Once you figure out the configuration options, zodbconvert is indeed a
gem -- should you ever feel inclined, it also makes a decent way to
backup RelStorage to a FileStorage should that be useful for your
I use this to rsync gzipped daily FileStorage snapshots of my database
from production RelStorage to development on my workstation (which I
load into RelStorage via another zodbconvert step), and it also
supplements my pgdump backups from PostgreSQL.
For more information about ZODB, see http://zodb.org/