ORA-15005: name "orcl" is already used by an existing alias

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在进行ASM操作的时候，如果目录不存在的话，那么可能会报如下的错误：

<pre name="code" class="plain">RMAN> backup as copy database format '+kel/or';Starting backup at 13-JUN-14using channel ORA_DISK_1channel ORA_DISK_1: starting datafile copyinput datafile fno=00001 name=/home/oracle/oradata/ipap/system01.dbfoutput filename=+KEL/or tag=TAG20140613T002201 recid=16 stamp=850090987channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:16channel ORA_DISK_1: starting datafile copyinput datafile fno=00003 name=/home/oracle/oradata/ipap/sysaux01.dbfRMAN-00571: ===========================================================RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============RMAN-00571: ===========================================================RMAN-03009: failure of backup command on ORA_DISK_1 channel at 06/13/2014 00:23:20ORA-19504: failed to create file "+KEL/or"ORA-17502: ksfdcre:4 Failed to create file +KEL/orORA-15005: name "or" is already used by an existing alias

但是在查看文件的时候，这个文件却已经创建了

ASMCMD> ls -lType      Redund  Striped  Time             Sys  Name                                            Y    IPAP/                                            N    or => +KEL/IPAP/DATAFILE/SYSTEM.257.850090925

文件创建做的好像是一个链接，但是这个备份应该没有做完，因为在创建第一个文件的时候就开始报错。

有人说配置控制文件自动进行备份即可，从而进行配置：

RMAN> configure controlfile autobackup on;new RMAN configuration parameters:CONFIGURE CONTROLFILE AUTOBACKUP ON;new RMAN configuration parameters are successfully stored

但是发现依然报错

在进行直接备份的时候是OK的，也就是不添加不存在的文件夹，直接来进行备份，如下：

RMAN> backup as copy database format '+KEL';Starting backup at 13-JUN-14using channel ORA_DISK_1channel ORA_DISK_1: starting datafile copyinput datafile fno=00001 name=/home/oracle/oradata/ipap/system01.dbfoutput filename=+KEL/ipap/datafile/system.257.850091431 tag=TAG20140613T003030 recid=17 stamp=850091498channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:15channel ORA_DISK_1: starting datafile copyinput datafile fno=00003 name=/home/oracle/oradata/ipap/sysaux01.dbfoutput filename=+KEL/ipap/datafile/sysaux.256.850091507 tag=TAG20140613T003030 recid=18 stamp=850091538channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:35channel ORA_DISK_1: starting datafile copyinput datafile fno=00002 name=/home/oracle/oradata/ipap/undotbs01.dbfoutput filename=+KEL/ipap/datafile/undotbs1.258.850091543 tag=TAG20140613T003030 recid=19 stamp=850091544channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:03channel ORA_DISK_1: starting datafile copyinput datafile fno=00004 name=/home/oracle/oradata/ipap/users01.dbfoutput filename=+KEL/ipap/datafile/users.259.850091545 tag=TAG20140613T003030 recid=20 stamp=850091545channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01Finished backup at 13-JUN-14Starting Control File and SPFILE Autobackup at 13-JUN-14piece handle=/home/oracle/flash_recovery_area/IPAP/autobackup/2014_06_13/o1_mf_s_850091546_9sob8ck2_.bkp comment=NONEFinished Control File and SPFILE Autobackup at 13-JUN-14

创建一个文件夹，再次来进行备份发现还是不行的。。。只能直接备份在ASM磁盘组中，而不能指定文件夹：

RMAN> backup as copy database format '+kel/test';Starting backup at 13-JUN-14using channel ORA_DISK_1channel ORA_DISK_1: starting datafile copyinput datafile fno=00001 name=/home/oracle/oradata/ipap/system01.dbfRMAN-00571: ===========================================================RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============RMAN-00571: ===========================================================RMAN-03009: failure of backup command on ORA_DISK_1 channel at 06/13/2014 00:43:51ORA-19504: failed to create file "+KEL/test"ORA-17502: ksfdcre:4 Failed to create file +KEL/testORA-15005: name "test" is already used by an existing alias

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