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Catalog File Scan

The Catalog File Scan display (6.2) performs complex searches of the z/OS system catalog, and then refers to the appropriate VTOCs. You do not need access to any individual data files.

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Step

Description

W/P Ref

Finding

Remarks

1

Obtain the names and volume serial numbers of each APF library using the APF Library Display (2.2.1).

 

 

 

2

Verify that the information from Step 1 agrees with the cataloged volume serial number using the Catalog File Scan display (6.2).

 

 

 

3

Prepare a work paper that documents the current disk pack volume of each z/OS library on the z/OS system catalog. Include logical Parmlib, LPA, proclib, and the linklist libraries.

 

 

 

4

Determine from previous reviews if any of these files are on different volumes than before. Determine the purpose, function, and authorization for any pack movements detected.

 

 

 

5

If the data center uses date or password protection, select a sample of high‑level qualifiers and use the Catalog File Scan (6.2) to find expired dates and unprotected files.