"... CASTOR-xrootd .. is important for LHCb (and could be for other
experiments) to try and improve the reliability of data access.
For the T2s, sites should be upgrading to 1.6.11 of DPM. Here's the current status of deployment:
http://wn3.epcc.ed.ac.uk/srm/xml/srm_version_table?endtime=2008-09-16+06%3A34%3A36&endpoint=.ac.uk&type=DPM&version=.*&starttime=2008-09-15+06%3A34%3A36
Many sites have already moved, but there are a few (including ECDF!) that haven't."