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SMS and RESTORE/RECOVER

A key standard in an SMS environment is that all data sets must be cataloged. Therefore, whenever the Restore/Recover function is used, its catalog checking feature must be activated. This is accomplished by using the following system parameters:

RECCHCATn

The default for this system parameter is N. In an SMS environment it must be specified as a Y. This system parameter ensures that if the data set being recovered is cataloged, that it goes back to its cataloged volume. For more information, see the sysparm description for RECCHCATn in the Systems Guide.

RESCHCATy

The default for this system parameter is Y. In an SMS environment it must remain as a Y. This system parameter ensures that if the data set being restored is cataloged, it goes back to its cataloged volume. For more information, see the sysparm description for RESCHCATy in the Systems Guide.

RESCRCATn

The default for this system parameter is N. In an SMS environment it should be specified as a Y. It controls whether or not the original non-VSAM data set should be scratched if the SCRATCH parameter is present on the Restore command, and the target allocation is to a different volume. For more information, see the sysparm description for RESCRCATn in the Systems Guide.

CA Disk can supply the SMS construct names (Management Class, Data Class, and Storage Class) at creation time. Use the following system parameters to control this:

SMSALLOCn

The default for this system parameter is N which means not to supply the existing class names stored in the DSNINDEX record. If the value is changed to Y then at allocation time, CA Disk will supply the Management Class, Data Class and Storage Class names. The names supplied will be the ones the data set was archived or backed up with.

In most cases, except where the ACS constructs specifically review these fields during allocation, this sysparm should remain at its default value.

SMSACSDFn

When this system parameter is specified with the default value of N, the default class names and application ID ACS routine variables are not provided during VSAM define.

When this system parameter is specified with a value of Y, ACS routine variables are provided.