8480ch02.fm Draft Document for Review January 6, 2020 11:24 pm 2 Planning hardware and software This chapter discusses the following planning concepts and considerations: GLYPH<SM590000> Planning server hardware GLYPH<SM590000> Planning connectivity GLYPH<SM590000> External time source GLYPH<SM590000> Internal Battery Feature (IBF) GLYPH<SM590000> Planning z/OS software GLYPH<SM590000> Planning for z/VM, zTPF and Linux on IBM Z GLYPH<SM590000> Special considerations for a single server CTN GLYPH<SM590000> Migration planning 21 ' Copyright IBM Corp. 2 019. All rights reserved.