Does anyone give RSCS class A privileges? If so, the probably have to seek 
re-employment frequently :)

Regards, 
Richard Schuh 

 

> -----Original Message-----
> From: The IBM z/VM Operating System 
> [mailto:[email protected]] On Behalf Of James A. Bohnsack
> Sent: Friday, February 05, 2010 7:46 AM
> To: [email protected]
> Subject: Re: Hi everybody
> 
> I've accidentally shutdown the main production system "once", 
> as has every systems programmer with whom I worked or who 
> worked for me has done.  Only once tho.  There are or were  
> couple of gotcha's introduced by IBM.  One is the fact that 
> the official way to stop RSCS is with the SHUTDOWN command.  
> This note of caution is now in the RSCS SHUTDOWN HELP:
> 
> Use care when entering the SHUTDOWN command. If you 
> accidentally enter it
> without the appropriate RSCS prefix, it is treated as a CP 
> command and   
> passed to CP for processing. If you have the proper CP 
> privilege class,  
> this command would stop your z/VM operating system.           
>            
>                                                               
>           
> One other place or thing where SHUTDOWN is or was used is the 
> old,old PC3270 or maybe that was the 3270PC.  It was a late 
> 80's PC/XT that came out of Kingston, I think, rather than 
> Boca.  To park the hard disk so the cleaning people wouldn't 
> bump the stand it was on, you issued a SHUTDOWN command.  One 
> of the sysprogs I workied with SHUTDOWN VM rather than her 
> PC.  The next day there was a SHUTDOWN EXEC on the y-disk 
> that asked you if you "really wanted to do that".
> 
> Jim
> 
> ________________________________________
> From: The IBM z/VM Operating System [[email protected]] 
> On Behalf Of Rich Greenberg [[email protected]]
> Sent: Thursday, February 04, 2010 4:59 PM
> To: [email protected]
> Subject: Re: Hi everybody
> 
> On: Thu, Feb 04, 2010 at 10:44:34AM -0800,Schuh, Richard Wrote:
> 
> } It isn't a matter of trust, it is a matter of minimizing 
> the risk of an accidental SHUTDOWN. Here MAINT does not have 
> class A; however it does have class C. That allows it to use 
> the SET PRIV * +A in order to issue class A commands such as 
> Q CPDISKS, CPRELEASE and CPACCESS. By requiring that extra 
> step of the SET PRIV, it heightens the awareness of the 
> person to the fact that they now have extraordinary 
> capabilities and responsibilities.
> 
> Rich has hit the nail directly on the head here.  Accidents 
> and mistreaks happen, this just puts another door in front of them.
> 
> --
> Rich Greenberg  N Ft Myers, FL, USA richgr atsign panix.com  
> + 1 239 543 1353
> Eastern time.  N6LRT  I speak for myself & my dogs only.    
> VM'er since CP-67
> Canines:Val, Red, Shasta & Casey (RIP), Red & Zero, Siberians 
>  Owner:Chinook-L
> Retired at the beach                                     Asst 
> Owner:Sibernet-L
> 

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