Re: how to determine who/what is opening the database

I'm away from computer now but this may very well be it.

________________________________
From: Harel Safra <harel.safra@xxxxxxxxx>
To: Stephens, Chris; 'ORACLE-L' <oracle-l@xxxxxxxxxxxxx>
Sent: Sun Jul 25 12:58:41 2010
Subject: RE: how to determine who/what is opening the database

I think I've seen the data guard broker do things like this.

From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On 
Behalf Of Stephens, Chris
Sent: Sunday, July 25, 2010 7:33 PM
To: Stephens, Chris; ORACLE-L
Subject: RE: how to determine who/what is opening the database

This is almost certainly coming from some sort of automated process.  The 
database is only opened by something else once the database is mounted (and I’m 
trying to rename my database files!!).

From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On 
Behalf Of Stephens, Chris
Sent: Sunday, July 25, 2010 11:26 AM
To: ORACLE-L
Subject: how to determine who/what is opening the database

10.2.0.4 on RHEL 5

I’m in doing some datafile renaming for my own sanity.

The thing is, once I mount the database and rename a few datafiles, I start 
getting messages that the database is open.

ERROR at line 1:
ORA-01511: error in renaming log/data files
ORA-01121: cannot rename database file 2 - file is in use or recovery
ORA-01110: data file 2: '/u01/oradata/db_name/undotbs01.dbf'

SYS@remgt> alter database open;
alter database open
*
ERROR at line 1:
ORA-01531: a database already open by the instance


How would I go about figuring out what or who is opening the database?  This 
has happened repeatedly.

I have contact the system administrators and they can’t think of any monitoring 
software they have configured to do thiat.

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