a blogger 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
Recently when dealing with a virtualbox, came across a specific VM that ended up getting low on disk space. Used up almost all of the space in the allocated disk. Now one can add an additional disk, or expand the existing. This post will deal with the latter ‘expand an existing virtual disk drive’. Power … Read more