Delete old and backed up archive log,

Hi all,
Am trying to modify our RMAN backup script to delete old and backed up archive logs off the disk.
We run daily Incremental L0 or L1 backups, with 3 daily archive log backups. Currently we delete archive logs as they are backed up (backup archivelog all delete input). However, we are considering leaving x days worth of archive logs on disk, just in case, quick restore is needed (e.g. tablespace media recovery etc. etc.)
For example,
We can delete archive logs old tha n x (where x=no_days depending on database) by,
delete archivelog until time 'sysdate-15';
We can also delete archive logs that have been backed up to disk by,
delete archivelog all backed up 1 times to disk;
Questions,
1) Why does 'backed up 1 times to disk' require the 'all' in the statement ?
2) Is there any way to combine the 2 statements ? (backed up 1 times and older than x days ?). Just being a bit extra cautious to ensure that we have everything backed up. In real-world shouldn't be a problem, as we will be alerted to any backup failures, but trying to cater for the very worst situation.
Thanks for your help and insight.

Hi,
Scratch the questions. Found the answer in another thread. Seems when I tried to combine the statements initally, I had a typo.
It is now working as expected.
Thanks and regards,

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Hello forum!
My db was in ARCHIVELOG mode and It created 9GB of archived redo log files.
Now I put the db in NOARCHIVELOG mode, can I delete all the ARLF? am I sure that the DB never need those files in the future?
If yes, how can I delete them? I will use 'del' operative system command?
In addition, I found this command:
SQL>alter database open resetlogs;
is it useful for my purpose?
thank you!

You are safe to remove those archivelog files if you altered your database to no archive log mode. Just remove them from OS level
Please bear in mind that database in no archivelog mode will lost data in the event of disaster.
SQL>alter database open resetlogs;Doesn't help in your situation, it's use to bring up database after incomplete recovery.

Why backing up archive logs? (and more...)

Hi all,
If I schedule a weekly backup every Saturday:
BACKUP DATABASE PLUS ARCHIVELOG;
1- Does the command backup all the archivelogs generated during the week (and what for as far as I have the full backup) or only the archivelogs generated during the backup execution time?
2- If I use a daily incremental backup with a weekly merge strategy , does the weekly archivelogs needed (or only one day) in case of recovery?
3- The incremental Merge operation only uses the incremental backupset and the previous full backup to merge into datafile copies. No archivelogs are used to do this merge operation?
4- Does the following strategy meaningfull regarding the archivelogs (incremental and merge backup every day)?
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BACKUP INCREMENTAL LEVEL 1 FOR RECOVER OF COPY WITH TAG 'INCR' DATABASE;
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BACKUP DATABASE PLUS ARCHIVELOG;
1- Does the command backup all the archivelogs generated during the week (and what for as far as I have the full backup) or only the archivelogs generated during the backup execution time?
The above command will first generate a log switch then backup the archivelogs which have not been backed up so far then backup the database (full) and then switch the log file again and backup the remainining archivelogs.
2- If I use a daily incremental backup with a weekly merge strategy , does the weekly archivelogs needed (or only one day) in case of recovery?
RMAN always take incremental over archivelogs so if the incremental backup is available then archivelogs are not required BUT let say all the incrementals are taken as 2 am and you want to recover the database upto 4pm so next day incremental wont work then RMAN will use all incrementals upto the day of failure and then use the archivelogs for remaining recovery. In short you should decide the recovery window of your database means how far back you wanna go in case of incomplete recovery and you MUST keep all the archivelogs for that period of time.
3- The incremental Merge operation only uses the incremental backupset and the previous full backup to merge into datafile copies. No archivelogs are used to do this merge operation?
I hope answer number 2 will help here too.
4- Does the following strategy meaningfull regarding the archivelogs (incremental and merge backup every day)?
RUN {
BACKUP INCREMENTAL LEVEL 1 FOR RECOVER OF COPY WITH TAG 'INCR' DATABASE;
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BACKUP ARCHIVELOG ALL DELETE INPUT;
If this is the only backups you are having so it means your recovery window is 1 day because your backup copies are a day older than your current database and you can't use these copies to restore more than a day back. BUT you still want to backup archivelogs for last day so that in case of failure you can use restore upto a specific time and you dont want the archilogs more than a day older, those are useless because there is no prior backup available where you can apply those.
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Issue with backing up Archive logs

Hi All,
Please help me with the issues/confusions I am facing :
1. Currently, the "First active log file = S0008351.LOG" from "db2 get db cfg for SMR"
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2. There is some issue with archive backup as a result the archive backups are not running fine.
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    But the issue is :
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Hi,
>
> 1. Currently, the "First active log file = S0008351.LOG" from "db2 get db cfg for SMR"
>     In the log_dir, there should be logs >=S0008351.LOG
>     But in my case, in addition to these logs, there are some old logs like S0008309.LOG, S0008318.LOG, S0008331.LOG etc...
>     How can I clear all these 'not-really-wanted' logs from the log_dir ?
>
You should not delete logs from log_dir because there online Redo logs and if you delete then there will be problem in start of db.
> 2. There is some issue with archive backup as a result the archive backups are not running fine.
>     Since this is a very low activity system, there are not much logs generated.
>     But the issue is :
>     There are so many archive logs in the "log_archive" directory, I want to cleanup the directory now.
>     The latest online backup is @ 26.07.2011 04:01:04
>     First Log File      : S0008344.LOG
>     Last Log File       : S0008346.LOG
>
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DB backup and removal of archive log files?

I have an application that uses Oracle 10gR2 on Linux RedHat EL 4.5. The DB is fairly simple, so backing up daily or weekly by using expdp (Datapump) is fine for our needs. We have an install that uses Data Guard, which in archivelog mode is filling up the disks fast.
What is the best way to clean up archive log files in a Data Guard configuration? I have seen posts that indicate RMAN is tough to work with and has problems with recovery, so I would rather avoid it.
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What is the best approach for backing up the Archive Logs?
Because we must do this regularly, a scheduled job should be considered.
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How you backing up the database and archive logs currently? Are the backups scheduled or ran manually?
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I implemented hot backup with oracle9i and
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assuming you are using RMAN for backup -
backup ( archivelog all );
backup ( archivelog all delete input ); - to delete from file system.
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Hi all,
This is frustrating me. Our production database began to produce too many archived redo logs instantly --again. This happened before; two months ago our database was producing too many archive logs; just then we began get async i/o errors, we consulted a DBA and he restarted the database server telling us that it was caused by the system(???).
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Delete old and backed up archive log,

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