
Chapter 2. Practical planning 15
You might or might not install the z/OS distribution library volumes (DLIBs). This can easily
be four 3390-3 volumes (and these are included in the 40 GB just mentioned). If you do
not need these, you save about 11 GB.
The question, “How much disk space do I need?” is almost impossible to answer unless you
have a fairly detailed idea of what volumes you need. A general answer is that, if you want to
use a recent z/OS release with many of the common subsystems and products, you should
have
at least 40 GB disk space. More is better.
2.1.5 Linux file system layout
Our installation descriptions produce a very basic ...