Size of files/folders and flash recovery area

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• management of the Windows flash recovery area

  Hi experts,
  
  We use oracle 10G R2, enterprise edition on windows 2003 Advanced Server...
  
  We have a size 20 GB database with archive log mode and archiving destination specified to Flash the recovery area. We don't use RMAN as a backup strategy. and are flash recovery size is set to 5 GB. as it is an OLTP system, it generates a lot of log archiving in the flash recovery area, order of frequent newspaper with the redo log file size is 100 MB.
  
  I would like to know, how can I manage the flash recovery area, if I do not use RMAN to specify archivelog retention policy? How can I specify that oracle should keep log archive files to flash recovery are for 5 days? as we know that oracle won't remove any permanent file at least flash recovery area that it is obsolete, and database may hang if there is space in recovery is full... I can take the log backup archive to another disk, but is it possible to say oracle keeps log archiving for 5 days and remove them to recover space in case of disk space full for the flash area?
  
  
  or if I put the retention using RMAN policy, it will take effect for maintain the retention policy and remove the log archiving obsolete in the area of flash recovery after 5 days, even if I do not use RMAN to back up my database?
  
  any suggestions would be much appreciated
  
  Thanks and greetings
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  Vikrant dixit says:
  We use import export for backup of database (political company it's not mine)

  Then suggest or explain this imp/exp is not any type of backup. It's a data dump. And it won't save disaster. There will be data loss. If it's good to society, then it's ok.
  And then perhaps it is not necessary to keep the database in log mode archive if exp/imp is used.

  .. .and archive logs are generated and not backed up yet... that's why I asked this question here how manage space flash in a future close if space is complete in the same...

  Then, you must implement the log backup archive and deletion with rman. And if already happens with rman, then why not go further and use rman for full database backups.

  What you need to do:
  1 understand how often do you need to archive backup logs
  2. When you save them (tape, disk)
  3. making scripts to archive log backup or remove and obsolete backup deletion.
  It may be just a script
  delete any backup archivelog entry;
  remove obsolete;

  Look here for more details on orders:
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• Remove the Flash recovery area

  Hello
  IAM on oracle 11.2.0.1 on windows 2008 64-bit. We have a database with the recovery flash set up in her area. We want to delete (IE completely remove the flash recovery area without affecting the DB). So, what should I do? I can find one of my files to control it. I want to completely remove the flash recovery area so that my data files and files redo, control files can be on the same location. Thanks in advance.

  Hello

  In addition to having a control file in the flash recovery area, which is strange, not desired, I wonder if you have covered Google for the answer: http://www.lmgtfy.com/?q=oracle%20remove%20flash%20recovery%20area

  Transfer the control file to another location means a change in the spfile and restart the database.

  For the rest, refer to the manuals

  Success
  FJFranken

• changing the location of the log archiving PLZ flash recovery area HELP!

  Hi all
  
  My journal archive is stored in an area of memory flash that got the full and the production server is down.
  
  Details of the alerts log file...
  

  ORA-19809: limit exceeded for recovery files
  ORA-19804: cannot reclaim 43432960 bytes disk space from 2147483648 limit
  *** 2010-04-25 14:22:49.777 62692 kcrr.c
  ARCH: Error 19809 Creating archive log file to 
  
  '/oracle/product/10.2.0/flash_rec
  overy_area/EDWREP/archivelog/2010_04_25/o1_mf_1_232_%u_.arc'
  *** 2010-04-25 14:22:49.777 60970 kcrr.c
  kcrrfail: dest:10 err:19809 force:0 blast:1

  I deleted the files and started the database,
  
  Can a good person kindly tell me how to avoid this problem in the future by keeping the destination of the newspaper archive in the flash recovery area.
  
  I want to change the location of the files to archive log, can someone ' a please guide me about hiow to do
  
  I changed the size of the area of recovery flash for now, but I fear that it will be again!
  

  SQL> select * from v$flash_recovery_area_usage;
  
  FILE_TYPE    PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
  ------------ ------------------ ------------------------- ---------------
  CONTROLFILE                   0                         0               0
  ONLINELOG                     0                         0               0
  ARCHIVELOG                99.44                         0              57
  BACKUPPIECE                   0                         0               0
  IMAGECOPY                     0                         0               0
  FLASHBACKLOG                  0                         0               0
  
  6 rows selected.
  
  SQL> alter system set DB_RECOVERY_FILE_DEST_SIZE = 4G ;
  
  System altered.
  
  SQL> select * from v$flash_recovery_area_usage;
  
  FILE_TYPE    PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
  ------------ ------------------ ------------------------- ---------------
  CONTROLFILE                   0                         0               0
  ONLINELOG                     0                         0               0
  ARCHIVELOG                49.72                         0              57
  BACKUPPIECE                   0                         0               0
  IMAGECOPY                     0                         0               0
  FLASHBACKLOG                  0                         0               0
  
  6 rows selected.

  Kind regards
  
  Published by: user10243788 on April 25, 2010 06:12

  following steps should be ok
  (1) create pfile from spfile;
  (2) remove the unnecessary params
  (3) configure log_archive_dest_1
  Note: do not remove the db_recovery_file_dest, db_recovery_file_dest_size, and parameters. they may be required at another time
  (4) stop and start your database using this new pfile
  (5) check if the archives are in one place
  (6) create spfile and bounce database to ensure that it uses spfile

  Please try all the steps test env first and go ahead in the event of success, to production

• in the life situation, is the flash recovery area used often?

  Hi all
  
  in the life situation, is the flash recovery area used often? or being extinguished?
  
  What is general practice?
  
  Thank you
  
  Andrew

  Andrew,

  First that you must answer - what you want to with flash recovery area (FRA). FRA may or may not be used with another technology - flashback database.

  (i) are you using a base of data of flashback (database +, not table or query flashback flashback), i.e. you have lit the flame of the database? If so, you need to use CRF because that's where the FB connect to go.

  (ii) If you don't use flashback database, you can, but you don't need to use FRA. FRA can be used for database backups and archived logs archived backups of logs.

  I strongly suggest not to use FRA for archived logs. As a corollary, I strongly suggest backups seprating and newspapers archived on separate file systems (and underlying disks), if possible. Don't forget, you can always re-create a lost backup using logs archived. but never an archived newspaper lost. If you have lost journal #345, but all the others to have #346-#1000, it doesn't matter; recovery stops at 345. So imagine put backups and newspapers archived on a single point of failure - you lost two of them.

  Therefore, I use different locations for backups and archived logs, somewhat defeat the purpose of the FRA, where both are supposed to go.

  Caveat: I do this for all important databases. If a database is not so important, well...

  I hope this helps.

  Arup

• Add redo log Member Flash recovery area

  I have an Oracle 10 g server.
  
  Database is in archivelog mode, using the Flash recovery for storage area redo files archive.
  
  He doesn't use Oracle-managed files (db_create_file_dest is not set) - all the examples use until this OMF to multiplex the redo and control FRA files.
  
  Is is possible to multiplex files redo log to the flash recovery area? Same question for the file control also.
  
  
  What I tried, but not successfully:
  
  My FRA is set to C:\ORACLE\PRODUCT\10.2.0FLASH_RECOVERY_AREA\ALEQ.
  
  I added a redo log Member
  C:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\ALEQ\ONLINELOG\
  
  The problem is through EM I can't see any use of "Online Journal", but also when I query V$ FLASH_RECOVERY_AREA_USAGE (now I see only the use of archivelog and backuppiece)
  
  My assumption is that the FRA is not used.
  
  
  
  
  Thanks in advance.

  Yes, if you create base without specifying CONTROL_FILES but whose value DB_CREATE_FILE_DEST and DB_RECOVERY_FILE_DEST, then your controlfiles get automatically appointed duplex and OMF. You could do this later with a create controlfile statement. But a more simple and better method would be to use the two parameters from the start.

  Kind regards
  Uwe

  http://uhesse.WordPress.com

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• Archived newspapers and Flash recovery

  Hello
  in 10g R2, what is the relationship between archived newspapers and Flash recovery?
  I have logs archived here:
  
  P:\oracle\product\10.2.0\flash_recovery_area\MYDB\ARCHIVELOG\2008_11_02
  
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  D:\base\MYDB\arch
  
  Are both the Sami? What is the difference? We need both of them?
  
  Here are my settings:
  

  SQL> archive log list
  Database log mode              Archive Mode
  Automatic archival             Enabled
  Archive destination            USE_DB_RECOVERY_FILE_DEST
  Oldest online log sequence     297
  Next log sequence to archive   299
  Current log sequence           299
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  NAME                                 TYPE        VALUE
  ------------------------------------ ----------- ------------------------------
  log_archive_dest_1                   string      LOCATION=D:\base\MYDB\arch
                                                    OPTIONAL REOPEN=300
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  Thanks before.

  Newspaper Archives are written in several places because of parameter settings. However, if you look at the value, OPTIONAL string indicates that the archiving of these places is not mandatory. If the archiver is unable to create an archive to any of these places, instance always works without any problem.

  It is absolutely mandatory that the archiver must be able to create an archive in one of the locations (if there is not both).

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  If you do not need two of them, you can stop archiving to a specific location with ALTER SYSTEM.

  http://download.Oracle.com/docs/CD/B19306_01/server.102/b14237/initparams100.htm#I1010086

  Published by: Sissi Kandi on November 2, 2008 21:38

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