Hi Sreejith, What is the storage you are using for stroing autobackup ? On ASM or shared filesystem ? And are you using ODM ? You may check the Metalink note: * 1308378.1* ** On Tue, Aug 30, 2011 at 9:54 AM, Sreejith Nair <sreejithsna@xxxxxxxxx>wrote: > Slightly old topic. > We are frequently getting this error 'ORA-245 (control file backup > operation failed)' after we upgraded our database to 11.2.0.2. > Would be helpful if you can share if the solution mentioned in the below > email worked for you. > > Cheers, > Sreejith > > ------- Original message ------- > From: Yong Huang <yong321@xxxxxxxxx> > To: landstander668@xxxxxxxxx > >> Cc: oracle-l@xxxxxxxxxxxxx >> > Sent: 21/7/'11, 21:55 > > Thanks, Adric. I figured that was the easiest. I was afraid it was not > supported even if it appears to work. I opened an SR and finally the > analyst suggested the same. We put it in ASM today and will see if we > still get intermittent ORA-245 (control file backup operation failed). > How long ago did you put your snapshot controlfile in ASM? You never > had the error ever since? > > Yong Huang > > We're using ASM here, for the simple reason that it's the only form of >> shared storage available in the relevant cluster. It's pretty easy to >> configure. >> RMAN> configure snapshot controlfile name to >> '+DISKGROUP/dbname/**controlfile/snapcf_dbname.f'; >> > .. > >> According to Note 1268725.1 and Bug 10263733, on 11.2.0.2 RAC, the >>> snapshot controlfile used during RMAN backup must be placed on shared >>> storage. >>> >> -- > //www.freelists.org/**webpage/oracle-l<//www.freelists.org/webpage/oracle-l> > > > > -- > //www.freelists.org/**webpage/oracle-l<//www.freelists.org/webpage/oracle-l> > > > -- Anurag Verma, Database Administrator ERCOT(Electric Reliability Council of Texas), Texas 76574 -- //www.freelists.org/webpage/oracle-l