20 Feb Oracle 12c and its pluggable databases
Oracle 12c and its pluggable databases from Gustavo Rene Antunez ...
Posts in English
11 Jan How to Apply a Standby-First PSU Patch in a 2 node RAC environment
Oracle provides since it’s 11.2.0.1 version a way to apply certain patches, to our standby environment first, without compromising the primary database, to allow to let it burn in the Standby for the time you deem appropriate and then apply the patch binaries to the primary...
15 Oct A very personal afterthought…
I do have to start that if you came to this post in particular looking for something Oracle related, you won't find it this time, I do urge you to come back later as I need to pick up my speed here as well, not...
22 Apr The undocumented status “M” of an RMAN backup
It is not uncommon for Oracle to have something undocumented , and this is just another case of this ailment.We have a database in which we have two copies of the same backup, one we keep in the FRA, the other one in an external...
13 Apr My First IOUG Collaborate
One of the main reasons I have been a little inactive has been that in the last month and a half I have switched jobs, switched countries and had a conference to give at Collaborate in Denver , so I just wanted to share this...
13 Mar First Days as a Pythianite
One thing that has always amazed me is the way that all of our decisions, big or small, have an impact in our life. Sometimes you can’t notice the fork in the roads that those decisions have caused, but sometimes they are as clear as...
13 Dec Do you know how your Oracle RMAN backup works?
Recovery Manager or better known as RMAN, is an Oracle client utility that is installed with the Enterprise or Standard edition, you can also find it with the Admin option when installing the Oracle Client.In it's most basic form, the RMAN client connects, an it...
29 Nov The curious case of the datafile that “belonged” to 2 databases
First I want to start disclosing that I have an idea on how this happened, but haven't been able to recreate this issue, also that I was lucky enough that the tablespace that had the issue was a DUMMY tablespace so it didn't cause an...
06 Nov RAC : Cluvfy DB Healthcheck option starting in 11.2.0.3
So the other day I was doing an install of the 11.2.0.3 Clusterware binaries and came around that with the cluvfy tool in 11.2.0.3 comes now with a health check option for the Database. For this option to work you have to install or setup...
25 Oct RAC : 11gR2 Clusterware Startup Sequence
For whoever that has worked with the 11gR2 version of RAC , has ran into the startup sequence diagram, this diagram is just disturbing to see, I don't know about you, but for me is just unhelpful and not KISS.Then there is the second diagram...