Hi, Florian,

Von: Florian Kolter [mailto:f...@floriankolter.de]
> > > since upgrading svn from 1.6.16 (TortoiseSVN 1.6.15) to 1.7.4
> > > (TortoiseSVN
> > > 1.7.6) my working copies are very often corrupted and clean up can't
> > > recover them. Unfortunately this happens sporadically and I can't
> > > reproduce it with a demo repository. But maybe you have an idea.
> > >
> > > I'm working inside a VMWare image, accessing the host's working
> > > copies using shared folders. I must not change this special setup.
> > >
> > > Can two TSVNCache processes accessing the same working copy (SQLite
> > > database) produce any damage? SVN 1.6.x worked just fine.
> >
> > Accessing the same working copy from several processes works fine as
> long as the locking works fine.
> >
> > However, locking over network file systems has issues in some cases, and
> > VirtualBox uses network file system emulation for the shared folders for
> > windows guests.
> >
> > So my hint is that you check with the VirtualBox folks whether they
> > know of any issues with locking on shared folders. (Maybe simply
> > updating VirtualBox or the guest utils helps. :-)
> 
> Thanks for your tip. I can try to find out what VMWare's implementation
> does or if there is an update.

Of course I meant VMWare folks, and not VirtualBox folks - I just slipped over 
to VirtualBox as I happen to know how they implemented shared folders...
 
> However I have been working this way for years with Subversion 1.6 and
> never experienced any problem. Was this kind of locking introduced in
> Subversion 1.7? Because of SQLite?

Yes, using SQLite definitely changed the game. You may google for "sqlite 
vmware shared folders" or similar to find out whether there are known problems. 

But the working copy organization as a whole has changed, and thus it may be 
some other access pattern which fail on VMWare shared folders.


Best regards

Markus Schaber
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