If you have access to the user's LOGONBY profile in the SURROGAT class, you can 
issue the FOR command.

I didn't think there was any point in requiring separate authorization for 
LOGON BY and FOR.

And with or without RACF, if you are the current secuser you can issue FOR.

(Yes, the ESMs provide more functionality than CP by himself.)


Regards,

Alan Altmark
IBM Lab Services

-----------------
Sent from my BlackBerry Handheld.


----- Original Message -----
From: "Martin, Terry R. (CMS/CTR) (CTR)" [terry.mar...@cms.hhs.gov]
Sent: 04/20/2011 04:13 PM AST
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: [IBMVM] Detaching A disk from z/Linux guest dynamically



Thanks Tom I was just about to ask this question because I have a bunch of 
guests that I need to change.

Now I tried the FOR command and received this:

HCPFOR070E - Basically it is an authorization issue with the FOR command. We 
are running RACF here so do you know what the profile would be and what RACF 
class would need to be activated to define and permit this resource?  Can I 
also do this via the SECUSER command?

Thank You,

Terry Martin
Lockheed Martin
CMS - CITIC
3300 Lord Baltimore Drive, Suite 200, 21244
Engineering Computing
Mainframe Support
Cell - 443 632-4191


From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf 
Of Tom Huegel
Sent: Wednesday, April 20, 2011 2:37 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Detaching A disk from z/Linux guest dynamically

Since these are CP commands use FOR command and avoid logging on the LINUX 
machine.
FOR linuxname CMD DET 191
FOR linuxname CMD LINK * 191 191 MR



On Wed, Apr 20, 2011 at 8:45 AM, David Boyes 
<dbo...@sinenomine.net<mailto:dbo...@sinenomine.net>> wrote:
If the 191 is only used at Linux boot, you can change the directory entry and 
then login to the VM userid running the Linux system and:

BEGIN (if you get a CP READ)
#CP DET 191
#CP LINK * 191 191 MR
#CP DISC

(assuming your LINEND char is #)

If you are actually using the disk during runtime, then it's a lot safer to 
bounce the guest.

-- db


From: The IBM z/VM Operating System 
[mailto:IBMVM@LISTSERV.UARK.EDU<mailto:IBMVM@LISTSERV.UARK.EDU>] On Behalf Of 
Martin, Terry R. (CMS/CTR) (CTR)
Sent: Wednesday, April 20, 2011 10:22 AM
To: IBMVM@LISTSERV.UARK.EDU<mailto:IBMVM@LISTSERV.UARK.EDU>
Subject: Detaching A disk from z/Linux guest dynamically

Hi

I have a copy of the DASD volume where the A (191) disk resides for a specific 
z/Linux guest. I want to point the guest to the new copied volume from the one 
it is currently using without bringing the guest down. Is there a way to do 
this?

Thank You,

Terry Martin
Lockheed Martin
CMS - CITIC
3300 Lord Baltimore Drive, Suite 200, 21244
Engineering Computing
Mainframe Support
Cell - 443 632-4191<tel:443%20632-4191>



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