On 2/15/16 8:01 AM, Wilm Boerhout wrote:
Will Senn schreef op 15-2-2016 om 14:26
[snip]
Are you documenting the setup process for your endeavors, or just
blogging about the result? I think it would be interesting to see how
you clustered those Pi Vaxen as much as to know it was possible. I've
got a few Pi around looking for something to cluster around...
There are three parts to a successful setup:
1. Since each Pi has only one Ethernet interface, make sure you use a
wired connection (wireless isn't real Ethernet) and the tun/tap
setup on the Raspbian Linux host. This is well documented in the
github simh docs. This will leave you with access to your LAN
from/to the Linux host, as well as a "separate" tap0 device for the
VAX/VMS guest.
2. Build your VAX of choice. My three cluster members are a VAXserver
3900, a MicroVAX 3900 (same "vax" build for simh) and a 16MB
MicroVAX II ("microvax2" build). The latter because I wanted to see
whether the MicroVAX II could be configured with TCP/IP at all. The
build process and its options are -again- well documented in the
simh docs.
3. Deploy your VMS OS, configure DECnet and TCP/IP and use the
CLUSTER_CONFIG DCL command procedure to first create the cluster
"master", and then add the satellites. CLUSTER_CONFIG.COM is sort of
self-documenting.
I used the V4.0 standard github sources to build, and VAX/VMS V7.3 to
deploy the cluster. Some Pi's run Raspbian Wheezy, some run Jessie. It
varies along with my mood and the phase of the moon.
As soon as I get home again (may be in a few days), I can post the
simh ini file(s), my /etc/rc.local which implements the tun/tap stuff,
as well as VMS MODPARAMS.DAT. That is as far as I will go in
documenting. Making it work and stumbling along was part of the fun.
It is my way to teach myself Linux. VMS, I know of old.
/Wilm
Thanks. I look forward to seeing the .ini's and rc.local, etc. I come at
it the other way around. I know Linux/Mac OS X/FreeBSD quite well, but
know next to nothing about VMS (I know a bit about VAX because of its
relationship to PDP-11, which I've been studying pretty relentlessly). I
have a hobbyist license for OpenVMS, but I'm unclear if that's the same
OS you are referring to?
Regards,
Will
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