Open Stack

Dear all

When we upgraded our Cloud from Rocky to Train we followed the following
procedure:

1) Shutdown of all services on the controller and compute nodes
2) Update from Rocky to Stein of controller (just to do the dbsyncs)
3) Update from Stein to Train of controller
4) Update from Rocky to Train of compute nodes

We are trying to do the same to update from Train to Xena, but now there is
a problem because
 nova services on the controller node refuse to start since they find too
old compute nodes (this is indeed a new feature, properly documented in the
release notes).
As a workaround we had to manually modify the "version" field of the
compute nodes in the nova.services table.

Is it ok, or is there a cleaner way to manage the issue ?

Thanks, Massimo
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