Following up on this, my test/dev cluster is now completely upgraded to ovirt 
4.3.2-1 and gluster5.5 and I’ve bumped the op-version on the gluster volumes. 
It’s behaving normally and gluster is happy, no excessive healing or crashing 
bricks. 

I did encounter https://bugzilla.redhat.com/show_bug.cgi?id=1677160 
<https://bugzilla.redhat.com/show_bug.cgi?id=1677160> on my production cluster 
(with gluster 5.5 clients and 3.12.15 servers) and am proceeding to upgrade my 
gluster servers to 5.5 now that I’m happy with it on my dev cluster. A little 
quicker that I’d like, but it seems to be behaving and I was also in the middle 
of adding disk to my servers, and have to restart them (or at least gluster), 
so I’m going for it.

After I finish this, I’ll test gluster 6 out.

  -Darrell



> On Mar 25, 2019, at 11:04 AM, Darrell Budic <bu...@onholyground.com> wrote:
> 
> I’m not quite done with my test upgrade to ovirt 4.3.x with gluster 5.5, but 
> so far it’s looking good. I have NOT encountered the upgrade bugs listed as 
> resolved in the 5.5 release notes. Strahil, I didn’t encounter the brick 
> death issue and don’t have a bug ID handy for it, but so far I haven’t had 
> any bricks die. I’m moving the last node of my hyperconverged test 
> environment over today, and will followup again tomorrow on it.
> 
> Separately, I upgraded my production nodes from ovirt 4.3.1 to 4.3.2 (they 
> have a separate gluster server cluster which is still on 3.12.15), which 
> seems to have moved to the gluster 5.3.2 release. While 5.3.0 clients were 
> not having any trouble talking to my 3.12.15 servers, 5.3.2 hit 
> https://bugzilla.redhat.com/show_bug.cgi?id=1651246 
> <https://bugzilla.redhat.com/show_bug.cgi?id=1651246>, causing disconnects to 
> one of my servers (but only one, oddly enough), raising the load on my other 
> two servers and causing a lot of continuous healing. This lead to some 
> stability issues with my hosted engine and general sluggishness of the ovirt 
> UI. I also experienced problems migrating from 4.3.1 nodes, but that seems to 
> have been related to the underlying gluster issues, as it seems to have 
> cleared up onceI resolved the gluster problems. Since I was testing gluster 
> 5.5 already, I moved my nodes to gluster 5.5 (instead of rolling them back) 
> as the bug above was resolved in that version. That did the trick, and my 
> cluster is back to normal and behaving properly again.
> 
> So my gluster 5.5 experience has been positive so far, and it looks like 5.3 
> is a version for laying down and avoiding. I’ll update again tomorrow, and 
> then flag the centos maintainers about 5.5 stability so it gets out of the 
> -testing repo if all continues to go well.
> 
>   -Darrell
> 
> 
>> On Mar 21, 2019, at 3:39 PM, Strahil <hunter86...@yahoo.com 
>> <mailto:hunter86...@yahoo.com>> wrote:
>> 
>> Hi Darrel,
>> 
>> Will it fix the cluster brick sudden death issue ?
>> 
>> Best Regards,
>> Strahil Nikolov
>> 
>> On Mar 21, 2019 21:56, Darrell Budic <bu...@onholyground.com 
>> <mailto:bu...@onholyground.com>> wrote:
>> This release of Gluster 5.5 appears to fix the gluster 3.12->5.3 migration 
>> problems many ovirt users have encountered. 
>> 
>> I’ll try and test it out this weekend and report back. If anyone else gets a 
>> chance to check it out, let us know how it goes!
>> 
>>   -Darrell
>> 
>> Begin forwarded message:
>> 
>> From: Shyam Ranganathan <srang...@redhat.com <mailto:srang...@redhat.com>>
>> Subject: [Gluster-users] Announcing Gluster release 5.5
>> Date: March 21, 2019 at 6:06:33 AM CDT
>> To: annou...@gluster.org <mailto:annou...@gluster.org>, gluster-users 
>> Discussion List <gluster-us...@gluster.org 
>> <mailto:gluster-us...@gluster.org>>
>> Cc: GlusterFS Maintainers <maintain...@gluster.org 
>> <mailto:maintain...@gluster.org>>
>> 
>> The Gluster community is pleased to announce the release of Gluster
>> 5.5 (packages available at [1]).
>> 
>> Release notes for the release can be found at [3].
>> 
>> Major changes, features and limitations addressed in this release:
>> 
>> - Release 5.4 introduced an incompatible change that prevented rolling
>> upgrades, and hence was never announced to the lists. As a result we are
>> jumping a release version and going to 5.5 from 5.3, that does not have
>> the problem.
>> 
>> Thanks,
>> Gluster community
>> 
>> [1] Packages for 5.5:
>> https://download.gluster.org/pub/gluster/glusterfs/5/5.5/ 
>> <https://download.gluster.org/pub/gluster/glusterfs/5/5.5/>
>> 
>> [2] Release notes for 5.5:
>> https://docs.gluster.org/en/latest/release-notes/5.5 
>> <https://docs.gluster.org/en/latest/release-notes/5.5>/
>> _______________________________________________
>> Gluster-users mailing list
>> gluster-us...@gluster.org <mailto:gluster-us...@gluster.org>
>> https://lists.gluster.org/mailman/listinfo/gluster-users 
>> <https://lists.gluster.org/mailman/listinfo/gluster-users>
>> 
> 
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