z/OS MVS Setting Up a Sysplex
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Console services

z/OS MVS Setting Up a Sysplex
SA23-1399-00

Console services has two groups named as follows:
  • SYSMCS - has five members plus one member per system. For example, in a sysplex of four systems, console services group SYSMCS has nine members.
  • SYSMCS2 - has the number of members calculated as follows:
    SYSMCS2 members = 1 + n + m
    
    Where:      n = number of systems in the sysplex
                m = RMAX/256 + 1 (round m to the nearest whole number.)
    
    RMAX is the value specified on the RMAX keyword of the
    DEFAULT statement in the CONSOLxx parmlib member.
    For example, in a sysplex of four systems and an RMAX value of 500, group SYSMCS2 has eight members. (SYSMCS2 = 1 + 4 + 3 = 8)

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