As my work takes me to various places (where technology is concerned), I collect lots of browser tab of things I want to keep for later reference. I have to admit, sadly, that I lack the time to sort them out, to make a real good and nice post about them. I do not want…
Following my experience with OracleVM, I am adding my post-install steps for your pleasure. These steps are not mandatory, by design, but will help you get up and running faster and easier. These steps are relevant to Oracle VM 2.2, but might work for older (and newer) versions as well. Define bonding You should read…
Oracle begin to push their Clusterware as a 3rd party HA framework. In this article we will review a quick example of how to do it. I will refer to this post as a quick-guide, as this is by no means any full-scale guide. This article assumes you have installed Oracle Clusterware following one of…
Using udev to set persistent raw devices for iscsi in Oracle RAC
There is a major confusion among DBAs regarding how to setup raw devices for Oracle RAC or Oracle Clusterware. This confusion is caused by the turn RedHat took in how to define raw devices. Raw devices are actually a manifestation of character devices pointing to block devices. Character devices are non-buffered, so they act as…
I have had a system panicking when running the mentioned below configuration: RedHat RHEL 4 Update 6 (4.6) 64bit (x86_64) Dell PowerEdge servers Oracle RAC 11g with Clusterware 11g EMC iSCSI storage EMC PowerPate Vote and Registry LUNs are accessible as raw devices Data files are accessible through ASM with libASM During reboots or shutdowns,…
