当运行archive命令的时候，数据库报错：
SQL> alter system log current;
alter system log current
*
ERROR at line 1:
ORA-16038: log 1 sequence# 1 cannot be archived
ORA-19809: limit exceeded recovery files
ORA-00312: online log 1 thread 1: '/u01/livedata/live/redo01.log'
这个错误的原因是recovery文件的大小超出限制了，解决方法有两个，一个是删除旧有的文件，另一个是扩大空间限制
1. 删除旧文件
这种方式是进入RMAN，把归档文件删掉一部分（或者全删）
$ rman
Recovery Manager: Release 11.2.0.3.0 - Production on Mon Aug 12 10:35:46 2013
RMAN> connect sys/
RMAN> delete archivelog all;
或者是
[$ rman target /]
[RMAN>DELETE ARCHIVELOG UNTIL TIME 'SYSDATE-2';]
RMAN> crosscheck archivelog all;
2. 扩大空间限制
首先找到archive文件的位置
$ sqlplus / as sysdba
SQL> show parameter background_dump_dest
SQL> log list
Database log mode Mode
Automatic archival Enabled
destination USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence 572
Next log sequence to 572
Current log sequence 580
可以看到归档日志的位置是DB_RECOVERY_FILE_DEST，精确路径也可以查到
SQL> show parameter db_recover
------------------------------------ ----------- ------------------------------
db_recovery_file_dest string /oradata2/flash_recovery_area
db_recovery_file_dest_size big integer 10G
查看空间使用情况
SQL> SELECT * FROM V$RECOVERY_FILE_DEST;
--------------------------------------------------------------------------------
SPACE_LIMIT SPACE_USED SPACE_RECLAIMABLE NUMBER_OF_FILES
----------- ---------- ----------------- ---------------
/u01/testlog
4322230272 3996808192 0 28
然后就可以增加db_recovery_file_dest_size
SQL> alter system set db_recovery_file_dest_size=20G;
System altered.
SQL> alter database open;
Database altered.
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