How about querying the user directory and ensuring all volumes in it
(DEDICATE, volumes on MDISK) are online?  (DEVNO disks should be online but
not attached to the system).

Scott Rohling

On Wed, Nov 17, 2010 at 7:45 AM, Tom Huegel <[email protected]> wrote:

> I have a very dynamic lab environment with several z/VM systems and a lot
> of shared DASD that can change from day to day.
> DASD is always being varied online and attached to one system or another.
> z/VM IPL's are not scheduled but can happen at any time.
> Here is the problem. Often DASD that was varied online and used by z/VM-x
> is no longer there after it IPL's... I don't want to have everything online
> for each VM at IPL.
>
> Here is the question for discussion. I thought that I could setup a
> 'SHUTTRAP' machine that would query dasd whan it receives a shutdown signal
> and save the results in a file. Then later when z/VM comes back up I can
> have AUTOLOG1 recreate the DASD environment from the shuttrap file before
> autologing the other gueste..
>
> Any ideas? Comments?
>
> Thanks
>

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