Hi,
adding also Sahina here.
AFAIK it should be enabled by default in hyper-converged deployments.

Can you please grep your deployment logs for ENABLE_LIBGFAPI?

On Thu, Nov 8, 2018 at 2:56 PM Mike Lykov <co...@ya.ru> wrote:

> Hi All
>
> I'm try to set up last ovirt version : ovirt-release42-pre.rpm repository
> Then, I install these (and many deps) rpms:
> ovirt-hosted-engine-setup-2.2.30-1.el7.noarch
> ovirt-engine-appliance-4.2-20181026.1.el7.noarch
> vdsm-4.20.43-1.el7.x86_64
> vdsm-gluster-4.20.43-1.el7.x86_64
> vdsm-network-4.20.43-1.el7.x86_64
> All from that repository, and use webui installer for create glusterfs
> volumes (default suggested engine, data, vmstore) and then install
> hosted engine on that "engine" volume.
>
> In cluster I want to use libgfapi gluster storage access method, but
> when I import storages, created by installer at first step, VDSM mount
> it on hosts with FUSE.
>
> For Example
> ovirtstor1.miac:/engine on
> /rhev/data-center/mnt/glusterSD/ovirtstor1.miac:_engine type
> fuse.glusterfs
>
> (rw,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072)
>
> ovirtnode1.miac:/data on
> /rhev/data-center/mnt/glusterSD/ovirtnode1.miac:_data type
> fuse.glusterfs
>
> (rw,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072)
>
> I see in config, And it is disabled (false)
> [root@ovirtengine ~]# engine-config -a | grep -i libgf
> LibgfApiSupported: false version: 3.6
> LibgfApiSupported: false version: 4.0
> LibgfApiSupported: false version: 4.1
> LibgfApiSupported: false version: 4.2
>
> Why? Its is needed to enable it by hand?
>
> Like as in this presentation?
>
> https://www.slideshare.net/DenisChapligin/improving-hyperconverged-performance
>
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