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On 08/02/13 23:22, Brice Goglin wrote:
> Le 08/02/2013 12:52, Samuel Thibault a ï¿©crit :
>> Would it be possible to check some file in /proc or /sys to
>> identify the machine, to make sure we are not lying?
> There's no such filesystems on BlueGene compute nodes. The CNK
> kernel redirects I/O call to the I/O node (which runs Linux).
Actually the latest BG/Q stack V1R2M0 does have a /proc directory.
However, I suspect you're probably better off calling uname() on it
and using the sysname[] component.
[samuel_at_avoca src]$ ./uname -s
Linux
[samuel_at_avoca src]$ srun ./uname -s
CNK
That's using coreutils 8.2 built for BG/Q (GCC stack, CC=mpicc
CXX=mpicc LD=mpicc).
You could get the BG/Q stack version from the release[] part:
[samuel_at_avoca src]$ srun ./uname -r
2.6.32-279.14.1.bgq.el6_V1R2M0_3.ppc64
So that's V1R2M0 with the CNK patched to eFix 3 (we've got 4-6 also
installed but they don't affect the CNK from the look of it).
cheers!
Chris
- --
Christopher Samuel Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: samuel_at_[hidden] Phone: +61 (0)3 903 55545
http://www.vlsci.org.au/ http://twitter.com/vlsci
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