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Dynamic data set stacking can be controlled by a variety of different DO statements in Control-M/Tape rules. These DO statements enable specification of stacking criteria that affect only the data set or data sets processed by a specific rule. The DO statements that can be specified are shown in Table 13.
Table 13 Dynamic Stacking DO Statements
Statement |
Description |
|---|---|
DO STACK |
Indicates that the data set should be stacked. |
DO STKDEFSZ |
Default length for the data set if it is to be stacked. |
DO STKGROUP |
Stacking group for the data set. |
DO STKMODE |
Method to be used for stacking the data set. |
DO STKMXLBL |
The highest label number that can be assigned to the data set when it is stacked (meaning, the data set cannot be stacked on a volume or volume chain that already has the specified number of labels). |
DO STKMVOL |
The highest volume sequence number of a volume on which the data set is to be placed (meaning, the data set cannot be stacked on a volume chain that already has the specified number of volumes). |
DO STKRULE |
Stacking limitation for the data set. |
DO STKSRCHL |
Maximum number of volumes that can be considered for stacking the data set. |
For more information about these DO statements, see the rule parameters chapter of the Control-M/Tape User Guide.
Note: Additional stacking and filtering rules can be implemented using Control-M/Tape Exit 10. A sample version of Exit 10 is supplied in the CTTX010B member of the IOA SAMPEXIT library. For more information about Control-M/Tape Exit 10, see the CTTX010 member in the IOA SAMPEXIT library.
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