MGHPCC scheduled maintenance.
NESE_DATADISK was down for an additional day for Harvard re-networking.
xrootd is working now, passing smoke tests, HTTP-TPC.
High priority items:
1) Prepare for worker node purchase
2) Expand xrd cluster, switch over from gridftp to xrootd
3) OSG 3.5 update
4) ipv6 finish