Thanks, I've already learned how to reconfigure the IOCDS correctly and
I've learned that newer releases of Linux for s390x don't take advantage
of the 'Operating system messages' making them hard to configure or find
out if they are doing anything at all after the initial load.
The two versions of Linux I have been successful with so far have been
ThinkBlue (which was last updated in 2001) and CentOS 4.9 (which is from
around 2007-09? I think?).
Something like the most current version of Debian doesn't support these
'Operating system messages' thus making the install 'blind' you have to
setup the parmfile and HOPE you get it right, otherwise you get nothing.
Also this parmfile for Debian seems to be terribly documented for some
reason?
Once you use the OS Messages to configure the network port on one of the
OSA cards you can SSH into it, I assume this is what you mean by the
ASCII console.
Setting up 3270 consoles for Linux appears to need a package installed,
so you can only enable this after you complete an install.
I already have a console setup over an OSA-ICC configured in the IOCDS
and through the SE.
Connecting to it gives me the info on the OSA connection and such but
that's it so far.
As I have said I eventually plan to have a 3174 attached via network so
I can use an old Memorex amber terminal with it :)
I am still waiting on some cables and such to attach the SAN box up and
see if I can in fact install onto it. I am not sure if I can but I did
see some packages initializing in the CentOS installer for SCSI so I may
be-able to, we will see in the near future.
Thanks again! This has been really fun to learn about thus far, and I
plan to learn much more :)
-Connor K
On 11/8/2015 7:12 PM, Alan Altmark wrote:
Congratulations, Connor. You now belong to a very select club of people who
have a mainframe in their home. :-)
I understand that you want to run Linux. Good, because it's the only free OS
you can get that will run on that box. The MVS 3.8 that people talk about
won't, since it's a S/370 architecture OS and the z890 is ESA/390 and
z/Architecture only.
Your box comes with three types of integrated consoles, one of each per partition you
create: line mode ("Operating system messages"), 3270, and native ASCII. All
of them work with Linux, but I suspect you'll like the ASCII console the best. These
console are not devices in the traditional sense and are not defined in your IOCP.
They're more like services, rather than devices.
A z/Architecture Linux DVD can be placed in the DVD drive on the HMC, or you
can load the files to an FTP server, and boot from either location.
You will need to change your I/O configuration (IOCP) to reconfigure your fibre
channel adapters to be FCP instead of FICON. Linux will also be looking for a
network adapter (Open Systems Adapter, OSA).
Congrats, again! We're all pulling for you!
Alan Altmark
IBM
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