Chapter 2. Hardware configuration planning 45
2.10.1 Host adapter configuration
When planning the configuration of the DS6000 host adapters that you will need, consider the
following:
1. Make a list of all the servers that will be connected to the DS6000, documenting the
amount of storage capacity they will be using, and the type of I/O workload they will
execute.
2. For the zSeries servers, document the type and number of channels you have available for
DS6000 connection. Channels can be only FICON. FICON Express2 surpasses former
FICON performance and connectivity capabilities, so it is the recommended option.
3. For the open systems servers you should also document the type and number of host bus
adapters (HBA) you have available for DS6000 ...