09-24-03, 09:53 #1Registered User
- Join Date
- Sep 2003
Unanswered: Ora-27100: Shared Memory realm already exists
I installed Oracle 817 Enterprise edition software without creating a database. After that I restored the control files, data files, redo log files, and the parameter file of the production database from a backup tape. I do not want to issue CREATE DATABASE command as this would overwrite the content of the data files.
Hence, I used ORADIM to create the same Oracle instance as in the production server, specifying the parameter file that was restored from tape. The instance was created successfully.
I also set the environment variable ORACLE_SID to the create oracle instance.
But I receive the "Shared Memory realm already exists" error each time trying starting the instance, and the "ORACLE not available" each time I try shutting the database down.
How do I start the instance and open the database?
09-24-03, 11:40 #2Registered User
- Join Date
- Jul 2003
Windows or Unix?
Set your ORACLE_SID parameter.
from host, log in as sysdba
connect / as sysdba
from there you can try to figure out what is going on or get more information. Normally, when oracle creates an instance, it starts up the instance for you.- The_Duck
you can lead someone to something but they will never learn anything ...