This is another reason we decided to go with baselines since our snapshots are too granular as compared to the default.
The generated filenames for the archived redologs in the flash recovery area are Oracle Managed Filenames and are not determined by LOG_ARCHIVE_FORMAT.
For instructions on adding this tag and more information on the above requirements, read the setup guide: google.
RMAN backup location tips - Burleson Oracle Consulting
To place your log files somewhere else other than the FRA you should use a different parameter to specify the archived redo log locations: use LOG_ARCHIVE_DEST_1 instead of LOG_ARCHIVE_DEST.
Database Administrator has to check space on file system and then resize db_recovery_file_dest_size parameter accordingly.
The first step to fixing this issue would be to log into your server and see if you have run out of physical space on one of your disks or mounts.
Install Oracle 11g Express (XE) on CentOS : David Ghedini
The initialization parameters that determine where online redolog files are created are DB_CREATE_ONLINE_LOG_DEST_n, DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST.
If the value specified in the DB_RECOVERY_FILE_DEST parameter is cleared then as a result the flash recovery area is disabled.
Archived log files are created by ARCn processes in the flash recovery area location and the location defined by LOG_ARCHIVE_DEST_n.
Oracle Recovery Manager RMAN Backup - PSOUG.org
It could be useful to track paramter changes over time, it could useful to compare performance this month with the same month last year, etc, etc.
When you get this error your database hangs and will not allow anyone besides admin level users to log into the database to perform maintenance to fix the problem.
Backing up the Fast Recovery Area is the better of these two options but may not resolve the issue at hand if the Fast Recovery Area is subject to regular backups.