Backups not deleting
Hi All
Here is our RMAN Configuration.
RMAN configuration parameters for database with db_unique_name test are:
CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 32 DAYS;
CONFIGURE BACKUP OPTIMIZATION OFF;
CONFIGURE DEFAULT DEVICE TYPE TO 'SBT_TAPE';
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE 'SBT_TAPE' TO '%F';
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F';
CONFIGURE DEVICE TYPE 'SBT_TAPE' PARALLELISM 1 BACKUP TYPE TO BACKUPSET;
CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE 'SBT_TAPE' TO 1;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1;
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE 'SBT_TAPE' TO 1;
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1;
CONFIGURE CHANNEL DEVICE TYPE 'SBT_TAPE' PARMS 'ENV=(TDPO_OPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
CONFIGURE MAXSETSIZE TO UNLIMITED;
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/opt/oracle/11GR2/dbs/snapcf_test.f'; # default
The backups are valid till 32 days. When i execute report obsolete today it shows even backup taken on 15th Dec.
Could anyone please explain on this?
user9244137 wrote:
Hi Johan
We take full backups on sunday.And incremental backup from mon-friday.
Sun-- Level 0
Mon-Fri--Level 1.
As per my understanding
For Today(17th) the last full backup will be on 15th plus the incremental backup on 16th. When rentention policy is set to 7 Days the backup taken on 8th would be expired.
Please let me know if my understanding is wrong.Well, no. Since you specify that you want to be able to recover your database to any time during the last 7 days (rentention policy is set to 7 Days), rman needs to save the latest full (incremental 0) prior to when the recovery window begins, plus the incremental leading up to this point (unless you have cumulative incremental backups).
I.e. If you want to restore the database as of friday noon, you need the full backup from last sunday, and then apply all changes since then, up to the last change prior to friday noon.
The full backup from last sunday (the 8:th) is outside the retention period, and should be obsoleted, but since there's no other way of restoring the data from last thursday (the 12:th, inside the retention window), rman will not mark the full backup as obsolete.
Have a look at the pictures here, these might be helpful.
http://docs.oracle.com/cd/E11882_01/backup.112/e10642/rcmcncpt.htm#BRADV99966
Brgds
Johan
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Recovery Manager: Release 10.2.0.3.0 - Production on Mon Mar 28 12:51:16 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: WHSEPROD (DBID=2974933951)
connected to recovery catalog database
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allocated channel: ORA_SBT_TAPE_1
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allocated channel: ORA_SBT_TAPE_2
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channel ORA_DISK_1: sid=181 devtype=DISK
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BP Key BS Key Pc# Cp# Status Device Type Piece Name
255513 255464 1 1 EXPIRED SBT_TAPE arch-s254-p1-t662126514
484866 484825 1 1 EXPIRED SBT_TAPE arch-s5711-p1-t680801187
1256712 1256637 1 1 EXPIRED SBT_TAPE arch-s257-p1-t724703694
1433633 1433540 1 1 EXPIRED SBT_TAPE arch-s5681-p1-t733340847
Do you really want to delete the above objects (enter YES or NO)? yes
deleted backup piece
backup piece handle=arch-s254-p1-t662126514 recid=254 stamp=662126515
deleted backup piece
backup piece handle=arch-s5711-p1-t680801187 recid=5674 stamp=680801188
deleted backup piece
backup piece handle=arch-s257-p1-t724703694 recid=254 stamp=724703695
deleted backup piece
backup piece handle=arch-s5681-p1-t733340847 recid=5674 stamp=733340848
Deleted 4 EXPIRED objects
RMAN> delete expired backup;
using channel ORA_SBT_TAPE_1
using channel ORA_SBT_TAPE_2
using channel ORA_DISK_1
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BP Key BS Key Pc# Cp# Status Device Type Piece Name
255513 255464 1 1 EXPIRED SBT_TAPE arch-s254-p1-t662126514
484866 484825 1 1 EXPIRED SBT_TAPE arch-s5711-p1-t680801187
1256712 1256637 1 1 EXPIRED SBT_TAPE arch-s257-p1-t724703694
1433633 1433540 1 1 EXPIRED SBT_TAPE arch-s5681-p1-t733340847
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RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
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RMAN-06122: CHANGE .. UNCATALOG not supported for BACKUPSET
The action change suggested was to use
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