Idgraf

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(Overview)
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See:
See:
* http://www.tyan.com/Barebones_FT72B7015_B7015F72V2R-N825%20%5BBTO%5D
* http://www.tyan.com/Barebones_FT72B7015_B7015F72V2R-N825%20%5BBTO%5D
 +
* http://www.tyan.com/datasheets/FT72-B7015_Datasheet.pdf
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* http://www.tyan.com/manuals/FT72-B7015_V2.1.pdf
* http://www.nvidia.com/docs/IO/43395/NV_DS_Tesla_C2050_C2070_jul10_lores.pdf
* http://www.nvidia.com/docs/IO/43395/NV_DS_Tesla_C2050_C2070_jul10_lores.pdf
Beware that to support 8 GPU on a bi-socket Nehalem based machine, PCI-e switches are required, limiting the bandwidth to the PCI-e cards.
Beware that to support 8 GPU on a bi-socket Nehalem based machine, PCI-e switches are required, limiting the bandwidth to the PCI-e cards.
 +
 +
See:
 +
* http://www.qdpma.com/systemarchitecture/systemarchitecture_qpi.html
 +
* http://www.plxtech.com/products/expresslane/pex8647
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* http://www.plxtech.com/download/file/586‎
=== Privileged commands ===
=== Privileged commands ===

Revision as of 10:18, 21 February 2014

Overview

Idgraf is a Bi-Socket Intel Xeon Westmere machine featuring 8 Nvidia GPU, Tesla C2050.

See:

Beware that to support 8 GPU on a bi-socket Nehalem based machine, PCI-e switches are required, limiting the bandwidth to the PCI-e cards.

See:

Privileged commands

Currently, the following commands can be run via sudo in exclusive jobs:

  • sudo /usr/bin/whoami (provided for testing the mechanism, should return "root")
  • sudo /sbin/reboot
  • sudo /usr/bin/schedtool
  • sudo /usr/bin/nvidia-smi (please notify other users via the digitalis mailing list if you change parameters on GPUs that will not be reset to default after a reboot, e.g. the memory ECC configuration)
  • sudo /usr/local/bin/ipmi-reset

System changelog

Currently, the default system is outdated:

  • Debian squeeze
  • Cuda 4
  • ...

System is to be updated. Help welcome.

To be completed

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