About

Martin Klier

usn-it.de

Status Blog

Hello, long time no see? Many things have changed here, so my time for blogging was limited. Together with Benedikt Nahlovsky, I founded “Performing Databases“, a company to offer top-class database know-how combined with flexibility and agility. Doing all the formal requirements, and pushing business into life absorbed much of my free brain space. In […]

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Oracle SQL Developer: New window, new session. Bad behavior?

Yay, it’s there. SQL Developer 4 is usable. It brings a new session for a new window (“unshared worksheet” in Oracle terms) – I was told lately SQL Developer 3 already had this. Did you know? Now we are kind of stable in 4: The 4.0.2 build 1521 (hehe) works good, so it’s time to […]

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Oracle 11.2 PSU2 Grid Infrastructure stack start … failed to complete at crsconfig_lib.pm line 11814

Oh, sometimes it’s just (own or close-people’s) PEBKAC that costs you time and gray hair… Patching 11.2.0.4.x to PSU2 on Linux was such an issue. Problem “opatch auto” with all comfort worked well, applied the patch, but re-starting the clusterware failed with: Starting CRS… Installing Trace File Analyzer CRS-4123: Oracle High Availability Services has been […]

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Oracle on Linux: How to hide your password when using a wrapper script

Sometimes, a DBA has to write an externally called wrapper script for various Oracle-supplied commands accepting password inputs. A prominent and simple example is SQL*plus (sqlplus). The Problem The process list shows all parameters of a command that’s currently executed. wrapper1.sh Accepts all connection infos on the command line: #!/bin/bash cmdstring=”sqlplus ${1}/${2}@${3}” echo “Executed command: […]

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Slides for COLLABORATE 2014 IOUG forum talk #C14LV

Hi folks, here’s my slides for “YOUR machine and MY databases – a performing relationship?!” at Collaborate 2014 Las Vegas. Any feedback is greatly appreciated! 2014_141_Klier_odp_v1 2014_141_Klier_v1_doc Some pictures to come soon! You may want to follow the #C14LV hashtag to see what’s going on. 🙂   […]

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SQL Server Analysis Look At’s

End of March, I had a chance to dig a bit deeper into MS SQL Server analysis. The german chapter of PASS (http://www.sqlpass.org) organized one of their “Essentials”, a condensed training day with a specific topic. This one was named “SQL Server Analysis” and was held by Andreas Wolter (MCSM) in Nuremberg. Here comes my […]

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Oracle Dataguard: ORA-00600 [krsu_upi_atc.7] – crash when primary ships the first time

After setting up a new Oracle Dataguard system (primary plus one standby DB), everything looked promising. But after activating the log shipping from primary, and after archiving a redo log for the first time, the primary instance crashed with ORA-00600 [krsu_upi_atc.7]. Without the standby system available (DB idle or listener off), no error occurred. ****************************************************************** […]

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