In this short blog post, I will write about a new feature introduced with Oracle 19c. Starting with this release the plain-text listener log located in the diagnostic directory are rotated.
Continue readingInsufficient SRLs reported by DGMGRL
This is a short blog post about a small issue with the reporting of Standby Redo Logs in DGMGRL during the validation of a database.
Continue readingOPatch Apply fails if shrept.lst is missing
Every OPatch experience is different and from time to time applying a patch fails for varying reasons. Today I wanted to patch an Oracle Database 18c home. During the apply process, OPatch complained about a missing shrept.lst file.
Continue readingSymbolic Links in DIRECTORY Objects not permitted with Oracle 18c/19c
With every new release behavior changes are introduced. This applies to 18c/19c as well. I want to blog about a behavior change related to the usage of symbolic links in directory paths.
Continue readingChange output language of srvctl
During my development of TVD-Backup I wanted to implement a new subroutine for parsing the output of a srvctl config database command. The first tests on Linux were successful, but the same tests on a Windows system with a German locale failed. After a few minutes of investigation, I found out, that the output of the srvctl was in a different language then expected. In this blog post, I will demonstrate how to change the output language of srvctl.
Continue readingRunning SQL Developer on High DPI Screens
After five years, it was time for a new Laptop. My new Laptop has a high resolution screen with a resolution of 3840 x 2160. One of the first actions was to download SQL Developer 18.2. Then a surprise, the window and font size of SQL Developer was very low and hard to read and use. This short blog post will show you a way to get back the “old size” on Windows 10.
Continue readingEstimate Age or Size of ADR Home in 18c
With the release 18c, Oracle introduced the capability to calculate the size of an ADR Home before changing the purging policies. In this short blog post, I will demonstrate this new feature.
Continue readingInstance crashed with ORA-01092 Error
While I was checking a customer environment, I saw that the Repository Database of an Enterprise Manager Cloud Control installation was down. Due to the alert log, there was a hung of processes in the night and the instance was killed by the PMON. Every subsequent startup of the database failed with an ORA-01092 error. In this blog post, I will demonstrate how to analyze a memory issue which can lead to an ORA-01092 error.
Continue readingORAchk execution on SLES 12 fails with RC-001
In this short blog post, I will demonstrate an issue with the current version 12.2.0.1.4 of the famous ORAchk tool running on SuSE Linux Enterprise Server 12.
Continue readingGenerate Healthcheck Reports in HTML with CVU 12.2
With the release of Oracle 12c Release 2, the Cluster Verification Utility (CVU) was included with an updated version. Beside new checks and enhanced functionality, the possibility of generating HTML reports was added. In this blog post I will show you how to generate such HTML reports.
Continue reading