XCF_TCLASS_CLASSLEN

Description:

Check that there are at least a certain number of different transport classes with unique class lengths defined. This check is appropriate for both monoplex and sysplex mode configurations, although it will return more useful results in sysplex mode.

Reason for check:

It is recommended that there are at least 2 different transport classes with unique class lengths defined.

z/OS® releases the check applies to:

z/OS V1R4 and later.

Parameters accepted:

Minimum number of different transport classes with unique class lengths. (must be an integer in the range of 1 to 17). Use a parameter setting of 1 for monoplex mode.

User override of IBM® values:

The following shows the default keywords for the check, which you can override on either a POLICY statement in the HZSPRMxx parmlib member or on a MODIFY command. This statement may be copied and modified to override the check defaults:

 UPDATE CHECK(IBMXCF,XCF_TCLASS_CLASSLEN) 
         SEVERITY(MED) INTERVAL(024:00) DATE('date_of_the_change')
         PARM('2') 
         REASON('Your reason for making the update.')

Reference:

For more information, see z/OS MVS Setting Up a Sysplex.

Messages:

This check issues the following exception messages:

IXCH0424E
IXCH0206E

See the IXCH messages in z/OS MVS System Messages, Vol 10 (IXC-IZP).

SECLABEL recommended for MLS users:

SYSLOW