Note that changing the origin repository in the on-node deployment checkout
is also required.

See https://whetstone.private.storage/privatestorage/privatestorageops/-/merge_requests/197#note_19071

mkfs silently truncates "zkapissuer-database" to "zkapissuer-datab" and
everything falls apart.

and the update takes care of starting it automatically

The point is this is where PaymentServer's persistent state goes.  That
includes vouchers but might include more stuff too.