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Interdependency of MAKECKPT Parameters

The following table summarizes the interdependency of the MAKECKPT parameters for SMS and non-SMS data sets. It also lists the parameters that you must use, parameters you can optionally use, and parameters you do not specify.

Parameter

Data Set Not Managed by SMS

Data Set
Managed by SMS

UNIT

Optional

Optional

VOLSER

Optional

Optional

CYLINDER

Required

Required

DATACLAS

Do not specify

Optional

MGMTCLAS

Do not specify

Optional

STORCLAS

Do not specify

Optional

Important! When you allocate your database, be sure to allocate enough space for both your data and a copy of half of the allocated cylinders for your checkpoint data set. If you do not allocate enough space, the checkpoint task abnormally ends, and takes CA Deliver down in the process.