Procedure for coding LOADxx

Take the following steps to code the parameters in LOADxx that relate to the sharing of system resources:

Optionally specify the sysplex name on the SYSPLEX parameter in the LOADxx parmlib member. For example, to name a sysplex EXMPLEX, code:
```
SYSPLEX  EXMPLEX
```
Note: LOADxx defines the substitution text for &SYSPLEX early in system initialization so other parmlib members can use it. Therefore, if you plan to use the &SYSPLEX system symbol in parmlib, specify the sysplex name in LOADxx. You can also specify the sysplex name on the SYSPLEX parameter in the COUPLExx parmlib member. To ensure that the name in COUPLExx matches the one in LOADxx, IBM® suggests that you specify the following in COUPLExx:
```
SYSPLEX(&SYSPLEX.)
```
If you do not specify the SYSPLEX parameter in LOADxx, the system will temporarily assign the value LOCAL to the &SYSPLEX system symbol. When the system processes the SYSPLEX parameter in COUPLExx, it assigns the value specified on that parameter to &SYSPLEX. If the value is SYSPLEX(&SYSPLEX;), the value of &SYSPLEX will remain LOCAL.
On the IEASYM statement, specify the suffixes of the IEASYMxx members that the system is to use.
Determine if you need to specify one or more IEASYSxx suffixes on the SYSPARM parameter:
- If the systems in your environment require unique system parameters, specify the system parameters in IEASYMxx (see Step 4. Create an IEASYMxx parmlib member); do not respecify the system parameters in LOADxx.
- If the systems in your environment use the same system parameters, they can share the same LOADxx member; specify the system parameters in LOADxx.
If you specify system parameters in both LOADxx and IEASYMxx, the system will use the scheme shown in Table 1 to determine which IEASYSxx members to use.

Figure 1 is an example of a LOADxx member that includes support for system symbols. The IEASYM statement specifies that IEASYMxx members IEASYMA4 and IEASYMA5 are to be used. The SYSPLEX statement specifies a sysplex name of UTCPLXJ4.

Figure 1. Example LOADxx parmlib member

  IODF     A1 IODFST   B710     A1
  IEASYM   (A4,A5)
  SYSPLEX  UTCPLXJ4
  SYSCAT   CMNJ4C113CCATALOG.J40CAT