<!DOCTYPE html><html><body>On 2023-02-27 06:19, Per Jessen wrote:<br>> Peter Bennett wrote:<br>> <br>>> <br>>> On 2/26/23 10:21, Per Jessen wrote:<br>>>> hello,<br>>>> <br>>>> I have a setup consisting of two backends, a database machine and two<br>>>> frontends. All version 30. I'm working on adding a third backend<br>>>> (for<br>>>> migration purposes). For now, on this new backend, I've installed 31<br>>>> (happens to be all that is currently available for openSUSE), so<br>>>> mythtv-setup is of course suggesting a database schema upgrade.<br>>>> <br>>>> Will the existing backends/frontends continue to work if I do this<br>>>> schema upgrade?<br>>>> <br>>>> thanks.<br>>>> <br>>> No. MythTV requires all backends and frontends that interconnect to<br>>> use the same database schema version. The backend automatically<br>>> upgrades but will not downgrade, so once you have converted your<br>>> database you cannot go back.<br>> <br>> Right, that was my gut feeling too. Thanks for confirming.<br>> <br>> I just thought I'd read something about better "inter-version"<br>> cooperation, but I may well have been daydreaming.<br><br>You could set up a standalone backend/frontend with its own database for testing.</body></html>