by Maciej Tokar | Nov 21, 2016 | Installation, Oracle 12c R1, Other, Real Application Cluster, Redhat 7
This is third Part of my RAC lab series guiding me and you step by step in the process of building of a fully usable RAC environment for tests and learning. This third part will show you how to create virtual machines accordingly to the specification required for our...
by Maciej Tokar | Sep 9, 2016 | ASM, Linux, Oracle Database, Other, Redhat 7
This post is quite simple, but may help some of you in the process of discovering and adding new disks to ASM diskgroups on linux servers. I tend to treat my blog as a place to keep some procedures, commands and howtos for a future reference. My memory is not perfect,...
by Maciej Tokar | Jun 8, 2016 | Installation, Linux, Other, Redhat 7
If you are using Cygwin to get a display server for your Oracle GUI-driven installations or tools like dbca, asmca (as I do from time to time), you can encounter another annoying problem with X11 forwarding in example while using putty – but not when using...
by Maciej Tokar | Apr 2, 2016 | Installation, Linux, Oracle Database, Redhat 7, Upgrades
If you are using Cygwin to get a display server for your Oracle GUI-driven installations or tools like dbca, asmca (as I do from time to time), you can encounter annoying problem with X11 forwarding. I had set as always those setting on the server...
by Maciej Tokar | Apr 2, 2016 | Linux, Oracle 11g R2, Oracle 12c R1, Oracle Database, Redhat 7
I had a nice Oracle DB crash recently on one of my environments with RHEL 7.1. Do you wonder why? Some OS updates had been installed by the OS admin and my DB got crazy. See what had happened ORA-27157: OS post/wait facility removed ORA-27300: OS system dependent...
