Has anyone written a utility that copies out the content of a ZODB file
(in my case, a Zope Data.fs) and stores it in the local file system in
some rational way?
Zope does not solve the problem because the backing Relational DBMS is
unavailable and the ZODB and the RDBMS are closely tied.
For more information about ZODB, see the ZODB Wiki:
ZODB-Dev mailing list - ZODB-Dev@zope.org