Backup and recovery: a practical guide
Saving is the easy part. This guide starts from the question that actually matters: if the machine does not come back tomorrow morning, what do you restart from, and how long does it take?
System
4 articles
Monitoring performance with WRKSYSSTS
A screen full of numbers of which, usually, only two get read. Which ones actually help, how to read them, and what to do when they say something is wrong.
Managing batch jobs without losing your mind
Why one batch sits in the queue while the others run, and how to bring order to queues, subsystems and priorities without touching anything irreversible.