Completed: alter tablespace USERS add datafile ‘/data/oradata/eas/user06.dbf‘ size 31g
Thu Apr 30 09:52:04 2020
statement in resumable session ‘SYSTEM.SYS_IMPORT_FULL_06.1‘ was resumed
Thu Apr 30 09:52:29 2020
Thread 1 cannot allocate new log, sequence 12255
Private strand flush not complete
Current log# 2 seq# 12254 mem# 0: /data/oradata/eas/redo02.log
Thread 1 advanced to log sequence 12255 (LGWR switch)
Current log# 3 seq# 12255 mem# 0: /data/oradata/eas/redo03.log
日志组被写满了,需要增加日志组:
SQL>select group#,sequence#,bytes,members,status from v$log; 查看每组日志的状态
GROUP# SEQUENCE# BYTES MEMBERS STATUS
---------- ---------- ---------- ---------- ----------------
1 16946 52428800 1 INACTIVE ## 空闲的
2 16947 52428800 1 INACTIVE ## 空闲的
3 16948 52428800 1 CURRENT ##正在使用的
增加日志组
1、alter database add logfile group 4 (‘/opt/oradata/orclbj/redo04.log‘) size 200M
alter database add logfile group 5 (‘/opt/oradata/orclbj/redo04.log‘) size 200M
2、alter system switch logfile; 多次切换日志组
然后把之前50M的日志组删除
1、alter database drop logfile group 1; #在线增加日志组的时候,删除日志组的时候只能删除日志组状态为 INACTIVE 的日志组。
alter database add logfile group 1 (‘/opt/oradata/orclbj/redo04.log‘) size 200M
alter database drop logfile group 2;
alter database add logfile group 2 (‘/opt/oradata/orclbj/redo04.log‘) size 200M
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