A follow-up after a bit more searching. And an apology for a crap
subject line, I was called away to do other things and forgot to come
back to finish typing it :P
This commit seems to have fixed situations like mine previously:
https://github.com/puppetlabs/puppetdb/commit/5e15c6fadb4fdc4c636b5e
I upgraded via the Puppet repos from puppetdb-6.9.1-1.el7.noarch
(Installed 3/12) to puppetdb-6.10.0-1.el7.noarch today, and restarting
puppetdb fails with this error:
Your PuppetDB database contains a schema migration numbered 1, but
this version of PuppetDB does not recognize that version.
Sure