Implement the Failsafe USERMOD to prevent the creation of tapes if CA 1 has not been started.
Business Value:
The Failsafe USERMOD protects your critical company-data on tapes. Installing the Failsafe USERMOD prevents you from running any tape application, if one of the following conditions exists:
Additional Considerations:
The Failsafe USERMOD is distributed as member CTSJUSAF in the CTAPJCL library. When the Failsafe USERMOD is enabled, WTORs are issued to indicate that the CA 1 intercepts are not active. CA 1 issues message CTS999D with either CTS997E or CTS998E. An example of the one of the messages issued (CTS998E) follows:
Example: CTS998E Message
CA TAPE MGMT INTERCEPTS ARE NOT ACTIVE!! TAPES ARE NOT PROTECTED AND TAPE ACTIVITY IS NOT BEING RECORDED! CTS999D WILL BE ISSUED FOR EACH TAPE MOUNT, REPLY U, M, OR C.
U TO USE THE TAPE WITHOUT TAPE MANAGEMENT.
C TO CANCEL THE JOB WITH A USER 222.
M TO REJECT THE TAPE.
The CTS999D message identifies the tape unit, volume serial number, and data set name being opened.
Example: CTS999D
CTS999D 01F4,V00014,APPL.TRANFILE.JULY
The message in the example would be issued for data set "APPL.TRANFILE.JULY" when the volume it resides on and V00014 is mounted on unit 01F4.
The CTS997E message is issued when a foreign tape is being opened (as identified by the EXPDT=98000 JCL parameter). Otherwise, the CTS997E message is similar to the CTS998E message.
Note: For more information about the FAILSAFE USERMOD, see the Installation Guide. For more information about the CTS999D, CTS997E, and CTS998E messages, see the Message Reference Guide.
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