Gluster users - Sep 2017 - Upgrading (online) GlusterFS-3.7.11 to 3.10 with Distributed-Disperse volume

I'm working on upgrading a set of our gluster machines from 3.7 to 3.10- 
at first I was going to follow the guide here: 
https://gluster.readthedocs.io/en/latest/Upgrade-Guide/upgrade_to_3.10/

but it mentions:
>   * Online upgrade is only possible with replicated and distributed
>     replicate volumes
>   * Online upgrade is not supported for dispersed or distributed
>     dispersed volumes
>
and
> *ALERT*: If any of your volumes, in the trusted storage pool that is 
> being upgraded, uses disperse or is a pure distributed volume, this 
> procedure is *NOT* recommended, use the Offline upgrade procedure 
>
<https://gluster.readthedocs.io/en/latest/Upgrade-Guide/upgrade_to_3.10/#offline-upgrade-procedure>
> instead.
The data stored on this gluster volume (Distributed-Disperse, 2 x (4 + 
2) = 12) is somewhat critical, but I wanted to make sure there was no 
possible way to do an 'online' upgrade before following the
'offline'
steps.


Brad Lunsford

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