test db which is in no archive mode,at first, i want to offline the datafile,but it failed,is there any way to do it?

SQL> archive log list;
Database log mode No Archive Mode
Automatic archival Disabled
Archive destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 3237

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Server Administration :: Why Archive Should Be Turned ON Before Turning On Flashback

Aug 5, 2010

I have read it in books that flashback uses undo data to create the flashback data or to flashback the database to a time in the past.Then, what is the role of archive files in flashback operation. Why it is mandatory to turn on archiving before turning on flashback. Also, if you remove the latest archive files, you can NOT flashback the data to a time in past (Oracle complains of missing archive files).

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Server Administration :: Unable To Delete Archive Files Through ASMCMD

Apr 13, 2011

we are getting below error:

ora-00257 archiver error. connect internal only until freed

when we tried to remove the unwanted arc files thro ASMCMD,we are getting below error:

ASMCMD> rm -ef 2011_04_05/
Unknown option: e
usage: rm [-rf] <name1 name2 . . .>
ASMCMD> rm -rf 2011_04_05/
ORA-15032: not all alterations performed
ORA-15028: ASM file '+XCOM_BACKUP_DG/TXCOM/ARCHIVELOG/2011_04_05/thread_2_seq_27215.1143.747641143' not dropped; currently being accessed (DBD ERROR: OCIStmtExecute)
ORA-15032: not all alterations performed
ORA-15028: ASM file '+XCOM_BACKUP_DG/TXCOM/ARCHIVELOG/2011_04_05/thread_3_seq_21762.826.747641143' not dropped; currently being accessed (DBD ERROR: OCIStmtExecute)
ORA-15032: not all alterations performed
ORA-15177: cannot operate on system aliases (DBD ERROR: OCIStmtExecute)

further we checked FRA size:

SQL> select * from v$flash_recovery_area_usage;

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

ARCHIVELOG 3.19 0 38

and checked any arc processing holding lock on arc files:

> ps -ef | grep -i ora_arc*

oracle 6989 1 0 15:07 ? 00:00:00 ora_arc0_TXCOM1
oracle 6991 1 0 15:07 ? 00:00:00 ora_arc1_TXCOM1
oracle 12246 12164 0 15:17 pts/4 00:00:00 grep -i ora_arc*
oracle 13452 1 0 Mar23 ? 00:01:07 ora_arc0_TWEBAPPS1
oracle 13454 1 0 Mar23 ? 00:00:30 ora_arc1_TWEBAPPS1
oracle 15402 1 0 Mar23 ? 00:00:50 ora_arc0_SXCOM1

[Code] ........

but we were not able to remove those .arc files from that folder. finally we have down all the instances and deleted those files manually.

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Server Administration :: Archive Log Generation Time Interval Or Size Wise?

Oct 21, 2011

i am using oracle 10g on solaris 10 os.currently archived log is generated by size wise 52 mb.i want to know whar is the best practice for archive log generation . it should be time interval or size wise.

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Server Administration :: ORA-01111 / Name For Data File 636 Is Unknown - Rename To Correct File

Nov 3, 2012

i have two tablespaces dictionary managed (SYSTEM,APPLSYSX) i tried to change to locally cause it will cause problem in future when trying to run OATM migration.i did it successfully on APPLSYSX,when i did it on system upon oracle procedure.i have to change all tablespaces to read only when i did that with tablespace APPLSYSD(alter tablespace APPLSYSD read only) i received errors

SQL> alter tablespace APPLSYSD READ ONLY;
alter tablespace APPLSYSD READ ONLY
ERROR at line 1:
ORA-01230: cannot make read only - file 636 is offline
ORA-01111: name for data file 636 is unknown - rename to correct file
ORA-01110: data file 636: '/vol5u/oracle/prddb/9.2.0/dbs/MISSING00636'
i have not this file on the OS

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ORA-1403 Encountered When Generating Server Alert?

Jun 7, 2012

how to resolve the below error.. I am getting this error on the alert log .. oracle DB version is and os is AIX6.1

ORA-1403 encountered when generating server alert SMG-4121 Thu Jun 07 13:38:27 2012
ORA-1403 encountered when generating server alert SMG-4121 Thu Jun 07 13:39:00 2012
ORA-1403 encountered when generating server alert SMG-3503 Thu Jun 07 13:43:27 2012
ORA-1403 encountered when generating server alert SMG-4121 Thu Jun 07 13:48:27 2012

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How To Delete One Month Old Archive Log File

Sep 16, 2010

I am not able to delete one month old archive log file on production database. it already applied on standby database. While deleting the files, it throwing errors as "Another program is using it".

OS: Windows server 2003.

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Increasing Archive-log File Size?

Jul 30, 2013 on RHL.. 3 Log Groups with 1 member each. db_recovery_file_dest string /oracle/oraarch For the purpose of increasing log file size, if i use ALTER DATABASE ADD LOGFILE GROUP 1 SIZE 300M; but it creates Log Group with 2 member. one is at /oracle/oraarch location and other at /oracle/oradata (db_create_file_dest).

We are using ORACLE MANAGED FILE SYSEM . I want only 1 member at /oracle/oraarch (to keep the previous setting intact ...just increasing the size from 100 to 300M). If I manually give the path where to create the logfile member, I get this error: 
ALTER DATABASE ADD LOGFILE GROUP 1 '/oracle/oraarch/DB/onlinelog/' SIZE 300M;
ALTER DATABASE ADD LOGFILE GROUP 1 '/oracle/oraarch/DB/onlinelog/' SIZE 300M
ERROR at line 1:
ORA-00301: error in adding log file '/oracle/oraarch/DB/onlinelog/' - file cannot be created
ORA-27038: created file already exists
Additional information: 1

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Backup & Recovery :: Archive Log File Using RMAN

Feb 1, 2012

When we see archive log destination is full , in that case how to backup archive log files using RMAN ?

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Backup & Recovery :: Archive Log File Missed

Jan 30, 2012

Today we have taken a backup of the Live database, due to some issue, it got deleted before applying into the Disaster Recovery Location.

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Data Guard :: Confirm Particular Archive Log File Applied Or Not?

Aug 5, 2011

I need a clarification on the below query.

I am having a Dataguard setup as Logical.

I am copying all the archive log files generated in the live server into the local server in order to apply into the Data Guard.

I am running a script for this process.

Question:How i can verify whether particular archive log file was applied into the data guard or not.

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Server Administration :: Identify Tnsnames.ora File?

Jun 10, 2011

How to find out the database TNSNAMES.ora file if there are multiple .ora files with different names in Oracle_home/network/admin directory ?

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Server Administration :: UNDO In Parameter File?

Dec 9, 2011

I have a question ragarding undo tablespace. I want to ask that why only undo tablespace information we need to specify in parameter file. We do not specify any other tablespace information. Not even for temporary tablespace. Then why we need to give undo tablespace name while instance is creating.

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Server Administration :: ARC File Size Too Small?

Oct 2, 2012

I noticed my DB is generating a lot of "small" .arc files and I am usure why. As you can see from the v$log query my log file size is set to 50MB. But yet BLOCKS*BLOCK_SIZE never adds up to 50MB.

Is there anything else I can look into to see how to make the .arc files larger?

SQL> select group#, thread#, bytes from v$log;
---------- ---------- ----------
1 1 52428800
2 1 52428800
3 2 52428800
4 2 52428800

select blocks, block_size, blocks*block_size from v$archived_log where sequence# between 63876 and 72851 and thread# = 1

---------- ---------- -----------------
28 512 14336
28 512 14336
28 512 14336
55 512 28160


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Server Administration :: How To Check Alertlog File

Mar 3, 2012

you have some 500 Db how will u check the alertlog file. do u do it manually or is their any tool to check the alertlog files. how to check it.

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Server Administration :: TNS Errors In Listener Log File?

Sep 11, 2012

We are getting the below error messages in LISTENER LOG FILE. That too every 5 Mins.

10-SEP-2012 16:25:43 * (CONNECT_DATA=(SERVICE_NAME=dpm)(CID=(PROGRAM=W:Applicationdpm2010.exe)(HOST=ISSLDMUM01PC169)(USER=bharathi))) * (ADDRESS=(PROTOCOL=tcp)(HOST= * establish * dpm * 0

10-SEP-2012 16:25:46 * service_update * DPM * 0
10-SEP-2012 16:25:47 * 12546
TNS-12546: TNS:permission denied
TNS-12560: TNS:protocol adapter error
TNS-00516: Permission denied

I am not getting the reason for it.

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