Kalyan, Does the file /u02/oravis/dgtestdata/system.dbf physically exist, how did you create your standby, did you mv or cp the datafiles? [/steve] > -----Original Message----- > From: ora-apps-dba-bounce@xxxxxxxxxxxxx > [mailto:ora-apps-dba-bounce@xxxxxxxxxxxxx] On Behalf Of Kalyan Sundar > Sent: 12 March 2009 10:49 > To: ora-apps-dba@xxxxxxxxxxxxx > Subject: Re: Dataguard setup > > Brian/Steve, > Thanks a lot for your help. It really helped. I have started > the standby database. > > Finally when I try to start my primary database i recieve > below error:Please advice. > > SQL> startup > ORACLE instance started. > > Total System Global Area 1073741824 bytes > Fixed Size 1264892 bytes > Variable Size 427819780 bytes > Database Buffers 633339904 bytes > Redo Buffers 11317248 bytes > Database mounted. > ORA-01157: cannot identify/lock data file 1 - see DBWR trace file > ORA-01110: data file 1: '/u02/oravis/dgtestdata/system.dbf' > > > Thanks, > kalyan > > On Thu, Mar 12, 2009 at 4:08 PM, Dwyer, Brian > <Brian.Dwyer@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > ********************************************************************** > > ***** Internet email is not to be treated as a secure means of > > communication. > > North Yorkshire Police monitors all internet email activity > and content. > > This communication is intended for the addressee(s) only. > > Please notify the sender if received in error. Unauthorised use or > > disclosure of the content may be unlawful. Opinions > expressed in this > > document may not be official policy. Thank you for your > co-operation. > > > ********************************************************************** > > ***** > > > > Kalyan > > > > I think this is right. > > > > When starting the standby database so that you can recover > the archive > > logs you should do > > > > Startup nomount > > Alter database mount standby database; > > > > You then need to put it into recovery. > > > > Alter database recover managed standby database disconnect; > > > > Brian > > > > > > -----Original Message----- > > From: ora-apps-dba-bounce@xxxxxxxxxxxxx > > [mailto:ora-apps-dba-bounce@xxxxxxxxxxxxx] On Behalf Of > Kalyan Sundar > > Sent: 12 March 2009 10:12 > > To: ora-apps-dba@xxxxxxxxxxxxx > > Subject: Dataguard setup > > > > Hi All, > > I am in a process of implementing datagaurd on one of our > test database. > > Please advice. > > > > Where in I recieve following error when starting the > stand-by database: > > SQL> startup > > ORACLE instance started. > > > > Total System Global Area 1073741824 bytes Fixed Size 1264892 > > bytes Variable Size 427819780 bytes Database Buffers > > 633339904 bytes Redo Buffers 11317248 bytes > > ORA-01102: cannot mount database in EXCLUSIVE mode > > > > > > Kalyan > > > > > > > >