On Sun, Apr 8, 2018 at 5:33 PM, ~Stack~ <[email protected]> wrote:
> On 03/28/2018 05:31 AM, Fedele Stabile Nuovo Server wrote: > > My question is mainly addressed at those of you who use oVirt not only > > for creating services on virtual machines. > > What is your experience and what did you made? > > Still consider myself an oVirt newb. Only been using it for a few months > but I'm liking it so far. I don't have the hardware specs in front of me > but I have a 4 node Hypervisor setup with a physical Engine host. All > running on Scientific Linux 7. > > > Is there anyone who virtualized an HPC cluster? > > I'm still not convinced that virtualized HPC is a good idea for those > who need compute performance. Though it is getting better than when I > first heard someone say they were doing it at Supercomputing14! > > > What is for you the advantage on virtualizing a cluster? > > Um. As a 14year HPC admin, I still say none for compute. However, I am > using oVirt to support a ton of my infrastructure services: Frontends, > Log-ins, Scheduler, Database, LDAP, ect. > > I'm still learning how to set up something where my users can click a > button on a webpage and get a VM spun up for a Graphical session on > oVirt. I'm also still debating on the pros/cons for setting up oVirt > VM's for things like JupyterNotebooks/RStudio Server/ect for the "I just > want a web page to develop my code on and will submit to the cluster for > the job run" crowd. > Few options to consider: 1. oVirt user portal (with VM pools perhaps?) 2. vagrant with the oVirt provider 3. ManageIQ service portal 4. Ansible playbooks - a simple rule could suffice for most tasks. > It is a huge learning process for me. Most of the tools I've been using > have worked great for years, but it is time to update and refresh those > skills. Most of the provisioning tools I've used in the past don't work > so well with oVirt. So now I'm exploring other tools. > > Foreman is and overcomplicated buggy headache, IMO. Every time I or a > coworker has tried to get it going it has been a massive > time-suck-crash-and-burn. Add to it that my current security team has > HUGE issues with Puppet (don't get me started - I like Puppet) and > building Foreman by hand with Salt is just an awful awful awful > experience I wouldn't wish on an enemy...just no. :-) > DigitalRebar was looking SUPER promising, but they recently went to a > model that MUST chat out to the Internet or it breaks itself (a complete > no-go for me). A complete shame. > So I'm back to Cobbler which is simple and works fantastically well, but > doesn't really have any integrations into oVirt (that I'm aware of). I'm > probably going to have to write something with the two API's. > Provisioning VMs and customizing them using cloud-init may be a viable option. Y. > > > > Or, having a class with PC or Raspberry is better to use LTSP or PiNet > > or virtualize desktops? > Can't say. Don't mess with Raspberry Pi's much. > > ~Stack~ > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.ovirt.org/mailman/listinfo/users > >
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