Free Software Stack on Z series ?



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Free Software Stack on Z series ?

Postby HalfMadDad » Mon Sep 12, 2016 8:35 pm

Hi Everyone

This is my first post here.

I am just getting started with mainframes.

I am starting to read about Linux on the Mainframe but I am wondering about something.

Virtualisation is everything on the mainframe. When Linux is running on a Z series mainframe, is it virtualized with proprietary software or is the whole stack actually free software?

Thanks
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Re: Free Software Stack on Z series ?

 

Re: Free Software Stack on Z series ?

Postby enrico-sorichetti » Mon Sep 12, 2016 9:22 pm

zLinux is supported natively, NO virtualisation stack is necessary
cheers
enrico
When I tell somebody to RTFM or STFW I usually have the page open in another tab/window of my browser,
so that I am sure that the information requested can be reached with a very small effort

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Re: Free Software Stack on Z series ?

Postby Robert Sample » Mon Sep 12, 2016 9:58 pm

z/VM can be used to run multiple instances of Linux in an LPAR, or you can use the IFL LPAR to run the Linux system natively (z/VM also runs on IFL LPARs).

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Re: Free Software Stack on Z series ?

Postby HalfMadDad » Mon Sep 12, 2016 10:26 pm

Thanks Enrico and Robert!

I am so excited about this! You just bought yourselves another mainframe disciple!
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Re: Free Software Stack on Z series ?

Postby steve-myers » Tue Sep 13, 2016 1:31 am

Virtualization on IBM mainframes was possible since CP67 on the 360/67 in the late 1960s. It started to become more common in the early 1980s, and was a defined feature by the late 1980s when IBM started with the PR/SM "hardware" feature, though in fact it was VM/370 hiding in the hardware. So IBM has been doing virtualization for nearly 40 years!
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