Updates to CONFIG EXEC lost after installation of service for VMB

Document ID:  TEC1684792
Last Modified Date:  01/05/2017
{{active ? 'Hide' : 'Show'}} Technical Document Details

Products

  • CA VM:Backup for z/VM

Releases

  • CA VM:Backup for z/VM:Release:3.6

Components

  • CA VM:Backup for z/VM:VMB
Question:

I recently edited the CONFIG EXEC on VMBACKUP 192 disk to increase the maximum number of pages per report (cfgmaxpg). 

After a few weeks, I installed a fix for VMBACKUP (PTF RO93441) and installed it using the procedure for servicing VMB in the VMB installation manual. 

It seems that after doing the above, my CONFIG EXEC reverted back to the original version. 

How do I ensure that future updates/fixes do not replace my updated CONFIG EXEC and any other parts that may have been updated using fixes applied such as those for the VMBSYS MODULE? 

Answer:

You will need to create a LOCALMOD for the CONFIG EXEC file. How to create the LOCALMOD can be found here - https://docops.ca.com/ca-mainframe-vm-product-manager/1-2/en/reference/local-service 

 

The reason for this is the CONFIG EXEC is CA Product Code and not a configuration file. Configuration files, like the VMBACKUP CONFIG file are NOT overwritten by VMDEPLOY. However, CA Product Code is synchronized with what is installed or updated on the Code Disks maintained by VMSES when VMDEPLOY is run. Any CA Product Code that does not match what is on the Code Disks when VMDEPLOY is run will be REPLACED by what is on the Code Disks. 

 

Therefore, you will need to create a LOCALMOD for your change to the CONFIG EXEC (or any supplied CA Product Code). Creating a LOCALMOD informs VMSES that there is a customer modification to that piece of CA Product Code and it should be used. If for some reason CA supplies an PTF update to that piece of code, then the customer will be notified when VMFBLD is run that he needs to "rework" his LOCALMOD so that both the CA update and the customer's update are incorporated. 

 

Once the LOCALMOD is created, VMDEPLOY will know to use that version of the object as the one to use and compare for changes to determine if the object needs to be replaced when VMDEPLOY is run. 

 

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