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Dominik Schips | 1 Aug 2007 07:31
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Re: OSCAR with openSUSE 10.2 - Problem creating systemimage

Hello Geoffroy,

Am Dienstag, den 31.07.2007, 14:15 -0400 schrieb Geoffroy Vallée:
> Dominik,
> 
> Trunk is a development version so it happens that it is broken. In that case 
> the core team decided to not branch before to modify the core. Nothing i can 
> do against that.

Oh, I'm sorry. I thought you mean that there are tecnical problems so
that trunk is not the latest development version.
I know that trunk is a development version and it could be broken some
times.

> I am working with Jean on fixing trunk. We did good progress at least with 
> Debian but most of the fixes should also apply to RPM based Linux 
> distributions. However, i am working on OSCAR during my free time so it may 
> take a while.

You do good work. I'd like to spent more free time on OSCAR in the next
weeks if I can get my hands on a dedicated openSUSE machine. At the
moment I only have my Debian notebook. For openSUSE development it is
better to have a dedicated openSUSE machine. :)

> Also remember that the core in 5.1 is not deeply different from the core in 
> 5.0 (OPKGC stuff).

Yes I recognized that yesterday. The 5.1 code is not very different from
the 5.0 but has good improvements to support other distributions.
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Bernard Li | 1 Aug 2007 07:46

Re: OSCAR with openSUSE 10.2 - Problem creating systemimage

Hi Dominik:

On 7/31/07, Dominik Schips <dominik.schips@...> wrote:

> You do good work. I'd like to spent more free time on OSCAR in the next
> weeks if I can get my hands on a dedicated openSUSE machine. At the
> moment I only have my Debian notebook. For openSUSE development it is
> better to have a dedicated openSUSE machine. :)

Actually VMWare is a pretty good development platform.  I am running
VMWare Fusion on my MacBook and I have VMs of multiple Linux
distributions and these are my headnodes.  I do all my development
work there and when it comes time to deploy the image, I have actual
hardware to do that (although theoretically I can also create VMs, but
real hardware is faster for imaging).

In the past, I have also built some OSCAR related packages via
openSUSE's Build Service.

Cheers,

Bernard

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Geoffroy Vallée | 1 Aug 2007 08:09
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Re: OSCAR with openSUSE 10.2 - Problem creating systemimage

Le mercredi 1 août 2007 01:46, vous avez écrit :
> Hi Dominik:
>
> On 7/31/07, Dominik Schips <dominik.schips@...> wrote:
> > You do good work. I'd like to spent more free time on OSCAR in the next
> > weeks if I can get my hands on a dedicated openSUSE machine. At the
> > moment I only have my Debian notebook. For openSUSE development it is
> > better to have a dedicated openSUSE machine. :)
>
> Actually VMWare is a pretty good development platform.  I am running
> VMWare Fusion on my MacBook and I have VMs of multiple Linux
> distributions and these are my headnodes.  I do all my development
> work there and when it comes time to deploy the image, I have actual
> hardware to do that (although theoretically I can also create VMs, but
> real hardware is faster for imaging).

It works pretty well with Xen and QEMU too. :-)

My 2 cents,
--

-- 
Geoffroy

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Dominik Schips | 1 Aug 2007 08:54
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Re: OSCAR with openSUSE 10.2 - Problem creating systemimage

Hello,

Am Mittwoch, den 01.08.2007, 02:09 -0400 schrieb Geoffroy Vallée:
> Le mercredi 1 août 2007 01:46, vous avez écrit :
> > Hi Dominik:
> >
> > On 7/31/07, Dominik Schips <dominik.schips <at> credativ.de> wrote:
> > > You do good work. I'd like to spent more free time on OSCAR in the next
> > > weeks if I can get my hands on a dedicated openSUSE machine. At the
> > > moment I only have my Debian notebook. For openSUSE development it is
> > > better to have a dedicated openSUSE machine. :)
> >
> > Actually VMWare is a pretty good development platform.  I am running
> > VMWare Fusion on my MacBook and I have VMs of multiple Linux
> > distributions and these are my headnodes.  I do all my development
> > work there and when it comes time to deploy the image, I have actual
> > hardware to do that (although theoretically I can also create VMs, but
> > real hardware is faster for imaging).
> 
> It works pretty well with Xen and QEMU too. :-)
> 
> My 2 cents,

I thought about using Xen for building my little OSCAR Cluster on a
dedicated machine.

On my notebook I use VirtualBox for openSUSE. But I don't have enough
free harddisk space so I decide to use my old workstation for OSCAR
development.
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Dominik Schips | 1 Aug 2007 09:13
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Re: OSCAR with openSUSE 10.2 - Problem creating systemimage

Hello,

Am Dienstag, den 31.07.2007, 14:15 -0400 schrieb Geoffroy Vallée:

> Also remember that the core in 5.1 is not deeply different from the core in 
> 5.0 (OPKGC stuff).

I have another question about distribution (naming) support.
At the moment openSUSE is recognized as suse-10.2-x86_64 by OSCAR 5.1.
(Or by my OSCAR changings.)

Is this the normal naming for a compatible distribution (Suse, SLES,
openSUSE) or should it be openSUSE?

Example: /tftpboot/oscar/suse-10.2-x86_64

I didn't try other distributions like Fedora with OSCAR, so I didn't
have experience about that.

Would be nice if someone can tell me if suse is ok or it should bre
openSUSE.

--

-- 
Best regards

Dominik

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Bernard Li | 1 Aug 2007 09:24

Re: OSCAR with openSUSE 10.2 - Problem creating systemimage

Hi Dominik:

On 8/1/07, Dominik Schips <dominik.schips@...> wrote:

> Is this the normal naming for a compatible distribution (Suse, SLES,
> openSUSE) or should it be openSUSE?
>
> Example: /tftpboot/oscar/suse-10.2-x86_64
>
> I didn't try other distributions like Fedora with OSCAR, so I didn't
> have experience about that.

The first SuSE distribution we officially supported is openSUSE 10.0,
so according to OSCAR, suse = openSUSE.  We do not support anything
older than that.  As for SLES, it will be called 'sles' in OSCAR land.

Regarding Fedora, previous releases are called Fedora Core, so release
6 is "fc-6" -- however, for the latest release they dropped the "Core"
from the name so technically it should really be f-7 -- but I doubt
we'll waste sleep regarding this.

Cheers,

Bernard

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Dominik Schips | 1 Aug 2007 13:36
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ERROR 1062 (23000) at line 311: Duplicate entry '0' for key 1

Hello,

I get into trouble with the current trunk (5.1).

I am using openSUSE 10.2 (x86_64) and use the
oscar-repo-suse-10.0-i386-5.1a1r6068M.tar.gz and
oscar-repo-common-rpms-5.1a1r6068M.tar.gz packages.

As I understood OSCAR I need to build these packages for openSUSE
(x86_64) new but for the first try I install the repo-suse-10 and
repo-common packages.

I get this error:

List of available OPKGs:
[ /opt/oscar/packages/apitest /opt/oscar/packages/base /opt/oscar/packages/c3
/opt/oscar/packages/disable-services /opt/oscar/packages/ganglia
/opt/oscar/packages/jobmonarch /opt/oscar/packages/lam /opt/oscar/packages/linux-ha
/opt/oscar/packages/loghost /opt/oscar/packages/maui /opt/oscar/packages/mpich
/opt/oscar/packages/mta-config /opt/oscar/packages/netbootmgr
/opt/oscar/packages/networking /opt/oscar/packages/ntpconfig /opt/oscar/packages/oda
/opt/oscar/packages/openmpi /opt/oscar/packages/opium /opt/oscar/packages/pfilter
/opt/oscar/packages/pvm /opt/oscar/packages/rapt /opt/oscar/packages/sc3
/opt/oscar/packages/sge /opt/oscar/packages/sis /opt/oscar/packages/switcher
/opt/oscar/packages/sync_files /opt/oscar/packages/torque /opt/oscar/packages/yume ]
Array: 28 elements
ERROR 1062 (23000) at line 311: Duplicate entry '0' for key 1
DB_DEBUG>/opt/oscar/scripts/package_config_xmls_to_database:
====> cannot create OSCAR tables
at /opt/oscar/scripts/package_config_xmls_to_database line 463.
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Geoffroy Vallée | 1 Aug 2007 16:34
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Re: ERROR 1062 (23000) at line 311: Duplicate entry '0' for key 1

Hi Dominik,

This is a problem i also periodically have (I never took the time to look at 
this problem because i do not really like database stuff. :-) and actually we 
did not have an open ticket for that. Therefore i created one based on your 
report:
http://svn.oscar.openclustergroup.org/trac/oscar/ticket/361

Thanks for the bug report, this is very usefull, i am sure DongInn (our 
database guy) will do his best to fix the bug.

If you see other issues in the future, feel free to fill up bug reports.

Regards,

Le mercredi 1 août 2007 07:36, Dominik Schips a écrit :
> Hello,
>
> I get into trouble with the current trunk (5.1).
>
> I am using openSUSE 10.2 (x86_64) and use the
> oscar-repo-suse-10.0-i386-5.1a1r6068M.tar.gz and
> oscar-repo-common-rpms-5.1a1r6068M.tar.gz packages.
>
> As I understood OSCAR I need to build these packages for openSUSE
> (x86_64) new but for the first try I install the repo-suse-10 and
> repo-common packages.
>
> I get this error:
>
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Michael Edwards | 1 Aug 2007 19:36
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strange behavior on reimaging cluster

I have imaged this cluster several times, but after updating the image
(apparently successfully) to OFED-1.2 it won't image anymore, give an
rsync related error.  Dumped the imaging log to pastebin.

It says something about SELinux, is that normal if the head node has
SELinux disabled?

This is with RHEL 4, OSCAR 5.0, but I decided to post here ... just cuz.

Heres the log.
http://pastebin.com/m76526978

To get this far I had to add the path of pxelinux.0 to setup_pxe,
which was looking for it in /usr/lib/syslinux and not
/usr/lib64/syslinux, if that is meaningful.  I have sucessfully rerun
the setup networking step with UYOK since then.

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Geoffroy Vallée | 1 Aug 2007 21:16
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Re: strange behavior on reimaging cluster

Hi Michael,

It is currently normal that SELinux is disabled, it creates problems for which 
we do not have any solution.
And even if it is weird that you were able to install compute nodes several 
times before to see the problem, do you think your problem is related to the 
bug #307?

http://svn.oscar.openclustergroup.org/trac/oscar/ticket/307

Thanks,

Le mercredi 1 août 2007 13:36, Michael Edwards a écrit :
> I have imaged this cluster several times, but after updating the image
> (apparently successfully) to OFED-1.2 it won't image anymore, give an
> rsync related error.  Dumped the imaging log to pastebin.
>
> It says something about SELinux, is that normal if the head node has
> SELinux disabled?
>
> This is with RHEL 4, OSCAR 5.0, but I decided to post here ... just cuz.
>
> Heres the log.
> http://pastebin.com/m76526978
>
> To get this far I had to add the path of pxelinux.0 to setup_pxe,
> which was looking for it in /usr/lib/syslinux and not
> /usr/lib64/syslinux, if that is meaningful.  I have sucessfully rerun
> the setup networking step with UYOK since then.
>
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