x86_64 startup issues with Oracle 11.2

I started running an Oracle Enterprise Linux 5.6 with an Oracle 11.2 database. When I started the dbca I was hit by this error:

Any ORA-27xxx error looks scary to me but they all seem to boil down to issues with the kernel's semaphore settings. So I opened the sysctl.conf file and to my astonishment found the following:

I changed the kernel.sem line to something more useful with 4 parameters. Running sysctl -p and a restart solved the problem.

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Different silent install files WLS 10.3.2 and 10.3.3

Today I tried to cut some corners and use a silent.xml file for WLS 10.3.3 for a silent installation of 10.3.2. To my amazement on a clean machine I received the following error: oracle@xxx001:/opt/oracle$ java -Djava.io.tmpdir=/opt/oracle/tmp -jar /nfsstage/wls1032_generic.jar -mode=silent -silent_xml=./silent/wls_silent.xml -log=/tmp/wls.log Extracting 0%....................................................................................................100% The local BEA product registry is corrupted. Please select another Middleware Home or contact Oracle Support I checked the wls_silent.xml file and found that it includes Coherence, which was not bundled with the 10.3.2 version. So I modified the 10.3.3 silent_xml file from value="WebLogic Server/Core Application Server|WebLogic Server/Administration Console|WebLogic Server/Configuration Wizard and Upgrade Framework|WebLogic Server/Web 2.0 HTTP Pub-Sub Server|WebLogic Server/WebLogic JDBC Drivers|WebLogic Server/Third ...

Oracle Fusion Middleware Forum in Valencia

Last week the 22nd Fusion Middleware and PaaS Partner Community Forum took place in Valencia, Spain. For me this was a very valuable experience - again as I have visited a number of #ofmForum before. Let me recap here the highlights of this meeting. After a great Welcome-Reception the evening before, where everybody had the chance to catch up with a large number of old (and soon-to-be new) friends, the conference started with a kind of the state of the union by Jürgen Kress. The community already has more than 8000 people. This - in a fact - is a tremendous achievement. Everybody agrees that this is only possible by the relentless work of Jürgen who puts a big effort into this. It shows that other areas inside the Oracle technology stack do not benefit by equivalent communities. Even other communities, when they exist at all, do not compete in the same league. So a VERY BIG THANK YOU for Jürgen is at its place here. After the opening a keynote from Alistair Hopkins showed ver...

Unpacking Oracle cpio for AIX

When extracting a cpio file with Oracle software from OTN on AIX you might encounter the following problem: oracle@mymachine-app:/install/oracle/MRCA>cpio -idmv cpio: 0511-903 Out of phase! cpio attempting to continue... cpio: 0511-904 skipping 642010 bytes to get back in phase! One or more files lost and the previous file is possibly corrupt! Segmentation fault The solution is to use the option -idcmv oracle@mymachine-app:/install/oracle/MRCA>cpio -idcmv c Reads and writes header information in ASCII character form. If a cpio archive was created using the c flag, it must be extracted with c flag.

Andreas' Adventures

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