Re: How to easily render a system unIPLable/IPLable

2005-08-24 Thread Dave Kopischke
It depends on how far you want the hardware/software to get before if
fails.
For example:

- If you have access to the HMC, rename the IMAGE profile of the LPAR your
sandbox system runs in.  Then De-activate that LPAR.  If someone attempts
to IPL that LPAR, it will fail, LPAR not activated.  If someone attempts to
activate that
LPAR, the activate will fail because the IMAGE profile does not exist.

Change the load address on your image to a non-RES volume ??? The IPL will
fail with a NO IPL TEXT message or something like that.

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How to easily render a system unIPLable/IPLable

2005-08-22 Thread McKown, John
I am running some SMP/E jobs to apply maintenance to our sandbox. It
is currently down. I have emailed everybody that it needs to say down
while I do my maintenance. Yes, I generally trust them. However, since I
have the sandbox OMVS files mounted in order to directly put the
maintenance on them, I was wondering if there is a simple, easy to
reverse, way to render a system unIPLable? I don't really want to
AMASPZAP the IPL text or anything weird like that. I don't want to
rename any libraries (such as SYS1.NUCLEUS) because that would mess up
my DDDEFs. And, just to be weird, I really love the result to be a hard
wait with a code of 0xDEADBEEF. That would amuse me greatly.


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John McKown
Senior Systems Programmer
UICI Insurance Center
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Re: How to easily render a system unIPLable/IPLable

2005-08-22 Thread Chase, John
 -Original Message-
 From: IBM Mainframe Discussion List On Behalf Of McKown, John
 
 I am running some SMP/E jobs to apply maintenance to our 
 sandbox. It is currently down. I have emailed everybody 
 that it needs to say down while I do my maintenance. Yes, I 
 generally trust them. However, since I have the sandbox 
 OMVS files mounted in order to directly put the maintenance 
 on them, I was wondering if there is a simple, easy to 
 reverse, way to render a system unIPLable?

Create a bogus IPLPARM?

-jc-

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Re: How to easily render a system unIPLable/IPLable

2005-08-22 Thread Marian Gasparovic
What does happen if IPL process does not find right LOADxx member ?

Marian

On 8/22/05, McKown, John [EMAIL PROTECTED] wrote:
 I am running some SMP/E jobs to apply maintenance to our sandbox. It
 is currently down. I have emailed everybody that it needs to say down
 while I do my maintenance. Yes, I generally trust them. However, since I
 have the sandbox OMVS files mounted in order to directly put the
 maintenance on them, I was wondering if there is a simple, easy to
 reverse, way to render a system unIPLable? I don't really want to
 AMASPZAP the IPL text or anything weird like that. I don't want to
 rename any libraries (such as SYS1.NUCLEUS) because that would mess up
 my DDDEFs. And, just to be weird, I really love the result to be a hard
 wait with a code of 0xDEADBEEF. That would amuse me greatly.
 
 
 --
 John McKown
 Senior Systems Programmer
 UICI Insurance Center
 Information Technology
 
 This message (including any attachments) contains confidential
 information intended for a specific individual and purpose, and its'
 content is protected by law.  If you are not the intended recipient, you
 should delete this message and are hereby notified that any disclosure,
 copying, or distribution of this transmission, or taking any action
 based on it, is strictly prohibited.
 
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Re: How to easily render a system unIPLable/IPLable

2005-08-22 Thread Alan Schwartz
Specifying an IODF that doesn't exist will put you in a wait state when 
you ipl.  So a simple member edit should suffice.

Alan Schwartz
Assurant Shared Business Services
Lead Systems Programmer
Phone:  651-361-4758
Fax:   651-361-5625



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08/22/2005 12:01 PM
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Subject
How to easily render a system unIPLable/IPLable






I am running some SMP/E jobs to apply maintenance to our sandbox. It
is currently down. I have emailed everybody that it needs to say down
while I do my maintenance. Yes, I generally trust them. However, since I
have the sandbox OMVS files mounted in order to directly put the
maintenance on them, I was wondering if there is a simple, easy to
reverse, way to render a system unIPLable? I don't really want to
AMASPZAP the IPL text or anything weird like that. I don't want to
rename any libraries (such as SYS1.NUCLEUS) because that would mess up
my DDDEFs. And, just to be weird, I really love the result to be a hard
wait with a code of 0xDEADBEEF. That would amuse me greatly.


--
John McKown
Senior Systems Programmer
UICI Insurance Center
Information Technology




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Re: How to easily render a system unIPLable/IPLable

2005-08-22 Thread McKown, John
 -Original Message-
 From: IBM Mainframe Discussion List 
 [mailto:[EMAIL PROTECTED] On Behalf Of Alan Schwartz
 Sent: Monday, August 22, 2005 12:09 PM
 To: IBM-MAIN@BAMA.UA.EDU
 Subject: Re: How to easily render a system unIPLable/IPLable
 
 
 Specifying an IODF that doesn't exist will put you in a wait 
 state when 
 you ipl.  So a simple member edit should suffice.
 
 Alan Schwartz

Yeah, I finally figured that out. Simple. Too bad it doesn't give my the
0xDEADBEEF wait state. I don't know where my mind is today. It seems to
have checked out over the weekend and left no forwarding address.

--
John McKown
Senior Systems Programmer
UICI Insurance Center
Information Technology

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Re: How to easily render a system unIPLable/IPLable

2005-08-22 Thread Jay Maynard
On Mon, Aug 22, 2005 at 12:37:31PM -0500, McKown, John wrote:
 Yeah, I finally figured that out. Simple. Too bad it doesn't give my the
 0xDEADBEEF wait state.

If you want dead beef, you'll have to go to a steakhouse or write custom IPL
text.

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Re: How to easily render a system unIPLable/IPLable

2005-08-22 Thread Glenn Miller
John,

It depends on how far you want the hardware/software to get before if
fails.
For example:

- If you have access to the HMC, rename the IMAGE profile of the LPAR your
sandbox system runs in.  Then De-activate that LPAR.  If someone attempts
to IPL that LPAR, it will fail, LPAR not activated.  If someone attempts to
activate that
LPAR, the activate will fail because the IMAGE profile does not exist.
Once you
finish with your maintenance, rename the IMAGE profile of that LPAR back to
its original name.  NOTE: The HMC Application does not have a rename
function.
I circumvent this 'editing' ( the customize function ) the profile I want
to rename,
change the Profile Name on the 1st customization screen, Save the 'new'
Profile,
then delete the 'original' Profile.


- Use the NOBOOTSTRAP parameter of the ICKDSF REFORMAT command
against the Sysres volume you're working on.  CAUTION: DO NOT use INIT
command.  Once you finish with your maintenance, perform ICKDSF REFORMAT
command with BOOTSTRAP  IPLDD parameters to 're-install' the correct
z/OS IPL text.


- The other suggestions regarding the LOADxx member are good.  However,
if you don't want your Sysres volume to be access, these may not meet your
requirement.


HTH

Glenn Miller


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Re: How to easily render a system unIPLable/IPLable

2005-08-22 Thread Paul Hanrahan
Just write over the boot record and then put it back later. The Dead Beef
part is tough unless you decide to mess with the second boot record and
program.

-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf
Of McKown, John
Sent: Monday, August 22, 2005 1:02 PM
To: IBM-MAIN@BAMA.UA.EDU
Subject: How to easily render a system unIPLable/IPLable


I am running some SMP/E jobs to apply maintenance to our sandbox. It is
currently down. I have emailed everybody that it needs to say down while I
do my maintenance. Yes, I generally trust them. However, since I have the
sandbox OMVS files mounted in order to directly put the maintenance on
them, I was wondering if there is a simple, easy to reverse, way to render a
system unIPLable? I don't really want to AMASPZAP the IPL text or anything
weird like that. I don't want to rename any libraries (such as SYS1.NUCLEUS)
because that would mess up my DDDEFs. And, just to be weird, I really love
the result to be a hard wait with a code of 0xDEADBEEF. That would amuse
me greatly.


--
John McKown
Senior Systems Programmer
UICI Insurance Center
Information Technology

This message (including any attachments) contains confidential information
intended for a specific individual and purpose, and its' content is
protected by law.  If you are not the intended recipient, you should delete
this message and are hereby notified that any disclosure, copying, or
distribution of this transmission, or taking any action based on it, is
strictly prohibited.

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Re: How to easily render a system unIPLable/IPLable

2005-08-22 Thread Paul Hanrahan
 Specifying an IODF that doesn't exist will put you in a wait state when 
 you ipl.  So a simple member edit should suffice.

BORING ! 

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Re: How to easily render a system unIPLable/IPLable

2005-08-22 Thread Paul Hanrahan
If the Dead Beef is important to you than don't let it go !

It's not that hard to do.  I can tell you've got what it takes.  Pot a
coffee and a few snickers bars and you'll have the dead beef wait state by
morning.


Yeah, I finally figured that out. Simple. Too bad it doesn't give my the
0xDEADBEEF wait state. I don't know where my mind is today. It seems to
have checked out over the weekend and left no forwarding address.

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