Category Archives: Oracle in general

Happy Easter: Oracle 11g Release 2 for Windows released

As of April 5th Oracle released Oracle 11g Release 2 for Windows 32-bit and 64-bit. The software can be donwloaded from OTN. Update: I just noticed neither Clusterware (aka “RAC”) nor ASM are available for 32-bit Windows.

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MEMORY_TARGET (SGA_TARGET) or HugePages – which to choose?

Oracle 10g introduced the SGA_TARGET and SGA_MAX_SIZE parameter which dynamically resized many SGA components on demand. With 11g Oracle developed this feature further to include the PGA as well – the feature is now called “Automatic Memory Management” (AMM) which … Continue reading

Posted in Oracle 11g Release 2, Oracle in general | 20 Comments

Integrate EM Console Startup/Shutdown into Clusterware Control

When installing a RAC clusterware is responsible for starting and stopping required resources automatically and in required order. Under normal circumstances every resource is integrated with one exception: EM Control. So this is a short guide on how to integrate … Continue reading

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Creating a Oracle 10g Release 2 or 11g Release 1 database on a 11g Release 2 Cluster

Today i installed a Oracle 11g Release 2 cluster on Solaris SPARC. Installation went smooth – except installation was not able to set up SSH equivalency automatically so i had to configure it myself. After installing Oracle 11g R2 grid … Continue reading

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How to trace DBCA (>= 10g)

Tracing DBCA can be useful. Starting with 10g onwards this can be achieved by: 1. Copy dbca to dbca_debug cp dbca dbca_debug 2. Edit dbca_debug file, fine the last line and add “-DDEBUG” before the “-classpath” argument. The edited line … Continue reading

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Creating database clones with ZFS really FAST

While working on my most recent project i tested an interesting ZFS feature: writeable snapshots aka “clones”. While testing i came to the conclusion that with the help of clones oracle databases (and, of course – other databases as well) … Continue reading

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I am Oracle Certified Trainer now

Just a short note from myself: Last week i successfully completed all requirements to become an Oracle Certified Trainer Preparing for the course took all my time so there was little time left to write in my blog. Beside preparing … Continue reading

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Oracle 11g R2 for UP-UX (Itanium) and AIX (PPC64) released

When checking OTN today i noticed the release of Oracle 11g Release 2 (11.2.0.1.0) for HP-UX (Itanium) and AIX (PPC64) I am surprised 11g R2 for Itanium was released prior 11g Release 2 for Windows…..

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OOW 2009 catch-up

Perhaps a little bit late but this post is a catch-up of interesting speeches held at the recent Oracle open world 2009: Database Consolidation Tips by Husnu Sensoy: you can get his presentation in his blog or here as local … Continue reading

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How much memory is being used per program (not process)

Sometimes administrators want to know how much memory is being used by a program (and not per process). This is especially useful to calculate the memory consumption for an oracle instance. Today i found a nice script for doing so … Continue reading

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