[EP-tech] problem on permisions

[Yuri]

I've a test site with a copy of our eprints repository. In this site 
everything works but index of modified items (cannot find them using 
eprintid) and this:

------------------------------------------------------------------
---------------- EPrints System Error ----------------------------
------------------------------------------------------------------
Failed to write 
/usr/share/eprints3/archives/XXXX/html/it/view/dottorato/FusionScienceandEngineering=5Fcorsi=5F24.title: 
Operation not permitted

this is the situation:


servercopy:/usr/share/eprints3/archives/XXXX/html/it# ls -l 
/usr/share/eprints3/archives/XXXX/html/it/view/dottorato/FusionScienceandEngineering\=5Fcorsi\=5F24.title
-rwxrwsr-x 1 eprints eprints 37 30 mar 11.36 
/usr/share/eprints3/archives/XXXX/html/it/view/dottorato/FusionScienceandEngineering=5Fcorsi=5F24.title

and this:


www-data:x:33:eprints
eprints:x:107:www-data

apache runs as www-data and should be able to modify the file, isn't it? 
I've also chowned and chmodded as here: 
http://wiki.eprints.org/w/Moving_a_repository#Migrate_the_repository

$ sudo chown -R eprints:eprints /opt/eprints3/
$ sudo chmod -R 02775 /opt/eprints3/archives/

Any idea? Thanks!