[gridengine users] cgroups Integration in OGS/GE 2011.11 update 1

[William Hay]

On 22 May 2012 20:22, Rayson Ho <rayson at scalablelogic.com> wrote:
> On Tue, May 22, 2012 at 2:02 PM, William Hay <w.hay at ucl.ac.uk> wrote:
>> Well currently we have our prolog chgrp the appropriate number of
>> /dev/nvidia? files to the group associated with the job thereby
>> controlling  access to GPUs.
>
> William,
>
> That's why we are planning to support device whitelisting using the
> Device Whitelist Controller:
>
> http://www.kernel.org/doc/Documentation/cgroups/devices.txt
>
> Besides GPU devices, there is also the use case for whitelisting
> InfiniBand interfaces.
>
>
>> I'm currently setting up $TMPDIR as a separate tmpfs file system for
>> each job and am chgrping that to the job's associated group
>> in the process.
>
> In cgroups, there is also the namespace controller for this purpose.
Filesystem namespaces got merged into cgroups?  I thought they were
entirely separate.


William