When the shit hits the fan, you take cover. Or, you cold stay right there, enjoy the spray and get new insights. Well, that's what I did - stood there and it was a learning experience.
It all began with an 'mksysb' backup failing on one of my development boxes. I'd start the backup, leave it for the day, and find the process stuck at one point when I come in the next day.
Creating information file (/image.data) for rootvg..
Creating list of files to back