Big increase in size of the backups after upgrade

Hello

I updated my database of 10.2.0.4 on win2003 SP2 for 11.2.0.1.0 SE SE on win2008 R2 SP1 64 - bit, by making exp/imp

The amounts of size databasefiles up to approximately 150 GB on each server

But when I do a normal RMAN backup of the data files to the new database (database backup device type disk); I get a backupset that is 78 GB in size.

On the old database, the backup size was only 36 GB

Two data are substantially the same, and I don't think I'm using the compression on any one of the database backups. I listed the RMAN settings below

Can someone tell me why I see this huge increase in size of the backups?

Best regards

Klaus Mogensen

10 GB RMAN settings:

CONFIGURE REDUNDANCY 2 RETENTION STRATEGY;

CONFIGURE BACKUP OPTIMIZATION # by default

SET UP DEFAULT DISK DEVICE TYPE; # by default

CONFIGURE CONTROLFILE AUTOBACKUP ON;

CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO "%F" # by default

SET UP THE DEVICE TYPE DISK BACKUP FOR PARALLELISM BACKUPSET TABLET 1 TYPE;

CONFIGURE BACKUP OF DATA TO DISK FILE TYPE DEVICE TO 1; # by default

CONFIGURE BACKUP ARCHIVELOG FOR DEVICE TYPE DISK TO 1; # by default

CONFIGURE the FORMAT of DISC TYPE CHANNEL DEVICE "C:\backup\vtrack\backupset\ora_df_%Y_%M_%D_%T_%t_s%s_s%p.bkp";

CONFIGURE MAXSETSIZE TO UNLIMITED; # by default

CONFIGURE ENCRYPTION OF DATABASE # by default

CONFIGURE THE ENCRYPTION ALGORITHM "AES128"; # by default

CONFIGURE THE NONE ARCHIVELOG DELETION POLICY; # by default

CONFIGURE SNAPSHOT CONTROLFILE NAME TO ' D:\ORACLE\PRODUCT\10.2.0\DB_1\DATABASE\SNCFVTRACK. ORA'; # by default

11g RMAN settings:

CONFIGURE REDUNDANCY 2 RETENTION STRATEGY;

CONFIGURE BACKUP OPTIMIZATION # by default

SET UP DEFAULT DISK DEVICE TYPE; # by default

CONFIGURE CONTROLFILE AUTOBACKUP ON;

CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO "%F" # by default

SET UP THE DEVICE TYPE DISK PARALLELISM 1 BACKUP BACKUPSET TYPE; # by default

CONFIGURE BACKUP OF DATA TO DISK FILE TYPE DEVICE TO 1; # by default

CONFIGURE BACKUP ARCHIVELOG FOR DEVICE TYPE DISK TO 1; # by default

CONFIGURE MAXSETSIZE TO UNLIMITED; # by default

CONFIGURE ENCRYPTION OF DATABASE # by default

CONFIGURE THE ENCRYPTION ALGORITHM "AES128"; # by default

CONFIGURE COMPRESSION ALGORITHM 'BASIC' AND 'DEFAULT' LIBERATION OPTIMIZE FOR TRUE LOAD; # by default

CONFIGURE THE NONE ARCHIVELOG DELETION POLICY; # by default

CONFIGURE SNAPSHOT CONTROLFILE NAME TO ' E:\ORACLE\PRODUCT\11.2.0\DBHOME_1\DATABASE\SNCFVTRACK. ORA'; # by default

That is why,

Configuring your channel 10g device:

SET UP THE DEVICE TYPE DISK BACKUP FOR PARALLELISM BACKUPSET TABLET 1 TYPE

Configuring your channel 11g device:

SET UP THE DEVICE TYPE DISK PARALLELISM 1 BACKUP BACKUPSET TYPE; # by default

The 11g, 10g being compressed backups are not.

Tags: Database

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