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How do I identify the files that can be deleted from flash recovery area?

748194May 19 2010 — edited May 20 2010
Greetings.

My RMAN backup failed last night:
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on oem_disk_backup channel at 05/18/2010 23:05:53
ORA-19504: failed to create file "/opt/oracle/flash/<directory_name_here>/datafile/o1_mf_users_%u_.dbf"
ORA-27044: unable to write the header block of file
Linux-x86_64 Error: 28: No space left on device
When I run the following:
select * from v$flash_recovery_area_usage;
I get the following output:
FILE_TYPE    PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
------------ ------------------ ------------------------- ---------------
CONTROLFILE                   0                         0               0
ONLINELOG                     0                         0               0
ARCHIVELOG                  2.7                       .02              61
BACKUPPIECE                 .37                         0               1
IMAGECOPY                 77.58                     44.81              22
FLASHBACKLOG               3.86                         0             144
How do I identify and delete those files taking up the <tt>PERCENT_SPACE_RECLAIMABLE</tt>?

Thanks,
Jeff
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Locked on Jun 17 2010
Added on May 19 2010
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