content_image/978357.jpg
<img src='content_image/978357.jpg'>

## Preparing for a new z14 ZR1 

## 3 

This chapter describes the following scenarios when preparing for a z14 ZR1 server installation: 

GLYPH<SM590000> Upgrading an existing IBM Z server (z13s) to a z14 ZR1 server and maintaining an existing serial number. 

GLYPH<SM590000> Installing a new z14 ZR1 server. 

Our examples show upgrading from an existing z13s or installing a new z14 ZR1 only. An upgrade includes a new frame, new drawers (CPC and PCIe+ I/O drawers), and new or carry-forward I/O features. 

Because many environments exists, the results that are achieved in your environment might differ from those that are described here. 

This chapter includes the following topics: 

GLYPH<SM590000> 3.1, “Hardware features” on page 32 

GLYPH<SM590000> 3.2, “Upgrading a z13s to a z14 ZR1: Maintaining existing serial number (Frame roll MES)” on page 33 

GLYPH<SM590000> 3.3, “Saving and restoring OSA configuration data” on page 43 

GLYPH<SM590000> 3.4, “Installing a new z14 ZR1 into an existing environment” on page 43 

GLYPH<SM590000> 3.5, “Saving and restoring any OSA configuration data” on page 48 

GLYPH<SM590000> 3.6, “Extra steps and processes” on page 48 

