8860ch12.fm Draft Document for Review September 23, 2019 1:37 am 12 Adding storage devices This chapter describes how to define FICON switches and FICON Channel path IDs  (CHPIDs), and connect them to a DASD Control Unit. It includes a list of these potential  configuration items and a short description on how to do each of them using HCD. Note:  Not all of the following configuration items are necessarily required for your  installation. In addition, the examples presented are not exhaustive. This chapter shows only the definition process. If you want a deeper understanding of how to  use HCD and FICON, see these resources: This chapter includes the following sections: GLYPH<SM590000> I/O Configuration Using z/OS HCD and HCM , SG24-7804 GLYPH<SM590000> FICON Planning and Implementation Guide , SG24-6497 GLYPH<SM590000> Defining more I/O using HCD GLYPH<SM590000> FICON CHPIDs, Switches, and DASD control units ' Copyright IBM Corp. 2 019. All rights reserved. 267