[Beowulf] [xcat-user] Cannot run offload codes with Intel Xeon Phi cards deployed via xCAT

Christopher Samuel samuel at unimelb.edu.au
Thu Aug 22 16:51:03 PDT 2013


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Hi Andrew,

On 23/08/13 02:42, Andrew Howard wrote:

> Did you configure the cards with micctrl like the docs tell you to?
> Stop mpss, run micctrl --initdefaults, then start MPSS. Otherwise
> micuser won't exist.

xCAT does that for you, the problem was with how xCAT builds the
osimage it will push out onto the Phi cards.  For some reason when it
initially generated the passwd file for the Phi cards that users was
getting lost.

Xiao Peng Wang, the xCAT dev who is looking after this code, said:

# Thanks for your finding. I'll change the code to make the
# /etc/passwd file keep the micuser userid.

So hopefully it'll be OK in future releases of xCAT.

Now I just need them to implement a way to automatically roll out NFS
mounts into the Phi images. :-)

cheers!
Chris
- -- 
 Christopher Samuel        Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computation Initiative
 Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
 http://www.vlsci.org.au/      http://twitter.com/vlsci

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