How safe are major version upgrades?

[David Cunningham <dcunningham@xxxxxxxxxxxxx>]

Hello,

We have a production system with around 50GB of data running GlusterFS 5.13. It has 3 replicating/mirrored nodes, and also geo-replicates to another site.

How safe would it be to upgrade to a more recent major version, eg 7.x? I'm not sure how recommended in-place upgrades are, or if a complete re-install is necessary for safety.

We have a maximum window of around 4 hours for this upgrade and would not want any significant risk of an unsuccessful upgrade at the end of that time.

Is version 8.0 considered stable?

Thanks in advance,

--

David Cunningham, Voisonics Limited
http://voisonics.com/
USA: +1 213 221 1092
New Zealand: +64 (0)28 2558 3782

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