On Mar 06, 2006, at 11:54am, Lars Schimmer wrote:
Hi!
til yet we used openAFS just for a big storage place.
Now I plan to install some software and libs in afs space.
I've read some websites and I know the @sys function is useful for
this.
But still 1 or 2 questions left:
1. Is there somewhere a actual overview for the @sys names?
e.g. linux 32 kernel 2.4, kernel 2.6, linux 64 kernel 2.6, win XP, win
server 2003, win 64bit,... ?!?
Well, for any running system use
fs sysname
to know the afs sysname you're on, if you want to know every @sys
entry, take a look at the afs_sysnames.h file in src/config:
#define SYS_NAME_ID_rs_aix32 701
#define SYS_NAME_ID_rs_aix41 702
...
#define SYS_NAME_ID_sun3_411 906
#define SYS_NAME_ID_sun3x_411 912
...
2. How do I use the automatic function, or is it automatic at all?
It's completely automatic and transparent. A good way of distributing
software.
E.G.: I setup one root /afs/cgv/software and in this some dirs like
the
@sys-names (i386_linux24 e.g.) and in this the directories opt,
lib,...
How do I mount this on the client to get automatic the right
directories
for the special client?
Nothing esoteric. This is an example. I have Condor installed for
various platforms, and the user sees just these directories:
[EMAIL PROTECTED]:/afs/dia.uniroma3.it/projects/condor$ ls
PLATFORM_NAME@ bin@ examples/ include/ man/ platforms/
README etc/ hosts/ lib@ manual/ sbin@
All the symlinks gets translated into the right one transparently, as
they are @sys links:
[EMAIL PROTECTED]:/afs/dia.uniroma3.it/projects/condor$ ls -l
total 32
drwxrwxrwx 9 root root 2048 Nov 22 10:42 ./
drwxr-xr-x 2 daemon root 2048 Nov 25 09:26 ../
lrwxr-xr-x 1 daemon root 28 Feb 25 2005 PLATFORM_NAME ->
platforms/@sys/PLATFORM_NAME
-rw-r--r-- 1 daemon diaafs 3138 Feb 28 2005 README
lrwxr-xr-x 1 daemon root 18 Feb 23 2005 bin -> platforms/
@sys/bin/
drwxr-xr-x 3 root root 2048 Nov 22 10:44 etc/
drwxr-xr-x 4 daemon diaafs 2048 Jan 27 2005 examples/
drwxr-xr-x 11 milicchio root 2048 Nov 22 10:44 hosts/
drwxr-xr-x 2 root root 2048 Jan 27 2005 include/
lrwxr-xr-x 1 daemon root 18 Feb 23 2005 lib -> platforms/
@sys/lib/
drwxr-xr-x 3 root root 2048 Jan 27 2005 man/
drwxr-xr-x 2 daemon diaafs 8192 Feb 11 2005 manual/
drwxr-xr-x 7 daemon root 2048 Feb 25 2005 platforms/
lrwxr-xr-x 1 daemon root 19 Feb 23 2005 sbin -> platforms/
@sys/sbin/
Platform specific files are in a different directory, named as
specified by @sys names:
[EMAIL PROTECTED]:/afs/dia.uniroma3.it/projects/condor/platforms$ ls -l
total 12
drwxr-xr-x 5 daemon root 2048 Feb 25 2005 i386_linux24/
drwxr-xr-x 5 daemon root 2048 Feb 25 2005 i386_linux26/
drwxr-xr-x 2 daemon diaafs 4096 Feb 25 2005 i386_nt40/
drwxr-xr-x 5 daemon root 2048 Feb 25 2005 ppc_darwin_70/
drwxr-xr-x 5 daemon diaafs 2048 Feb 25 2005 rs_aix52/
It works, guaranteed:
[EMAIL PROTECTED]:/afs/dia.uniroma3.it/projects/condor$ uname -a
Linux plm 2.4.27-2-686 #1 Wed Aug 17 10:34:09 UTC 2005 i686 GNU/Linux
[EMAIL PROTECTED]:/afs/dia.uniroma3.it/projects/condor$ cat PLATFORM_NAME
This platform is:
i386 Processor, Linux Kernel 2.4.x
[EMAIL PROTECTED]:/afs/dia.uniroma3.it/projects/condor$
On another platform:
milicchi:condor$ pwd
/afs/dia.uniroma3.it/projects/condor
milicchi:condor$ uname -a
AIX plmserver 2 5 0053447A4C00
milicchi:condor$ cat PLATFORM_NAME
This platform is:
RS/6000 Processor, IBM AIX 5.2
milicchi:condor$
Could I just mount /afs/cgv/soft/@sys/opt to /opt and I get the
correct
path?
Of course, what I'd do is having a directory per platform like
/afs/cgv/soft/platforms_name
and have a symlink point to that
ln -s /afs/cgv/soft/platforms_name/@sys /afs/cgv/soft/opt
Now you can symlink /opt to the opt into your AFS space.
Does anyone know a good information-place for windows software in
AFS space?
Yes, we are a small cell with 20-30 users of which just 3 using linux.
So its far easier to user debian and apt instead oft soft in AFS
space.
But for some soft which isn't in debian, the afs way seems to be quite
fair easy and useful.
It is, and it's easy :)
--
Franco Milicchio <[EMAIL PROTECTED]>
The optimist thinks this is the best of all possible worlds.
The pessimist fears it is true. [J. Robert Oppenheimer]
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