When updating the OS, and applying multiple updates it may be pertinent to perform the OS upgrades via the NIM server. This will allow you to update the system (and apply additional updates) live. This is done by cloning the rootvg (Bare metal OS) to another DISK, and then performing all of the OS upgrades … Read more
AIX using a mksysb utility to backup the OS (rootvg). This is typically very reliable and on occassion you may come across a bad mksysb image. It comes in handy to test the validity of a mksysb image. Below I list two commands for looking at an image and also what to expect if the … Read more
On occassion an oracle grid/ASM installation may fail. This may require wiping the PVs and starting again. However, Oracle is not always known for how good it performs a cleanup. Often, it will leave data behind in the header of the PV. In the example below, we’ll look at the commands to run to view … Read more