FCD

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Specifies whether FICON® director activities should be measured.

FICON director activity data is gathered by port address. There is no indication which system in the sysplex requested the I/O. Therefore, the data can be gathered on any system sharing the FICON directors. To avoid having duplicated data, you should set the FCD option on one system only.

Note: If you have specified the FCD option, please ensure that you do not disable the gathering of FICON director statistics on that system by setting STATS=NO in the IECIOSxx parmlib member. See the z/OS MVS Initialization and Tuning Reference for more information on the FICON STATS parameter.