Posts by Andrey Goryunov
Silent installation always attracts by its simplicity and power, the new release 2 of EM 12c proves it, making installation
smooth and straightforward. Before we start the installation, it is very important to make sure all prerequisites are satisfied
to avoid any unpredictable errors during the process. Let’s have a look.
I took debug of duplication and figured out that RMAN internally executes procedure dbms_tts.transport_set_check preventing any further copy operations if tablespaces do not satisfy TTS requirements. Now the plot thickens and considering RMAN shows everything that it does in log file I decided to repeat the same steps but one by one and manually. Let’s get into it.
The following story about DBA_JOBS_RUNNING and DBA_SCHEDULER_RUNNING_JOBS is based on real events.
If you support Oracle RDBMS 188.8.131.52 and want to zero downtime applying patches to databases then it is time to have a look at new possibility of Online Patching delivered with 184.108.40.206 version and described here.
Today the post is about one of the hidden parameters for OPatch which is the main contributor to non-simple process of patching.
If there is no much useful information in v$session_longops and space for the segment is already allocated how to get the same “rows completed” value of worker status as in intercative mode but using sql script? With small modification of example from the documentation I came with the PL/SQL block to get value of one Data Pump Import worker status attributes…
The new functionality to download latest patches or either apply saved ones came with installer of Oracle 220.127.116.11 (Software Updates Option) It can be used not only through OUI but with silent installation too. There are several options and variables available to get patches from MOS: oracle.installer.autoupdates… MYORACLESUPPORT_… AUTOUPDATES_MYORACLESUPPORT_… Putting it all together I got…
There is a new tool came with Oracle 11g Rel.2 that helps to modify options in installed oracle home (Enabling and Disabling Database Options) It is very simple and straightforward utility that recompiles database kernel with different flags.
Oraenv is great utility that helps to control environment and to avoid exact use of ORACLE_… variables in scripts. With invention of ORACLE_BASE it was enhanced to change the variable and to print the value in the output. More interesting that behaviour of oraenv in 18.104.22.168 has been changed
and now it is able to switch oracle base variables but it does not show oracle home path in the output, only oracle base
I was co-presenting recently at Sydney Oracle Meetup about Data Guard Compression and in preparation I did
some tests to see how it works for 22.214.171.124 (Linux x86-64). Here are my results.