>If VARY can't reach a device, it might as well be located on the moon.

Oh? Was there an announcement that GDPS is being extended to lunar distances?  
:)


                                                      Dennis

"If you give a mouse a cookie, he's going to ask for a glass of milk."


-----Original Message-----
From: Linux on 390 Port [mailto:LINUX-390@vm.marist.edu] On Behalf Of Alan 
Altmark
Sent: Thursday, March 31, 2011 07:24
To: LINUX-390@vm.marist.edu
Subject: Re: HyperPAV Alias definitions on DS8700

On Thursday, 03/31/2011 at 09:27 EDT, "Thompson, Michael E"
<michael_thomp...@uhc.com> wrote:
> When I do a display of the an alias I receive the following
> q 7000
> HCPQDV040E Device 7000 does not exist
> Ready(00040); T=0.01/0.01 08:11:59
>
> To me it appears that these devices are not being detected for some
> reason. The question is why.
> I will work closely with the HCD people to try to determine this. One
> thing he has told me is that the base is on MSS 0 while the aliases are
> on MSS 1. I do not know if that would have any impact or not. We are
> running on a z196.

And the anomaly is thereby revealed.  You're right, they're not being
detected since all devices for z/VM must be in channel set 0.  IBM is
aware of the requirement to enable CP to address devices in other channel
sets.

Notice that there is no syntax in the VARY command to specify a device in
any non-default channel set.  They're just good ol' 4-digit device
addresses, which is enough for a single channel set.  If VARY can't reach
a device, it might as well be located on the moon.

Alan Altmark

z/VM and Linux on System z Consultant
IBM System Lab Services and Training
ibm.com/systems/services/labservices
office: 607.429.3323
mobile; 607.321.7556
alan_altm...@us.ibm.com
IBM Endicott

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