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Yes, it can be removed safely in previous release. 
The BKM is let admin install all cyborg driver dependency by themselves, not only OPAE, but also other drivers if needed.  In this way, we can avoid such incompatibility between driver version and OS version.

Thanks,
Xin-Ran

-----Original Message-----
From: Mark Goddard <mark at stackhpc.com> 
Sent: Monday, June 15, 2020 4:04 PM
To: Wang, Xin-ran <xin-ran.wang at intel.com>
Cc: openstack-discuss <openstack-discuss at lists.openstack.org>
Subject: Re: [cyborg][kolla] OPAE & CentOS 8

On Mon, 15 Jun 2020 at 04:15, Wang, Xin-ran <xin-ran.wang at intel.com> wrote:
>
> Hi Mark,
>
> According to the discussion in PTG, Cyborg community has an agreement that all driver dependency should be removed in kolla and devstack.
>
> Please refer to https://etherpad.opendev.org/p/cyborg-victoria-goals L261.

Thanks for your response. I can see that this should allow us to remove the dependency in Victoria. Will it be safe to do so in Ussuri and Train also?

>
> Thanks,
> Xin-Ran
>
> -----Original Message-----
> From: Mark Goddard <mark at stackhpc.com>
> Sent: Saturday, June 13, 2020 3:36 AM
> To: openstack-discuss <openstack-discuss at lists.openstack.org>
> Subject: [cyborg][kolla] OPAE & CentOS 8
>
> Hi,
>
> I asked in another thread, but didn't get a response. In the kolla cyborg-agent image we install OPAE. There is a comment claiming this is a required dependency. It doesn't seem to be available for CentOS 8. If that is the case, we will need to drop support for the cyborg-agent image from Ussuri.
>
> Could someone confirm if OPAE is a hard dependency or not?
>
> Thanks,
> Mark
>