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Monthly Archives: November 2009
can we change kernel parameter in linux when oracle is running
I found the following question in my blog statistics: “can we change kernel parameter in linux when oracle is running” The answer is: Yes, of course! You can alter any kernel parameter as long as it don’t require a reboot. … Continue reading
Posted in Oracle in general
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Authentificate Oracle user passwords against Active Directory using Radius
I developed this topic last year while taking the OCP course. The instructor told us about oracle authentication and because i was a little bit bored i played around with it. My goal was to use oracle external authentication to … Continue reading
Posted in Oracle in general
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Metalink HTML (aka. “non-flash”) Interface
Classic Metalink retired the last weekend. New flash-bashed Metalink currently faces a lot of problems (to be honest: it is at the moment [12th November 2009] completely unusable). Beside this major errors there are other problems: such as incredible high … Continue reading
Posted in Oracle in general
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I am now an OCE (Managing Oracle on Linux Certified Expert)
As of today i successfully passed the exam to become an OCE. Next certifiecation i am working on is “Oracle Database 10g: Real Application Clusters Administrator Certified Expert”.
Posted in Oracle in general
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Logging syslog and database audit messages to an oracle database with rsyslog
A few months ago i tested yet another syslog implementation: rsyslog. Among all other available syslog implementation such as syslog or syslog-ng rsyslog offers some nice features such as: database support MySQL Postgres Oracle Failover log destinations syslog over tcp … Continue reading
Posted in Oracle in general
16 Comments
Oracle 11g 2 Release for Solaris SPARC available
As of today (09th November 2009) Oracle 11g Release 2 is available for Solaris SPARC. You can download it from OTN. The release includes database, client and grid infrastructure (aka “clusterware” as well). According to the release schedule Oracle 11g … Continue reading
Posted in Oracle in general
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Building a custom and cheap storage server yourself
Recently i came across a project where they built their own cheap storage. The whole story is documented here and here. A colleague of me and i saw this project and wondered if this kind of storage could be used … Continue reading
Posted in Openstorage
3 Comments
Which file system to choose for running Oracle on Linux
Beneath the battle of the operating systems (Windows vs.UNIX) there one argumentation after deciding for running oracle on Linux: The choice of the file system and the “correct” partition layout. This article will sum up what file system are certified … Continue reading
Posted in Oracle in general
3 Comments
Oracle 11g Release 2 – RMAN compression comparison
Starting with Oracle 11g Oracle added several compression algorithms to compress data. They can be used for compressing tables, LOBs , compressed data pump exports or even RMAN backups. Unfortunately for some compression algorithms you need to purchase the “Advanced … Continue reading
Posted in Oracle 11g Release 2, Oracle in general
15 Comments
ACFS Snapshots
This is a short article about ACFS and the acfs snapshots feature – a new 11g Release 2 feature: How to create, work with and drop a snapshot. ACFS is the ASM Cluster File System and ships with Oracle 11g … Continue reading
Posted in Oracle in general
2 Comments