"Many employers look for people who studied humanities and learned IT by
themselves, for their wider appreciation of human values."
Mark Burgess
https://www.usenix.org/sites/default/files/jesa_0201_issue.pdf
On 2/23/19 4:30 PM, Will Dennis wrote:
Hi folks,
I thought I’d give a brief introduction, and see if this list is a
good fit for my questions that I have about my HPC-“ish” infrastructure...
I am a ~30yr sysadmin (“jack-of-all-trades” type), completely
self-taught (B.A. is in English, that’s why I’m a sysadmin :-P) and
have ended up working at an industrial research lab for a large
multi-national IT company (http://www.nec-labs.com). In our lab we
have many research groups (as detailed on the aforementioned website)
and a few of them are now using “HPC” technologies like Slurm, and
I’ve become the lead admin for these groups. Having no prior
background in this realm, I’m learning as fast as I can go :)
Our “clusters” are collections of 5-30 servers, all collections bought
over years and therefore heterogeneous hardware, all with
locally-installed OS (i.e. not trad head-node with PXE-booted diskless
minions) which is as carefully controlled as I can make it via
standard OS install via Cobbler templates, and then further configured
via config management (we use Ansible.) Networking is basic 10GbE
between nodes (we do have Infiniband availability on one cluster, but
it’s fell into disuse now since the project that has required it has
ended.) Storage is one or more traditional NFS servers (some use ZFS,
some not.) We have within the past few years adopted Slurm WLM for a
job-scheduling system on top of these collections, and now are up to
three different Slurm clusters, with I believe a fourth on the way.
My first question for this list is basically “do I belong here?” I
feel there’s a lot of HPC concepts it would be good for me to learn,
so as I can improve the various research group’s computing
environments, but not sure if this list is for much larger “true HPC”
environments, or would be a good fit for a “HPC n00b” like me...
Thanks for reading, and let me know your opinions :)
Best,
Will
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