[Users] concurrent SPICE access [was: Re: oVirt 3.5 planning]

Sven Kieske S.Kieske at mittwald.de
Wed Feb 26 09:07:30 UTC 2014


Well, as I mentioned in the BZ:

Shared access does work for novnc console, maybe this is good
enough for your needs?

Am 26.02.2014 09:09, schrieb Markus Stockhausen:
>> Von: Michal Skrivanek [mskrivan at redhat.com]
>> > Gesendet: Mittwoch, 26. Februar 2014 08:49
>> > An: spice-devel at lists.freedesktop.org
>> > Cc: Markus Stockhausen; Itamar Heim; Users at ovirt.org Users
>> > Betreff: concurrent SPICE access [was: Re: [Users] oVirt 3.5 planning]
>> > 
>> > On Feb 25, 2014, at 20:38 , Itamar Heim <iheim at redhat.com> wrote:
>> > 
>>> > > On 02/25/2014 09:20 PM, Markus Stockhausen wrote:
>>>> > >> 3) Shared console access for two or more administrators
>>>> > >>
>>>> > >> https://bugzilla.redhat.com/show_bug.cgi?id=1060854
>>> > >
>>> > > michal - is this just a config in the .vv file? I'd expect qemu needs to support
>>> > > this as well? especially since the ticketing mechanism is designed to disconnect previous user?
>> > 
>> > last time I remember the concurrent connection to SPICE was experimental
>> > Did it change since?
>> >
>> > yes, if it is supported now the oVirt ticketing would need to be changed or disabled
>> > 
>> > Thanks,
>> > michal
> The request was created to allow a general shared access pattern (independent 
> of the console type). In the SPICE case QEMU still spits the message "enable shared 
> spice: ... crashy ..."  At the moment both console types lack shared sessions because of:
> 
> - VNC: Virt-Viewer opens the connection with exclusive access 
>   (qemu token disconnect does not work at all)
> - SPICE: Ovirt/libvirt do not instruct qemu to enable shared access & 
>   token generation enforces disconnect
> 
> The idea behind it, is to have a check-button on the console settings page that
> enables/disables shared access. At least vor VNC.
> 
> Markus
> 

-- 
Mit freundlichen Grüßen / Regards

Sven Kieske

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