Share this article :. Related Articles By Category. Labels: 12c , 18c , database , database 18c , deinstall , uninstall. December 12, at AM. January 13, at AM. December 14, at AM. Post a Comment Thank you for visiting our site and leaving your valuable comment. Popular Tags Blog Archives Popular post.
In this article, i am explaining the oem agent 12c deployment on linux host. Copying files from ASM to file system. In the present article i am going to describe the various methods that we have to copy Not moving,just copying a datafile from ASM storage Recently we had an issue with one of the Exadata compute nodes where the database instances are not controlled by srvctl.
When we use srvct Applying PSU Patch There are different ways to deinstall Oracle Database, but we will see wh In this article, we will see how to apply PSU patch to the standard cluster. I have a RAC 12c standard cluster installed with 3 nodes. Application R12 Installation. R12 Installation Ref Note : I am following the referen Follow By Email Social Feeds. Under certain circumstances, it is useful to add an entry to the oratab file that does not refer to a database.
This can allow setting the necessary variables for Oracle without having a database associated with the session. This script shows an oratab entry not associated with a database. A dummy oratab entry like this can be useful on a system that does not yet have a database configured on it or on an Oracle Application Server or a Client install where there may never be a database.
The oratab filetypically contains an entry for each database, but in the current configuration, there is no database set up. To use the oraenv script, set up a dummy entry in the oratab file. The oratab file can be edited by the oracle user using vi or another text editor. Each line in the oratab file has three elements separated by colons. Make sure the final element is set to N so Oracle does not attempt to start a database that is not there.
As expected, after taking off the entry, the error went away and I was able to create the DB!! Posted by Ravi Gaur at AM 3 comments:. The solution was simpler than what I originally thought. It appears to be caused by the fact that a tempfile with the same file existed in the past but was subsequently dropped after a switchover activity. The situation is documented in Note The catalog entry never got cleaned and still had the old entry for that file. The bug seems to be patched in version The workaround fix is rather straight.
Also find out the tempfile for the newly created tempfile. From above, we see that file 4 is the new file that was created and likely causing the unique constraint error in the catalog db. The diskgroup was still there in ASM in "dismounted" state. An attempt to mount the diskgroup results into the following error. Further it cannot be dropped. There are white papers and other documentation available on this but the steps syntactically weren't clear if you were using "IPMP" multi-pathing on the public and private networks.
Interfaces "ce0" and "ce2" are used for the public.
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