As others suggest, perhaps the most productive solution is to eliminate the 
need for an operator to issue such commands. 

That *can* be done. And many agree that it -should- be done. The certainty of 
human error is the single most compelling justification for automation.  

We use a canned script, but even so, there is nothing to prevent someone from 
executing the script and shutting down the wrong LPAR.  

Part of our solution is that a) operators never shut down an LPAR, and b) LPARs 
are never routinely shut down. 

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of 
Bott, Steven
Sent: Monday, July 27, 2009 4:38 PM
To: [email protected]
Subject: Operator Validation before Executing Command

We recently experienced an outage due to an operator command being
executed on the wrong LPAR because the operator neglected to include the
RO portion of the command.  The command being executed was F
BPXOINIT,SHUTDOWN=FORKINIT.  Now Management would like all destructive
commands to have a WTOR which the operator would be asked "Do you really
want to execute this command" and provide the opportunity to reply "NO"
to abort the command.  IBM recommends using the MVS Commands
Installation Exit and the .CMD in MPFLST.  Has anyone tried using that
exit in this fashion?  Would you care to share your pain or pleasure?
Has anyone found a better solution to this problem?  Thanks for sharing
your experience.

 

Regards,

Steven Bott

Sr. Systems Administrator

CSX



  
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