From: [EMAIL PROTECTED] on behalf of Shiang-Tai Lin
Sent: Sun 15/01/2006 16:37
To: Bernard Li
Cc: [email protected]
Subject: Re: [Oscar-users] add new nodes
Hi Bernard,
Would OSCAR 4.2 support FC3 x86_64? >From the
website it says
* Fedora Core 3
(x86)
* Fedora Core 2 (x86)
* Red
Hat Enterprise Linux 4 (x86, ia64, x86_64)
* Red Hat
Enterprise Linux 3 (x86, ia64,
x86_64)
...
Thanks.
ST
Bernard Li wrote:
> Hi
Alex:
>
> In that case you need to manually install the OSCAR
packages into the
> image, right?
>
> Erich has a script
which can actually integrate a generic SystemImager
> image into OSCAR, it
also installs OSCAR packages into it too. I
> believe it is still
WIP (work in progress) though.
>
> Do you mind writing up some
notes on how you did your installation (in
> regards to making the 64-bit
image), I can put it up in the FAQ if
> others are
interested.
>
> Thanks,
>
>
Bernard
>
>
------------------------------------------------------------------------
>
*From:* alex landsberg [mailto:[EMAIL PROTECTED]]
>
*Sent:* Sat 14/01/2006 10:44
> *To:* Shiang-Tai Lin
> *Cc:* Bernard
Li; [email protected]; Michael Edwards
> *Subject:* RE:
[Oscar-users] add new nodes
>
>
> As you noted in your mail -
it is possible to have a 32bit OSCAR server
> downloading and installing a
64bit OSCAR node. We do it and it works.
>
> And we do it exactly as
you described using systemimager.
>
> Regards,
>
>
Alex
>
>
> -----Original Message-----
> From:
[EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]
On Behalf Of Michael
> Edwards
> Sent: Friday, January 13, 2006 6:03
PM
> To: Shiang-Tai Lin
> Cc: Bernard Li;
[email protected]
> Subject: Re: [Oscar-users] add new
nodes
>
>
> What you would probably have to do is install the
64 bit OS on the nodes
> by hand, pull a golden image off that node with
the systemimager tools
> (not through oscar at this point) and then use
oscar to push that image
> to the other nodes.
>
> The kicker
of this is that you would still have to set up the first node
> by hand
(including all the Oscar packages!) so just for fun you might
> try your
original clone/upgrade idea on that node before pulling the
> golden image
back with systemimager. I will be a bit supprised if the
> upgrade
from x86 to x86_64 goes well, but stranger things have happened.
>
>
As a disclaimer, I have never actually done this myself, I just know it
>
is possible with the tools included with Oscar. From my
understanding,
> this is the way most people use systemimager outside the
oscar
> community.
>
> On 1/13/06, Shiang-Tai Lin
<[EMAIL PROTECTED]> wrote:
> > Hi Bernard,
> >
>
> It would be of great help if there is a documentation on how to make
a
>
> > "64-bit" image. Just out of curiosity: would it be
possible to install
>
> > the new nodes with 32-bit OS but then I
go into each node and upgrade
> > it to a 64-bit OS (this may save me
from setting up pbs, ganglia,
> > maui, etc on that node by
myself.)?
> >
> > ST
> >
> >
> >
Bernard Li wrote:
> >
> > > Hi Shiang-Tai:
> >
>
> > > I would recommend you research more carefully the
implication of
> > > running your application in 64-bit mode vs
32-bit mode in more
> > > detail. It may not be as simple as
differences for the max address
> > > space.
> >
>
> > > Currently we do not support multi-distro/multi-arch, so
the answer
> > > to #1 is no.
> > >
> > > As
for 2, it is not possible to install 64-bit OS on 32-bit
machine,
>
> > > the OS simply will not run.
> >
>
> > > Having said that, it may not be impossible to create a
x86_64 image
> > > for your new nodes and just assign the new nodes
to the "64-bit"
> > > image.
> > >
> > >
Erich is working on the multi-arch/multi-distro feature in trunk,
> >
> perhaps he has some advice/suggestions for you.
> > >
>
> > Cheers,
> > >
> > > Bernard
> >
>
> > >
--------------------------------------------------------------------
>
> > ----
> > > *From:* Shiang-Tai Lin [mailto:[EMAIL PROTECTED]]
> > >
*Sent:* Fri 13/01/2006 00:38
> > > *To:* Bernard Li
> >
> *Cc:* [email protected]
> > > *Subject:* Re:
[Oscar-users] add new nodes
> > >
> > > Bernard Li
wrote:
> > >
> > > > I'm cc:ing the oscar-users list,
please keep all responses in the
> > > > list.
> >
>
> > >
> > > Dear Bernard,
> > >
>
> > My apologies. I'd be more careful about it in the future.
> >
>
> > > >
> > > > The following are answers to
your questions:
> > > >
> > > > 1. Currently OSCAR
does not support multiple distroes, in the very
>
> > > >
near future we would be able to. So either Fedora Core 2 works,
>
> > > or you can rebuild your cluster with Fedora Core 3. 2. You
can
> > > > install a x86 OS on AMD Opteron, however, you will
only be able to
>
> > > > access max ~3GB of memory per
process. If this is not a concern
> > > > for you, then you
can try to install x86 OS. Of course if you're
> > > >
starting from scratch, it is recommended that you install a
x86_64
>
> > > > OS.
> > >
> > >
Thanks for the clear explanation. I didn't know that the difference
> >
> between 32 and 64-bit machines is just the max memory access. In
>
> > this case I would try to use x86 OS first and see if it works.
>
> >
> > > But just in case should it fail, can I
> >
> 1. use FC2 x86 OS for the original cluster but FC2 x86_64 for the
>
> > new nodes? or
> > > 2. Use FC2 x86_64 OS on an Intel 32
bit machine (so that I can use
> > > x86_64 on the whole
cluster)?
> > >
> > > Thanks a lot for your
help.
> > >
> > > ST
> > >
> > >
>
> > > > If Fedora Core 2 x86 works on your AMD dualcores,
then this should
>
> > > > be pretty
straightforward.
> > > >
> > > > Cheers,
>
> > >
> > > > Bernard
> > > >
>
> > >
------------------------------------------------------------------
> >
> > ------
> > > > *From:* Shiang-Tai Lin [mailto:[EMAIL PROTECTED]]
> > >
> *Sent:* Thu 12/01/2006 23:46
> > > > *To:* Bernard
Li
> > > > *Subject:* Re: [Oscar-users] add new nodes
>
> > >
> > > > Hi Bernard,
> > > >
>
> > > Thanks for the reply.
> > > >
> > >
> 1. I've not tried FC2 on my AMD opteron. From the FC release
> >
> > notes, it seems that it would work. Can I install FC3 on the
new
> > > > nodes if the server is FC2? 2. I thought that I'd
need x86_64 for
> > > > the new nodes. Would x86 work on a 64-bit
machine?
> > > >
> > > > Thanks for any
input.
> > > > ST
> > > >
> > > >
Bernard Li wrote:
> > > >
> > > > >
Questions:
> > > > >
> > > > > 1) Does
Fedora Core 2 run on your AMD dualcores?
> > > > > 2) Are you
planning to install 32-bit or 64-bit OS (i.e. Fedora
> > > > >
Core 2 x86 or x86_64)?
> > > > >
> > > > >
Cheers,
> > > > >
> > > > > Bernard
>
> > > >
> > > > >
> > >
--------------------------------------------------------------------
>
> > ----
> > > > > *From:*
[EMAIL PROTECTED] on behalf of
> > > > >
Shiang-Tai Lin
> > > > > *Sent:* Thu 12/01/2006 22:25
>
> > > > *To:* [email protected]
> > >
> > *Subject:* [Oscar-users] add new nodes
> > > >
>
> > > > > Hi,
> > > > >
> >
> > > I have a cluster setup with Fedora Core 2 and OSCAR 4.0. All
the
>
> > > > > computers are intel Xeon dual processor
(32-bit) PCs. I would
> > > > > like to add 3 computing nodes
to it but these 3 new computers
> > > > > have AMD dural core
64-bit processors. Is it possible to add
> > > > > these three
nodes to my original cluster using OSCAR? I read the
>
> > >
> > message by Michael J. Brim
> > > > > (http://sourceforge.net/mailarchive/message.php?msg_id=75922)
>
> > > > and it seems to me possible. If so, where can I find a
more
> > > > > detailed instruction to do this? If not, is
there any solution
> > > > > for me?
> > > >
>
> > > > > Thanks a lot.
> > > >
>
> > > > > Shiang-Tai
> > > > >
>
> > > >
> > > > >
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> > > > _______________________________________________
> >
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>
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> > > >
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