The performance is certainly attractive from the minimal testing I've done
with it (almost 5x I/O performance increase).  For my environment I'm
hitting the snapshot bug on replica 3 setups so I cannot snapshot VMs and
doing so breaks the VM.  This is a deal breaker for me since the VM backup
software I'm using relies on snapshots.  The other of course is the lack of
HA, that I could probably work around.  Is there actually a timeline when
libgfapi is expected to be working properly?  Some of the bug reports I've
seen date back to 2017.

On Mon, Dec 16, 2019 at 1:46 PM Darrell Budic <[email protected]>
wrote:

> I use libgfap in production, the performance is worth a couple of quirks
> for me.
>
> - watch major version updates, they’ll silently turn it off because the
> engine starts using a new version variable
> - VM/qemu security quirk that resets ownership when the VM quits, was
> supposedly fixed in 4.3.6 but I still have it happen to me, a cron’d chown
> keeps it under control for me
> - some VMs cause a libvirt/vdsmd interaction that results in failed stats
> query, and the engine thinks my VMs are offline because the stats gathering
> is stuck. hoped a bug fix in 4.3.6 would take care of this too, but didn’t.
> may be my VMs though, still analyzing for specific file issues
>
> I need to spend some time doing a little more research and filing/updating
> some bug reports, but it’s been a busy end of year so far…
>
>   -Darrell
>
> On Dec 14, 2019, at 5:47 PM, Strahil Nikolov <[email protected]>
> wrote:
>
> According to GlusterFS Storage Domain
> <https://www.ovirt.org/develop/release-management/features/storage/glusterfs-storage-domain.html>
>
> the feature is not the default as it is incompatible with Live Storage
> Migration.
>
> Best Regards,
> Strahil Nikolov
>
>
> В събота, 14 декември 2019 г., 17:06:32 ч. Гринуич+2, Jayme <
> [email protected]> написа:
>
>
> Are there currently any known issues with using libgfapi in the latest
> stable version of ovirt in hci deployments?  I have recently enabled it and
> have noticed a significant (over 4x) increase in io performance on my vms.
> I’m concerned however since it does not seem to be an ovirt default
> setting.  Is libgfapi considered safe and stable to use in ovirt 4.3 hci?
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