ora-00257 默认的 db_recovery_dest 满 用户不能登入 （解决）

This afternoon, customer had faced one problem:

The user can not not connect to database,

ora-00257 error log occur:

Caustion:

The achivelog is full

1: Even we delete the archivelog from OS level, the user still can not connect to database.

Reason:

The RMAN dose not know you the database had delete the backup or archivelog.

Solution:(one of below is okay)

1:execute below comamnd to delete the archivelog from phishicay and logic:

RMAN>delete archivelog until time 'sysdate -7';

2: Extend the recovery_archivelog size:

alter system set DB_RECOVERY_FILE_DEST_SIZE=10G (the default setting is 2G)

3: alter database flashback off

Summary:

Finally, alter system to generate the archivelog:

alter system switch logfile;