z/OS APM Bridge (ZAB) PTF LU12968 questions

Products

• SYSVIEW Performance Management

Issue/Introduction

Installing the z/OS APM Bridge (ZAB) task for the first time in a multi-lpar sysplex and using one ZAB ZFS for each plex.

In regards to fix LU12968, what are the answers to these questions:

1. What are the differences with a running ZABPROC task after applying fix LU12968? Are there messages that will change?
2. How is this systemlist value going  to allow to share multiple lpars with the one zfs?
   If the systemlist is not used, how will that stop from sharing one zfs between multiple lpars?
3. What extra the runtimeZFSN parameter is providing? 

 

Environment

SYSVIEW 17.0 - z/OS supported releases - 

Resolution

Here are the answers to the above questions:

1. You won't see any difference running ZABPROC. There are no new messages.
   This PTF affects deployment for the most part.
   The only behavioral change in the application is it will now send OPS/MVS heartbeats on a 5 minute interval to let OPS/MVS know it's still up. 
   
   
2. If the systemlist contains more than one system, a directory will be created within the zFS for each system in the list.
   Each system directory will contain the runtime configurations files. All directories (systems) will use the same jar file.
   This will allow to:
   - configure ZAB different on each system if needed.
   - share the ZAB jar file among all systems in the SYSPLEX so that when you need to apply maintenance you only have to update a single jar file.
   Prior to this PTF, you could only have one runtime directory per zFS and if you wanted to share this zFS within the SYSPLEX and have each instance configured differently, you'd have to perform additional steps on your own. 

3. Prior to this PTF, the name of the zFS data set was always set to runtimeDSN followed by .ZFS.
   For example, if runtimeDSN is set to CAIPROD.ZAB.V1R0.RUNTIME then the zFS allocated is CAIPROD.ZAB.V1R0.RUNTIME.ZFS.
   But using .ZFS at the end of the DSN is not always allowed. Thus, the PTF provides a way to let you choose your own zFS DSN.