COF102I   COFVLFxx, VLF IS UNABLE TO DETERMINE THE VOLUME SERIAL FOR ANY ELIGIBLE DATA SET IN CLASS clsname.

Explanation

During virtual lookaside facility (VLF) initialization Start of changeor modificationEnd of change, the system tried to get volume serial numbers from the catalog. In the COFVLFxx parmlib member, all data set names for a class were specified with EDSN keywords, but with no VOL keywords.

In the message text:
xx
The suffix of the COFVLFxx parmlib member Start of changewhere the class definition ended. Note that the CLASS statement could be in the parmlib member shown in this message or in a previous COFVLFxx parmlib member when there is a concatenation of members.End of change
clsname
The class containing the data sets names.

System action

VLF initialization Start of changeor modificationEnd of change continues; however, the class is not included in the table of valid classes. If there is no valid class statement in COFVLFxx, Start of changefor a Start commandEnd of change VLF initialization ends after reading that member, Start of changefor a Modify command the VLF configuration is not replacedEnd of change. The system issues message COF015I.

Operator response

Notify the system programmer.

System programmer response

Do one of the following:
  • Correct the syntax in COFVLFxx.
  • Catalog the data set or sets in the class.
  • Take corrective action according to the return code and reason code returned by the LOCATE macro. These codes are displayed in message COF015I, and are described in z/OS DFSMS Managing Catalogs.

Module

COFMPARS

Source

Virtual lookaside facility (VLF)

Routing Code

Start of changeWhen issued for a Start command, 2,10. When issued for a Modify command, none.End of change

Descriptor Code

Start of changeWhen issued for a Start command, 4. When issued for a Modify command, 5.End of change