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. tj On Fri, Jul 13, 2012 at 6:48 AM, Michel Schanen <[email protected]> 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 -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/CAD2GW8r74o7Aoi3XH6=teeizfeif23xjyo0mvqg243ab5ot...@mail.gmail.com
