Re: Oracle Sun T5120 support getting better in debian 6.0.5 ?
On Fri, Jul 13, 2012 at 08:20:36AM -0500, T.J. Yang wrote:
> Hi, Michel
> Thanks for sharing your info on running Debian on Sun T5120. I really
> appreciate this.
> I haven't made the switch yet. I will probably start with running the
> test using LDOM since I don't have a physical T5120 for testing.
Did you have any luck installing in LDOM? As you probably saw, nobody
replied on sparclinux list either, so I suspect that the CD-ROM was
never properly supported for LDOM installs.
We should probably add it to wheezy errata.
> On Fri, Jul 13, 2012 at 6:48 AM, Michel Schanen
> <email@example.com> wrote:
> > Hi,
> > we installed Debian SPARC 6.0.3 on 20 Sun T5120 Enterprise nodes
> > interconnected with infiniband cards and onboard network cards. The
> > infiniband cards are very buggy and only work over IP. Problem is that there
> > are no supported infiniband drivers for Linux/SPARC.
> > I recommend the Debian installation guide for SPARCs. We used the TFTP
> > method, which worked fairly well. We ran into the same trouble as you when
> > connecting a CDROM drive.
> > http://www.debian.org/releases/stable/sparc/ch04s03.html.en
> > Only trick was that the image had to be named after the IP of the
> > installation target, e.g. 192.168.0.2 -> C0.A8.00.02
> > We received these cluster nodes at no costs and we use them essentially for
> > simulation codes/testing. As the tools are all SPARC and not SPARC64 we had
> > some problems using OpenMP. For instance the atomic statement was very slow.
> > After compiling gcc with arch=SPARC64 we had a considerable performance
> > boost using OpenMP. In the end, all our development tools are now recompiled
> > with arch=SPARC64.
> > Other than that, everything works flawlessly! NFS crashes after some weeks
> > of uptime. Therefore we do a weekly reboot.
> > You will be able to log in to the ILOM SPs over SSH and eventually to your
> > system console.
> > Oh and don't forget to recompile your kernel with 64 CPU support. Otherwise
> > you will be stuck with 32 or something.
> > Michel
> T.J. Yang
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