Oracle ORA-00257 archiver error. Connect internal only, until freed

2017-09-18 72 words One minute

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Work around for this issue is to increase the amount of space allocated to db_recovery_file_dest; e.g.,

$ sqlplus sys as sysdba
SQL> show parameter db_recovery_file;
db_recovery_file_dest string /opt/oracle/flash_recovery_area
db_recovery_file_dest_size big integer 20G

Compare this with the output of ‘du -sh’; e.g.,

$ du -sh /opt/oracle/flash_recovery_area
21G /opt/oracle/flash_recovery_area

21 vs 20, so set it to something a bit bigger; e.g.,

SQL> alter system set db_recovery_file_dest_size = 30G;

Extracted from this link on Remedian.com.