RMAN "delete noprompt obsolete" not deleted

OS: AIX 5.3L; Oracle 10g R2
I have "delete noppropt obsolete" in my RMAN backup script as {
delete noprompt obsolete;
crosscheck backupset;
crosscheck archivelog all;
delete noprompt expired backup;
delete noprompt expired archivelog all;
backup as compressed backupset incremental level 1 cumulative device type disk tag 'Baan_bkup$LEVEL1' database plus archivelog delete input; }
but the incremental level 1 cumulative backupsets, outside my 7 days window, did not been deleted as prompted, even they are under the obsolete list. Why?
Message was edited by:
user508054

I also observed that with "REPORT OBSOLETE", only partial of the backupset piece of backup were "OBSOLETE". For example, after this morning LEVEL 1 incremental backup, my last Sunday, Mar 4 level 0 backup has 12 backup pieces (including controlfile and archivelog), but only two have been on the obsolete list. The two are controlfile and archivelog, and other 10 datafaile backupsets are still there in the list. Really confused! Are they supposed to be treated as a bunch?

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Delete noprompt obsolete

Hello,
RMAN >delete noprompt obsolete;
The "delete obsolete" or "delete noprompt obsolete" will delete the archivelog files past the retention from disk and will also delete any backups on disk or tape.
My retention redundancy is 1. According to the statement above, it will delete the archivelog files and any backups on disk or tape from a previous day. My issue is that I want to delete backups on disk based on the redundancy 1, but keep the archivelogs for 5 days then delete archivelogs. So, the "delete noprompt obsolete" will not work in my case.
So, I replace this "delete obsolete" with this command "delete noprompt archivelog All completed before 'SYSDATE-5';" to delete any archivelogs that are more than 5 days old. That would solve my archivelog issues, but what happens to my backups on disk (I want to delete backups based on redundancy 1)?
Thank you.

feverlove wrote:
Thanks mseberg.
1) delete noprompt ARCHIVELOG UNTIL TIME 'SYSDATE-5';
2) DELETE noprompt BACKUP COMPLETED BEFORE 'SYSDATE-2' DEVICE TYPE DISK;
Does redundancy 1 retention take care of the #2 ? If so, why do I need the #2.
Thank you again.For your archivelog deletion policy, you can try what was suggested earlier
delete noprompt archivelog until time 'SYSDATE-5';With respect to your backups, you can have the retention policy left as it is by setting it to redundancy 1 and add this to your level 0 backup script/full backup script (if not added earlier).
crosscheck backup;
delete noprompt obsolete;My Bad.
I am of the opinion that the above command (delete noprompt obsolete) deletes even the archives that fall within the 5 days time.
Edited by: Shivananda Rao on Oct 22, 2012 8:06 AM

RMAN-06207 when DELETE NOPROMPT OBSOLETE;

Hello all
I want to backup and delete backuped archivelogs on a standby instance using the following script:
RUN
ALLOCATE CHANNEL ch1 DEVICE TYPE sbt PARMS='ENV=......';
BACKUP ARCHIVELOG ALL DELETE INPUT;
DELETE NOPROMPT OBSOLETE;
RELEASE CHANNEL ch1;
When deleting all obsolete backup pieces, I receive the following error:
RMAN-06207: WARNING: 1 objects could not be deleted for SBT_TAPE channel(s) due
RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status
RMAN-06210: List of Mismatched objects
RMAN-06211: ==========================
RMAN-06212: Object Type Filename/Handle
RMAN-06214: Backup Piece c-2414804385-20080820-02
As a workaround, I then manually delete obsolete backup pieces using:
delete force noprompt obsolete device type sbt_tape
What is the cause for rman-06207 ? How can I change my rman script to safely delete backuped archivelogs?
I work with Oracle 10G release 10.2.0.3 both on standby and catalog DB.
Casi

Did you try using the CROSSCHECK command to verify the backup files status?
From your comments, it doesn't seem like you did. CROSSCHECK checks the status of the RMAN backups against the disk/tape and updates the RMAN repository. CROSSCHECK does not remove any files just updates the status. The status options are - expired, available, and unavailable.

RMAN delete noprompt obsolete

Hi,
I'm keen to know what does this comand mean in RMAN backup. "delete noprompt obsolete;" .Can I apply this comand for no catalog too or it's just meant for rman catalog.
Thanks
M.Kaur

Hi,
I'm trying to do house keeping on RMAN backups,following is my script,but this does not remove hte last year's backups on the tape,thou the tape is mounted to the lib.Must I add in another command? but yes the last year's backup is not even shown in the rman backup list,but it's still in the sbt_tape,how do I remove it from there.
Note: RMAN no catalog running on oracle 9i 9.2.0.7
allocate channel for delete type disk;
allocate channel for delete type 'sbt_tape'
PARMS 'ENV=(TDPO_OPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
report obsolete orphan;
report obsolete;
crosscheck backup;
crosscheck copy;
crosscheck backup of controlfile;
delete noprompt expired backup;
delete noprompt expired archivelog all;
delete noprompt expired backup of controlfile;
delete force noprompt expired copy;
delete force noprompt obsolete orphan;
delete force noprompt obsolete;
release channel;
Thanks

RUN "delete noprompt obsolete" before "backup database"

Hello,
11g on windows 2003, 3 day recovery window
For almost a year now, I having been running the below script daily to backup my database. Now I am begining to run out of disk space, and can not run the backup commands unless I run "delete noprompt obsolete" first.
     backup database tag=database_full_backup;
     backup archivelog all delete input tag=achivelog_backup;
     crosscheck backup;
delete expired backup;
     delete noprompt obsolete;
Is it a bad idea to rearange the order of the commands like below?
crosscheck backup;
delete expired backup;
     delete noprompt obsolete;
backup database tag=database_full_backup;
     backup archivelog all delete input tag=achivelog_backup;
thanks for any help

Hi,
No problem. You configured a recovery window of 3 days, it means you want to be able to restore/recover until sysdate - X (X up to 3) at any time. RMAN will always respect that, you can "delete obsolete" whenever you want.
Best regards
Phil

Delete command is not deleting all rows

Hi All,
Database version 10.2.0.2
Delete command is not deleting all rows and deleting some subset of rows which it should delete, ever time I delete and do the roll back, next time it will delete some random rows, count is different everytime with in the range but not complete in anyway. see the following -
select count(*) from test where evt_id in (select evt_id from test1);
COUNT(*)
27105
delete from test where evt_id in (select evt_id from test1);
16045 rows deleted.
select count(*) from test where evt_id in (select evt_id from test1);
11060
rollback;
Againg the same procedure -
select count(*) from test where evt_id in (select evt_id from test1);
COUNT(*)
27105
delete from test where evt_id in (select evt_id from test1);
14320 rows deleted.
select count(*) from test where evt_id in (select evt_id from test1);
COUNT(*)
12785
why its not deleting all the 27k rows in one shot? Is there any bug related to that?
Thanks
Abhinav

Odd that what looked like identical statements produced different results, both the counts and the deletes. The most likely cause of that is your data is changing - as Fahd suggested perhaps a simultaneous load taking place.
The delete issue is probably not due to a bug. Possible but unlikely.
If any evt_id values are NULL they won't be deleted with the subquery - a NULL in test.evt_id will never match a NULL in test1.evt_id.
Have you tried alternative subqueries - a correlated EXISTS subquery for instance?

Delete obsolete not deleting archives

Hi,
Platform : Windows 2003
Oracle : 10.2.0.4.0
We've following policy for RMAN :
CONFIGURE RETENTION POLICY TO REDUNDANCY 1;
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO 'G:\Hot_BKP\controlfile\%F';
CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON STANDBY;
CONFIGURE SNAPSHOT CONTROLFILE NAME TO 'C:\ORACLE\PRODUCT\10.2.0\DB_1\DATABASE\SNCFPROJECT.ORA'; # default
There is cascaded standby setup on this database. Now even if the archives are applied on the standby database, the "delete obsolete" is deleting obsolete backups but not the archives.
Regards,
S.K.

Hi Khurram,
The "_log_deletion_policy" parameter is set to ALL. So keeping archive log destination 'mandatory' is not necessary.
Reference: [728053.1|https://metalink2.oracle.com/metalink/plsql/f?p=130:14:1194704985657950048::::p14_database_id,p14_docid,p14_show_header,p14_show_help,p14_black_frame,p14_font:NOT,728053.1,1,1,1,helvetica]
Regards,
S.K.

Slow delete whether or not deleted singly or as a group

During performance analysis for my project I found some code where deletes from table y (I will call it), were being deleted in a loop, thus deleting one record at a time where there are approx. 87,000 records to delete. Table y has 200 million records. I rewrote the code to do a delete by internal table, i.e. DELETE y FROM TABLE t_y, to delete all 87,000 records at once. The strange thing that is happening is that the deletes take about the same time whether it is a one by one delete or all at once by internal table, ~40ms per deleted record. The delete by internal table shows in the job statistics and ST05 that it is processing 256 records at a time, so there are 340 items in the trace for the DELETE (340 * 256 ~= 87,000). All of the reads, updates, and selects take about 1ms per record. The internal table (t_y) is typed exactly like the transparent table. All of the records requested to be deleted are in the table y and there are no duplicates in the internal table.
Old Code:
LOOP AT t_y.
DELETE y FROM t_y.
ENDLOOP.
New Code:
DELETE y FROM TABLE t_y.
It takes approx. 1 hour to delete 87,000 records. So the question is why deleting all records has the same speed as deleting one by one. Secondarily, why is the system only sending 256 ercords at a time to be deleted.
Thanks,
Andy Goerdel

Hi Andy,
> one by one delete or all at once by internal table, ~40ms per deleted record.
> updates, and selects take about 1ms per record
first of all the delete has to touch the table and all indexes which is not the case for select and not necessarily for the update.
So depending on the number of indexes defined a delete has to be slower than a select or an update (which does not touch all rows) because it has to do more i/o.
> It takes approx. 1 hour to delete 87,000 records. So the question is why deleting all records has the same speed as
> deleting one by one.
that is an interesting one. One should assume that the array processing should be sligthly faster... .
> Secondarily, why is the system only sending 256 records at a time to be deleted.
The SAP application server communicates in blocks (size depends... could be 32, 40, 64 or 128) with the database.
The key fields for the delete are filled in such a block until it is full. You have no influence here.
How much indexes are defined on your table? The 40 ms is most likely driven by physical i/o for table and index blocks.
The amount of i/o that needs to be done is the same for one by one or for array processing. The array interface only
redcues the number of calls. Obviously these savings are relatively small compared to the i/o that needs to be done
in any case.
With ST04 you can check how much physiscal i/os are redquired for your deletes.
Kind regards,
Hermann

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Deleted Hotmail emails not deleting on BB

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RMAN "delete noprompt obsolete" not deleted

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