Hosting recommendations ... ?

Tue Jan 19 19:08:44 UTC 2021

Proxmox specifically isn't much more than a wrapper for standard Linux KVM,
which can support nested virtualization. In my limited experience with
nesting, it doesn't work half bad as one would expect, but I haven't used
it in a stressed environment with anything substantial running that way.

On Tue, Jan 19, 2021 at 1:53 PM William Herrin <bill at herrin.us> wrote:

> On Tue, Jan 19, 2021 at 9:18 AM Bryan Holloway <bryan at shout.net> wrote:
> > Perhaps I'm missing something, but in your #1 example "Cloud", what
> > prevents me from running a Proxmox ISO (which is more or less Debian)
> > vs. a "standard" Debian install on the provider's virtual server?
>
> Hi Bryan,
>
> I haven't used Proxmox but from a 60 second glance through Google that
> looks like you're asking for nested virtualization. If it works at
> all, you'd take a double-hit on everything that wants to run in ring
> 0, a double-hit on virtualized I/O and a double-hit for OS overhead
> making the result more than a little sluggish. Kinda has "bad idea"
> written all over it.
>
> As I understand it, you can "cat /sys/module/kvm*/parameters/nested"
> in one of the service provider's VMs and if the answer is "1" or "Y"
> for the CPU type which matches the exposed CPU then what you're asking
> for will probably work. For some definition of work anyway.
>
>
> I use Vultr for my primary BGP exit and have found it largely
> painless. The VMs I have there DO NOT support nested virtualization.
> They do claim a bare metal offering but it's currently listed as sold
> out in all of their data centers. They also claim to provide mountable
> block storage for compute instances up to 10TB per, but I haven't
> worked with that feature, I presume it only applies to virtual
> servers, and it looks like it's only available in one of their data
> centers.
>
> Regards,
> Bill Herrin
>
>
>
> --
> Hire me! https://bill.herrin.us/resume/
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.nanog.org/pipermail/nanog/attachments/20210119/a4552075/attachment.html>