[Zope] zope backups

[Ben Last (Zope)]

> [mailto:zope-bounces+zope=benlast.com at zope.org]On Behalf Of Paul Winkler
> Zope only appends to Data.fs.  (It has been mentioned that
> it is *possible* to twiddle stuff in the middle of a filestorage,
> but the core Zope code is not supposed to do this, and I've never
> heard an example of any add-on product that does so either.)
Out of curiosity, what then prevents Data.fs growing without bound?  Does it
get truncated from the beginning?
Even if it does only get appended to, I assume there's a race condition
where cp may encounter Data.fs with half or a record written to it and thus
copy an inconsistent file.

ben