Alice: Neutral (as long as there is no disruption to the service.
ATLAS: Prefer not to; to avoid introducing problems this close to data taking.
CMS: Priority is stability for data taking days. Whatever is scheduled in advance *and* allows some pre-testing can be negotiated, though. On CERN migration, instead, PhEDEx /Prod vs /Debug instance can be played with to allow testing before going into prod (talked to Gavin)
LHCb: Neutral (as long as there is no disruption to the service.
ASGC:
BNL: Has a fairly pressing need to move to SL/RHEL4 because of our site security situation. If it is made available in production soon, we would definitely switch over.
CERN:
FNAL: Hardware is dating fast. May be issues with maintenance.
FZK:
IN2P3:
INFN:
NDGF:
PIC:
RAL:
SARA/Nikhef:
TRIUMF: