Change of RMAN compression during migration

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• Oracle RMAN compressed backupset on TSM disk pool

  Hello
  
  We have an Oracle 11.2.0.3 database, size * 2.2Tb* on AIX 6.1.
  
  There are a bunch of disks in TSM 6.3, size * 4 Tb *.
  When you try to take a Tablet backupset on this pool with the command:

  run {
  allocate channel ch01 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch02 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch03 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch04 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch05 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch06 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch07 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch08 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch09 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch10 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch11 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch12 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch13 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch14 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch15 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  allocate channel ch16 device type SBT parms 'ENVTDPPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
  
  BACKUP AS COMPRESSED BACKUPSET FULL DATABASE;
  
  release channel ch01;
  release channel ch02;
  release channel ch03;
  release channel ch04;
  release channel ch05;
  release channel ch06;
  release channel ch07;
  release channel ch08;
  release channel ch09;
  release channel ch10;
  release channel ch11;
  release channel ch12;
  release channel ch13;
  release channel ch14;
  release channel ch15;
  release channel ch16;
  }

  backup fails with the error:
  

  RMAN-03009: failure of backup command on ch16 channel at 11/28/2012 12:22:17
  ORA-19502: write error on file "CS_20121128_qlnrehrm_1_1.DBF", block number 257 (block size=8192)
  ORA-27030: skgfwrt: sbtwrite2 returned error
  ORA-19511: Error received from media manager layer, error text:
     ANS1311E (RC11)   Server out of data storage space
  channel ch16 disabled, job failed on it will be run on another channel

  Attempts to run above the command also failed on cluster disks in TSM with size * 5 TB *, * 7 TB *. But this size is 2 - 3 times bigger than the original DB Dimensions (2.2 to).
  The last attempt to run our command successful on TSM disk pool of * 15 TB *!. During its execution, we could monitor the use of the disk pool of * ~ 7 TB *. Once the backup is complete, the disk pool released and only * ~ 100 GB * compressed backupset remained.
  
  -----
  So the question is: is this a problem or an RMAN or TSM normal?
  
  We will be very greatfull for your kind answers!
  
  
  Kind regards
  Iago

  Hello;

  Not sure how the algorithm works or how the channels have an effect on the compression. Would assume its done in memory or speed would suffer.

  It shows all and testing them to get an idea of what to expect:

  RMAN backup compression

  http://gavinsoorma.com/2009/12/11g-release-2-RMAN-backup-compression/

  And so for this:

  http://taliphakanozturken.WordPress.com/2012/04/07/comparing-of-RMAN-backup-compression-levels/

  And finally:

  http://www.dbspecialists.com/blog/database-backups/RMAN-compression-algorithms-in-11gr2/

  Best regards

  mseberg

  Published by: mseberg on December 7, 2012 03:52

• Change backuppiece RMAN location

  Hello
  
  Someone knows how to change backuppiece RMAN location in the repository.
  Here is one of backuppiece I want to change D:\DB_BACKUP\ASSIST\RMANBACKUP\ASSIST_S511_P1 to E:\DBBACKUP\ASSIST\RMANBACKUP\ASSIST_S511_P1.
  
  Time of accomplishment BS key Type LV size device Type elapsed time
  ------- ---- -- ---------- ----------- ------------ ---------------
  509 full 6.98 G DISK 00:00:00 11 December 08
  BP key: 507 status: EXPIRED compressed: YES Tag: TAG20081211T003232
  Part name: D:\DB_BACKUP\ASSIST\RMANBACKUP\ASSIST_S511_P1
  
  Thank you.

  RMAN>catalog start with 'E:\DBackup\rmanbackup\ASSIST_S519_P1';
  RMAN>restore database;
  

  Khurram

• Change the destination directory during the installation of Acrobat Reader DC

  How can I change the destination path during the installation of Acrobat Reader DC? After the download and execution of the installation file, I can't make any changes and Acrobat Reader will always be installed on drive C (sys), but I would change on drive D (data)! Any suggestions?

  Hi martinm1975,

  Try Adobe - Adobe Acrobat Reader DC DistributionSetup offline.

  After the extraction process, you will get the option to change the destination file.

  

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• Error during migration of BLOB type data

  Hello
  
  I am migrating the data to oracle for oracle and tables soruce and targets have type BLOB field.
  
  I get the error when I will carry out the interface with these blob fields. But my interface is successful if I'm not maaping this blob files.
  
  Here is the error message.
  
  ODI-1217: Session BLOB (162501) fails with return code 942.
  ODI-1226: step BLOB fails after 1 attempt.
  ODI-1240: BLOB stream fails during a load operation. This goal of load flow chart IMAGES.
  ODI-1228: SrcSet0 (load) task fails on ORACLE YAGLD connection target.
  Caused by: java.sql.BatchUpdateException: ORA-00942: table or view does not exist
  
  Thank you
  Patel.

  Duplicate of
  Error during migration of BLOB type data

• Error during migration of business rules

  While trying to use the import/export option in environmental assessments to migrate business rules, we encountered an error.
  The export went very well. When you try to import, it says this: (even if it allows me to select the xml file suitable for import)
  Error during migration of business rules.
  Detail: The import file specified is not a valid trade rules xml file. Import ends.
  Details: Exception occurred. Please check your log file for more details.
  
  I'm sure I used the inherent format to export business rules.
  The old and new systems are version 11.1.2.
  
  The LCM method has failed also to the migration of business rules.
  Any suggetions?
  Thank you
  Elkaïm

  When you export make them sure you don't have "For Calc Mgr" checked, if you then import with failure.

  See you soon

  John
  http://John-Goodwin.blogspot.com/

• RMAN-Compress backup

  Salvation;
  I wonder one thing... Let's think...
  
  1. If I take backup with RMAN, lets assume 30 GB backup size... If I use Rman with compress option that it becomes? GB... Anyone who has experience or idea or comment on this matter? (I do not have the chance to try this test instance on)
  
  2. If I take the backup with the compression option, the recovery process last long than normal of RMAN backup or even?
  
  3. is there a any accident, bad sector etc... ability to backup with compression option?
  
  Thanks for the tips

  Hello

  1. If I take backup with RMAN, lets assume 30 GB backup size... If I use Rman with compress option that it becomes? GB... Anyone who has experience or idea or comment on this matter? (I do not have the chance to try this test instance on)

  2. If I take the backup with the compression option, the recovery process last long than normal of RMAN backup or even?

  See these documents.

  With the help of Backupsets compressed for RMAN backup
  http://download.Oracle.com/docs/CD/B19306_01/backup.102/b14192/bkup002.htm#BRBSC138

  Note: 563427.1 - a complete understanding of the RMAN Compression
  Note: 275084.1 - compressed into 10G RMAN
  Note: 427581.1 - different types of backup RMAN 11 g compression

  3. is there a any accident, bad sector etc... ability to backup with compression option?

  Never had any such problems by using the compression option (I use not a lot).

  Kind regards
  Hussein

• Increase in value of pga_aggregate_target during migration?

  Is there than a particular pga_Aggregate_target reasonwhy must be increased during migration from 9i and 10 g?
  
  I was reading metalink notes 316889.1
  
  
  WHAT is generic like any other parameter memory which must be increased because of added features?

  PGA_AGGREGATE_TARGET must be set correctly when you migrate 9i and 10g. 10g is a more powerful version, it has many new features and some of them have to do with how SQL statements are processed, and all these new features must be paid with the memory.

  There are certainly more memory than the version 9i, you can take a look at these articles where I documented some problems related to errors ORA-04030 who showed after the migration of a productive of 9iR2 to 10 gr 2 environment and what to do with the memory allocated for the Oracle process:

  [ORA-04030 after upgrade to 9iR2 10gr 2 on Windows 2003 | http://hrivera99.blogspot.com/2008/01/ora-04030-after-10gr2-upgrade-on.html]

  ORASTACK

  * ~ Madrid *.
  http://hrivera99.blogspot.com

• Block tracking changes and the compressed backup sets

  I am running Oracle Server 10.2.0.2 Enterprise Edition.
  
  If I turn on the track changes to block, can still tell RMAN to write backupsets compressed for my backup of database?
  
  I understand that with the change of block followed when I take a RMAN incremental backup every night will update the backupsets created by the most recent level 0 incremental backup, but I don't know if it would be that this only if the backupsets are not compressed.
  
  
  Thank you
  Bill

  I don't think that incremental backups work in the way you describe. Incremental backups create a new set of backup pieces, containing the blocks changed since last level 1 or 0 (differential), or the last level 0 (cumulative). When you restore, RMAN first restores the level 0, then apply incremental backups to the recovery. The backup may be compressed.

  What you describe sounds like incremental backups. For those, there must be an exemplary image, or "copy of the database." Tablets backupsets are therefore not an option for this feature. Refer to the documentation:

  http://docs.Oracle.com/CD/E14072_01/backup.112/e10642/rcmbckba.htm#CHDEHBFF

  Kind regards

  Jeremiah Wilton
  Blue Gecko Remote DBA
  http://www.bluegecko.NET

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• Error during migration of JDEVELOPER MAF 11.1.2.4 to 12

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  Look in the Collections Panel - it should be very similar to the appearance of openness.

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