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Re: Oracle Sun T5120 support getting better in debian 6.0.5 ?



On Fri, Jul 13, 2012 at 2:02 PM, Jurij Smakov <jurij@wooyd.org> wrote:
> 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.

Using vcdrom that connected to an iso image won't work in LDOM.
My only option is to use tftp to boot up a LDOM session.
But this task (debian in LDOM) is not in high priority for me right now.


tj

>
> We should probably add it to wheezy errata.
>
>> tj
>>
>> On Fri, Jul 13, 2012 at 6:48 AM, Michel Schanen
>> <michel.schanen@googlemail.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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>
> --
> Jurij Smakov                                           jurij@wooyd.org
> Key: http://www.wooyd.org/pgpkey/                      KeyID: C99E03CC



-- 
T.J. Yang


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