How can i use ULTRAs in a SunOS 4.1.x network?
2007-12-25 10:36:00
thanx for all the answers.
This was my question:
I have a network with 15 Suns running SunOS 4.1.x. All Suns have only
the / and /usr filesystems and they mount the rest via automounter
from one Sun, running as (NIS and file) server (/home, /usr/openwin, ...).
Now i have the first 2 ULTRA 1 with Solaris 2.5.1.
My problem is, i can't switch the whole system to Solaris 2.5.x, but
i want to use the ULTRAs.
I need now some ideas how i can integrate the ULTRAs in the network,
running the required Solaris 2.5.1 and the people here can work with the
SunOS applications. Perhaps it is also possible to run the old OpenWindows
in such an enviroment?
My wish is: The ULTRAs boots the 2.5.x kernel and runs OpenWindows from
Solaris 1.x and all other SunOS-applications.
Is this possible?
And now the answers. One thing is no point for discussion: we can't change
our 4.1.x-server to Solaris 2.x now. We have special CAD software running
and we can't buy all the new versions for 2.x.
I can't make a good summary now, because i must test all the hints now.
But i think, important is:
1. Don't use Openwin from Solaris 1.x
2. NIS is working, you don't need NIS+, so automounter is also working
3. Many 4.1.x applications will run, have a look for /usr/4lib on the Ultras
4. There are SunOS 4.x patches for NIS+ and file locking available
I am looking for this patches mention by Robert Pasken. I don't find any
4.1.x patch on the 2.5.1 cdroms (and i have three in the distribution).
Perhaps someone can tell me the right numbers (for a 4.1.3 server).
Detlev
--
Detlev | Institut fuer Mikroelektronische Systeme, Uni Hannover
Habicht | D-30167 Hannover +49 511 7624992 habicht@ims.uni-hannover.de
Some answers and thanx to all the people here (i think, you will find
here several ideas):
---
From: Casper Dik <casper@holland.Sun.COM>
*ALL* OS parts must be from Solaris 2.5.1 (/opt, /usr, /usr/openwin, /usr/dt)
As for the rest, yes you can run SunOS 4.x applications on them, except for:
- programs such as top, lsof
- compilers
But remember that SunOS 4.x applications run slower under Solaris 2.x than
native applications, they typically consume more memory too.
---
From: dlp@medphys.ucl.ac.uk (Dave Plummer)
We have almost exactly that configuration here. Users NFS mount directories
from the Ultra and it NFS mounts them from the 4.1.x systems. In addition,
there is no problem with running regular 4.1.x binaries on the Ultra.
We run the Ultra as an NIS client to an NIS server on one of the 4.1.x boxes.
---
From: Anthony.Worrall@reading.ac.uk (Anthony Worrall)
You will need to use the OpenWindows 3.5 that comes with Solaris 2.5.1
on the Ultras. I assume that /usr/openwin is mounted from the auto_direct map.
On the Ultras use an auto_master file with the line
/- /etc/auto_direct
and copy the auto_direct map (minus the /usr/openwin line) into
/etc/auto_direct file with /, /usr and /usr/openwin on local disk.
(If you only have one disk on the machines then just use one partition
it make life much easier).
Or you could have an auto_direct file of the form
/usr/openwin localhost:/local/openwin
+auto_direct
---
From: catey@wren.geg.mot.com (Don Catey)
The Ultra's can be configured as NIS clients and NFS automounting works
fairly the same.
---
From: Alex Finkel <afinkel@pfn.com>
I don't think that the older openwindows (with SunOS 4) will run properly
under Solaris2, but you should be able to use X clients from SunOS4 with the
Solaris Openwindows. One thing you can do in a mixed environment where
users have a common home directory mounted over the net, is to put the
following in the users .cshrc file (if using C-Shell).
# Include the following for SunOS/Solaris determination.
#
set OSMAJ=`uname -r | awk -F. '{print $1}'`
if ( $OSMAJ == '5' ) then
setenv OPENWINHOME /usr/openwin # Where the Solaris 2.x Openwin dir is
else
setenv OPENWINHOME /u1/openwin # Where the SunOS4 Openwin is
endif
Then have users change their PATH statement to use $OPENWINHOME instead of
specifying /usr/openwin, or similar.
Now when a user logs into either OS, they will automatically use the correct
openwindows executables.
---
From: john heasley <heas@teleport.com>
i assume you mean without interfering with the sunos automounted
stuff. i used an env variable, OS=`/bin/uname -s``/bin/uname -r`, in
the automounter start-up. then made a dir on the file server called
SunOS4.1.4 and SunOS5.5 which held each os's executables. the
automounter map then reads
openwin server:/export/$OS:&
---
From: Martin Espinoza <drink@sei.com>
You don't want to run the old openwindows, which isn't possible
anyhow.
You should be able to run any old openwindows applications with
the new openwindows.
---
From: pml@cacs.usl.edu (Patrick M. Landry)
Solaris 2.5 ships with a version of openwindows. There are
a few minor differences in some of the applications
(such as the mailtool being MIME compliant) but nothing
that should bother the users. Also, most tools that are
compiled for SunOS 4 will run on the Ultras just fine. I have
an Ultra on my desk in the same situation as you. I mount
the local binaries from the same server that the SunOS 4
machines do.
---
From: John Justin Hough <john@oncology.uthscsa.edu>
It can't run openwindows version 1, but with luck it might run your
applications if the compatibility libraries in /usr/4lib are included
in your LD_LIBRARY_PATH.
---
From: Glenn Satchell <glenn@ind.tansu.com.au>
The Ultras come with Openwindows 3.5.1, which is pretty much the same
as the SunOS OW. Solaris 2.x has a binary compatability mode which
allows it to run _most_ SunOS applications. NFS, etc, is compatible
between SunOS 4.x and Solaris 2.x.
My suggestion would be to run the Solaris 2.5.1 version of openwindows
and then use the binary compatability mode to run your SunOS programs.
However, there is a performance penalty of upto 10% running in
compatability mode. This shouldn't matter that much as the Ultras are
very fast.
---
From: pasken@thunder.slu.edu (Robert Pasken)
During the install process specify that you want to use NIS from
ANOTHER Sun host (you cann't NIS on the Ultra's) and that you want to
mount the home directory from the SunOS-4.1.X hosts. You will need to
install a patch on the 4.1.X machines so that file and record locking
will be done correctly, but that patch should still be on the Solaris
CD-ROM. You will also need to install the binary compatablity package
(BCP) on the Ultra's. This will allow you to run SunOS-4.1.X apps on
the Ultra's. Hopefully, the older Sun's are running 4.1.3 and hence
you can use openwindows to open windows on either the Ultra's or the
the Sun's interchangeably. I have done this here mixing Sun-3's, Sun-4's
Sparcstations and Ultra's fairly seamlessly
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