[ovirt-devel] lago/OST on a VM

[Yedidyah Bar David]

On Thu, Dec 14, 2017 at 1:37 PM, Milan Zamazal <mzamazal at redhat.com> wrote:
> Martin Perina <mperina at redhat.com> writes:
>
>> More than a year or 2 ago I was able to run Lago inside a VM,
>
> I had used to run OST inside a VM even this year, but switched to bare
> metal to make it run a bit faster.  There were some problems with CPU
> configuration, but only on cluster initialization, not that soon.  I
> didn't run HE tests though.
>
>> but I had to copy host CPU completely into the VM.
>
> Yes, it's the very first thing to check.

Now pushed a simple patch to use Westmere cpu model:

https://gerrit.ovirt.org/85443

With it, it at least did not refuse to start - although it's only
in the beginning now, didn't yet start actual HE deploy or try to
start the engine vm.

Should I expect any significant issues with this patch?

>
>> But it's long time so it may no longer work :-(
>>
>> On Thu, Dec 14, 2017 at 12:09 PM, Greg Sheremeta <gshereme at redhat.com>
>> wrote:
>>
>>> Bare metal only. I asked about a month ago :)
>>>
>>> Greg
>>>
>>> On Dec 14, 2017 5:50 AM, "Yedidyah Bar David" <didi at redhat.com> wrote:
>>>
>>> Hi,
>>>
>>> Should it be possible to use lago on a VM?
>>>
>>> What does this require?
>>>
>>> Specifically for testing hosted-engine.
>>>
>>> So will require 4-level virt:
>>>
>>> Host -> My VM -> Lago hosted-engine host vm -> engine vm
>>>
>>> I run:
>>>
>>> ./run_suite.sh he-basic-suite-master
>>>
>>> and get:
>>>
>>>     * Starting VM lago-he-basic-suite-master-host1:
>>> libvirt: CPU Driver error : the CPU is incompatible with host CPU:
>>> Host CPU does not provide required features: xsave, avx, rdtscp
>>>
>>> Thanks,
>>> --
>>> Didi



-- 
Didi