Just attach a set of OSA triplets to your 2nd level guest for the VSWITCH.

On Mon, Oct 11, 2010 at 9:41 AM, Dave Jones <d...@vsoft-software.com> wrote:

> Yes, it can, George, no problem.
>
> DJ
>
>
> On 10/11/2010 8:36 AM, George Henke/NYLIC wrote:
>
>> Can TCPIP and VSWITCH, though isolated from Level 1, (as indicated by
>> Brian Nielsen below) still be functional at Level 2 to shake down TCPIP
>> maintenance before rolling it up to Level 1?
>>
>> Everything at Level 2 is a clone except VOLSERs.
>>
>> Brian Nielsen wrote:
>>
>>  For TCP, what happens depends on what you have set up for your L2 guest.
>>>
>>
>>  If you gave it access to a real hardware (OSA, hipersocket, etc) then you
>>>
>>
>>  have other work to do to prevent IP conflicts.  If instead you've given i
>>> t
>>> access to a disconnected VSWITCH and/or virtual LAN, then it won't cause
>>>
>>
>>  any problems because it can't connect to anything.  And, yes, defining
>>>
>>
>>  GRAFs and using DIAL is a standard practice.
>>>
>>
>>
>>
>>
>>
>> George Henke/NYLIC
>> 10/06/2010 10:46 AM
>>
>> To
>> The IBM z/VM Operating System<IBMVM@LISTSERV.UARK.EDU>
>> cc
>>
>> Subject
>> Re: IPL VM/VM Issues
>>
>>
>>
>>
>>
>> I IPLed L2 COLD, because I did not have the extra SPOOL volumes yet to
>> come up FORCE.
>>
>> So I do not have the SDF.
>>
>> I suppose I could SPXTAPE DUMP them from L1, except I do not have any
>> tape.
>>
>> Can I redirect SPXTAPE to disk to port the SDF to L2?.
>>
>>
>>
>>
>> Brian Nielsen<bniel...@sco.idaho.gov>
>> Sent by: The IBM z/VM Operating System<IBMVM@LISTSERV.UARK.EDU>
>> 10/05/2010 04:29 PM
>> Please respond to
>> The IBM z/VM Operating System<IBMVM@LISTSERV.UARK.EDU>
>>
>>
>> To
>> IBMVM@LISTSERV.UARK.EDU
>> cc
>>
>> Subject
>> Re: IPL VM/VM Issues
>>
>>
>>
>>
>>
>>
>> As others have pointed out, your L2 guest can't hurt your L1 system or
>>
>> other guests unless L2 has access to those disks.  Stating it from a
>> different angle - you should never give your L2 guest access to anything
>>
>> you don't want it to have access to.  It's no different than keeping your
>>
>> z/OS and Linux guests from stepping on each other or your L1 system.  Thi
>> s
>> guest just happens to be running VM.
>>
>> For your IPL, if you've DDR'd your SPOOL volumes from L1 to L2, there is
>>
>> no reason to do a COLD start.  Do a FORCE start instead.  Otherwise you
>>
>> need to rebuild or SPXTAPE LOAD the SDF files.
>>
>> For TCP, what happens depends on what you have set up for your L2 guest.
>>
>> If you gave it access to a real hardware (OSA, hipersocket, etc) then you
>>
>> have other work to do to prevent IP conflicts.  If instead you've given i
>> t
>> access to a disconnected VSWITCH and/or virtual LAN, then it won't cause
>>
>> any problems because it can't connect to anything.  And, yes, defining
>>
>> GRAFs and using DIAL is a standard practice.
>>
>> Something you might want to look into is setting up your system so it
>> recognizes whether it's at L1 or L2 or at DR so that it does the "right
>>
>> thing" for that situation.  There's several ways to do that, but you've
>>
>> gone down the path of diverging your L2 system from your L1 system.  At m
>> y
>> site I have it setup so that I can DDR my L1 system into my L2 guest, int
>> o
>> a couple different setups at my DR site, or into some unknown site, and i
>> t
>> comes up the way I want it to in each instance even if the others are
>> running.  It makes life easier.  What you're doing is a great learning
>>
>> experience, and eventually you'll see the value in making your multiple
>>
>> systems easier to manage.
>>
>> Brian Nielsen
>>
>>
>> On Tue, 5 Oct 2010 15:28:01 -0400, George Henke/NYLIC
>> <george_he...@newyorklife.com>  wrote:
>>
>>  L2 is a cloned L1 directory except for the volsers in the Directory and
>>>
>> CF
>>
>>> Parm files which have all been made unique, ie 540 becoming 54X.
>>>
>>> I plan to ipl as follows:
>>>
>>> system reset
>>> term conmode 3270
>>> set mach esa
>>> I 125b clear loadparm 009
>>>
>>> START COLD DRAIN
>>>
>>> To be safe, I suppose I should also add NOAUTO.
>>>
>>> L1 runs 5 z/OS machines and 3 Linuxes.
>>>
>>> They could be corrupted at L1 if I tried to bring them up in L2 at the
>>> same time  without GRS, MIM, or some other serialization product.
>>>
>>> I doubt TCPIP will work at L2 without some reconfiguring.
>>>
>>> So I should define some GRAFs and dial them.
>>>
>>> Not sure if my L2 entry in the L1 Directory needs 54XRES, 54XPAG, 54XSPL
>>>
>> ,
>>
>>> 54XW01, 54XW02 or whether I can just specify the IPL vplume, 54XRES, and
>>>
>>
>>  CP finds the rest from the Parm disk.
>>>
>>
>>
>>
>>


-- 
Mark D Pace
Senior Systems Engineer
Mainline Information Systems

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