You might not need a z/OS license for software running inside the
penguin, but you would still need licenses for all your other z/OS
software, and they would include the CP's that the penguin is running
on. I know some z/OS software is charged by usage now, but is all of
it? Not only would you need to be able to run Linux under z/OS, you'd
also need an IFL that would run z/OS, but only for the purpose of
running penguins. We already have that with z/VM, so why bother?
Dennis O'Brien
"Elected office holds more perks than Elvis' nightstand." -- Dennis
Miller
-----Original Message-----
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
John Summerfield
Sent: Tuesday, May 20, 2008 17:12
To: [email protected]
Subject: Re: z/Linux access to z/OS DASD
Thomas Kern wrote:
> Except the original poster wants to REDUCE z/OS cycles and cost, not
> INCREASE them.
I imagine that running commercial software inside a penguin on z/OS
would not require a z/OS licence any more than it does when the
penguin's running on z/VM. A penny saved is a penny saved.
How well it stacks up depends on lots of variable for which I don't have
values, nor an algorithm to assess them.
>
> /Tom Kern
>
> John Summerfield wrote:
>>
>> I imagine it's possible to port Linux to z/OS. I'm thinking here of
the
>> user-mode-linux model, where the kernel's "hardware" is provided in
the
>> host OS.
>>
>> It would need tty devices, those could be implemented via telnet (or
>> maybe ssh for the security-conscious).
>>
>> DASD, to run from, could be a VSAM dataspace or dataset.
>> Imagine
>> //penguin exec pgm=linux,parm='netconsole=....'
>> //boot dd dsn=penguin.boot,disp=shr
>> //root dd dsn=penguin.root,disp=shr
>> //home dd vol=ref=penguin.home,disp=old An entire disk
>> //* more DASD
>> //sysprint dd sysout=* kernel log
>> //sysin dd * more kernel/initrd parms
>> /*
>>
>
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--
Cheers
John
-- spambait
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