How to removed the 300GB old archive logs???

Dear Gurus
Site-A
Our Environment:
Live Production 2-Node RAC Oracle10g r2 10.2.0.4
Data and Archive is stored in Oracle ASM
Operating System: Sun Solaris10 64bit
We have two databases.
==>db-1(Site-A db-1 is Oracle streaming with Site-B db-1,so archive logs should not be deleted which is required for oracle streaming)
==>db-2
Existing Backup and Recovery Strategy:
Daily logical backup of application schema using DATA PUMP.
We have not taken any RMAN Backup still.
Please find the status of Shared Storage.
-bash-3.00$ asmcmd
ASMCMD> lsdg
State Type Rebal Unbal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Name
MOUNTED EXTERN N N 512 4096 1048576 614256 577801 0 577801 0 DATA/
MOUNTED EXTERN N N 512 4096 1048576 298948 38635 0 38635 0 FLASH/
We want to removed the old archive logs?
Please suggest the best way of removed the old archive logs for db-2 and db-1?
Can you Please suggest that how many time and how many space it's required for completed the backup?
Regards
Hitesh Gondalia
Edited by: hitgon on Oct 1, 2011 9:50 PM
Edited by: hitgon on Oct 1, 2011 10:09 PM
Edited by: hitgon on Oct 1, 2011 10:13 PM

You should consider using RMAN for backup/recovery. Logical exports (Data Pump) are useful for some purposes, but are not the preferred way to go for your backup and recovery needs. RMAN will give you better performance and so much more options.
Long-term, a great way to delete archivelog backups is via RMAN “backup archivelog …. delete input” and/or “delete archivelog … “commands.
Please delete archivelogs only after they are already backed up. RMAN will also take into consideration if the backups are needed for Streams and/or Standby.
About the backup space – a full RMAN backup is typically smaller than the size of your DB. You need to run a test to see the exact size. The frequency and type of backup should be based on your SLE for this DB.
Iordan Iotzov
http://iiotzov.wordpress.com/

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CONTROLFILE                   0                         0               0
ONLINELOG                     0                         0               0
ARCHIVELOG                99.44                         0              57
BACKUPPIECE                   0                         0               0
IMAGECOPY                     0                         0               0
FLASHBACKLOG                  0                         0               0
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CONTROLFILE                   0                         0               0
ONLINELOG                     0                         0               0
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user10243788 wrote:
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FILE_TYPE    PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
CONTROLFILE                   0                         0               0
ONLINELOG                     0                         0               0
ARCHIVELOG                99.44                         0              57
BACKUPPIECE                   0                         0               0
IMAGECOPY                     0                         0               0
FLASHBACKLOG                  0                         0               0
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FILE_TYPE    PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
CONTROLFILE                   0                         0               0
ONLINELOG                     0                         0               0
ARCHIVELOG                49.72                         0              57
BACKUPPIECE                   0                         0               0
IMAGECOPY                     0                         0               0
FLASHBACKLOG                  0                         0               0
6 rows selected.regards,
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29679          YES          NO     2012/02/22 23:11
29679          YES          YES     2012/02/22 23:11
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