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

[Alessandro De Salvo]

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> 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> 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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