案例:RMAN备份控制文件报错ORA-00230: operation disallowed

天萃荷净 RMAN备份控制文件报错ORA-00230: operation disallowed: snapshot control file enqueue unavailable，分析原因为已有序列执行

1.rman备份控制文件报错

db1:/home/oracle>$rman target /

Recovery Manager: Release 10.2.0.3.0 - Production on Wed Jun 10 16:00:08 2015

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

connected to target database: ORCL (DBID=1150889877)

RMAN> backup current controlfile format '/tmp/oracleplus.ctl';

Starting backup at 10-JUN-15
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=628 instance=orcl1 devtype=DISK
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
waiting for snapshot control file enqueue
waiting for snapshot control file enqueue
waiting for snapshot control file enqueue
waiting for snapshot control file enqueue
waiting for snapshot control file enqueue
cannot make a snapshot control file
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 06/10/2015 16:03:10
ORA-00230: operation disallowed: snapshot control file enqueue unavailable

2.查看持有CF enqueue会话

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options

SQL> SELECT s.SID, USERNAME AS "User", PROGRAM, MODULE,
  2  ACTION, LOGON_TIME "Logon"
  3  FROM V$SESSION s, V$ENQUEUE_LOCK l
  4  WHERE l.SID = s.SID
  5  AND l.TYPE = 'CF'
  6  AND l.ID1 = 0
  7  AND l.ID2 = 2;

       SID User
---------- ------------------------------
PROGRAM
------------------------------------------------
MODULE
------------------------------------------------
ACTION                           Logon
-------------------------------- ------------
       648 SYS
rman@db1 (TNS V1-V3)
backup full datafile
0000152 STARTED111               03-JUN-15

kill相关session

SQL> select spid from v$process where addr in(select paddr from v$session where sid=648);

SPID
------------
40108238

SQL> !ps -ef|grep 40108238
  oracle 39125244 65011720   0 15:59:27  pts/0  0:00 grep 40108238
  oracle 40108238        1   0   Jun 03      -  1:18 oracleorcl1 (DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))


db1:/home/oracle>$kill -9 40108238

再次测试备份控制文件–OK

db1:/home/oracle>$rman target /

Recovery Manager: Release 10.2.0.3.0 - Production on Wed Jun 10 16:05:06 2015

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

connected to target database: ORCL (DBID=1150889877)

RMAN> backup current controlfile format '/tmp/oracleplus.ctl';

Starting backup at 10-JUN-15
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=632 instance=orcl1 devtype=DISK
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
including current control file in backupset
channel ORA_DISK_1: starting piece 1 at 10-JUN-15
channel ORA_DISK_1: finished piece 1 at 10-JUN-15
piece handle=/tmp/oracleplus.ctl tag=TAG20150610T160516 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02
Finished backup at 10-JUN-15

--------------------------------------ORACLE-DBA----------------------------------------

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RMAN备份控制文件报错

ORA-00230: operation disallowed