[ovirt-users] Enabling libgfapi disk access with oVirt 4.2

[Alessandro De Salvo]

Hi again,

OK, tried to stop all the vms, except the engine, set engine-config -s 
LibgfApiSupported=true (for 4.2 only) and restarted the engine.

When I tried restarting the VMs they are still not using gfapi, so it 
does not seem to help.

Cheers,


Alessandro



Il 09/11/17 09:12, Alessandro De Salvo ha scritto:
> Hi,
> where should I enable gfapi via the UI?
> The only command I tried was engine-config -s LibgfApiSupported=true 
> but the result is what is shown in my output below, so it’s set to 
> true for v4.2. Is it enough?
> I’ll try restarting the engine. Is it really needed to stop all the 
> VMs and restart them all? Of course this is a test setup and I can do 
> it, but for production clusters in the future it may be a problem.
> Thanks,
>
>  Alessandro
>
> Il giorno 09 nov 2017, alle ore 07:23, Kasturi Narra 
> <knarra at redhat.com <mailto:knarra at redhat.com>> ha scritto:
>
>> Hi ,
>>
>>     The procedure to enable gfapi is below.
>>
>> 1) stop all the vms running
>> 2) Enable gfapi via UI or using engine-config command
>> 3) Restart ovirt-engine service
>> 4) start the vms.
>>
>> Hope you have not missed any !!
>>
>> Thanks
>> kasturi
>>
>> On Wed, Nov 8, 2017 at 11:58 PM, Alessandro De Salvo 
>> <Alessandro.DeSalvo at roma1.infn.it 
>> <mailto:Alessandro.DeSalvo at roma1.infn.it>> wrote:
>>
>>     Hi,
>>
>>     I'm using the latest 4.2 beta release and want to try the gfapi
>>     access, but I'm currently failing to use it.
>>
>>     My test setup has an external glusterfs cluster v3.12, not
>>     managed by oVirt.
>>
>>     The compatibility flag is correctly showing gfapi should be
>>     enabled with 4.2:
>>
>>     # engine-config -g LibgfApiSupported
>>     LibgfApiSupported: false version: 3.6
>>     LibgfApiSupported: false version: 4.0
>>     LibgfApiSupported: false version: 4.1
>>     LibgfApiSupported: true version: 4.2
>>
>>     The data center and cluster have the 4.2 compatibility flags as well.
>>
>>     However, when starting a VM with a disk on gluster I can still
>>     see the disk is mounted via fuse.
>>
>>     Any clue of what I'm still missing?
>>
>>     Thanks,
>>
>>
>>        Alessandro
>>
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>
>
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