Update upgrades.md

Author: Lincoln Bryant

docs/ops/upgrades.md

@@ -10,7 +10,7 @@ This page is used to track the status of hardware and software used for the Stas
 | BNL | osgxroot.usatlas.bnl.gov |   |   |   |   |   |   |   |   |   |
 | FZU | novastore.farm.particle.cz | 4.4.0 |   | 2x Xeon(R) E5-2630 @2.30GHz  | 32GB  | 30TB  | 12x3TB, RAID6, XFS  | 10Gbps  |   | 10-28-2016  |
 | Nebraska | hcc-stash.unl.edu | 4.6.1-0.2.pre3.hcc  | CentOS 7.2.1511  | 2x Xeon (R) E5530 @2.4GHz w/HT (8 real cores)  | 24GB  | 19TB  | 12x 2TB SATA in RAID6, XFS | 10Gbps  |   | 04-06-2017 |
-| UChicago | stashcache.grid.uchicago.edu  | 4.6.1-0.2.pre3.hcc | SL 7.2  | 2x Xeon(R) E5440 @2.83GHz | 32GB | 60TB | 5x 12TB arrays, RAID6, XFS, bound with oss.space | 2x10Gbps | Old dCache node, probably not optimally tuned for XRootD | 04-06-2017 |
+| UChicago | stashcache.grid.uchicago.edu  | 4.7.1-1 | SL 7.3  | 2x Xeon(R) E5440 @2.83GHz | 32GB | 60TB | 5x 12TB arrays, RAID6, XFS, bound with oss.space | 2x10Gbps | Old dCache node, probably not optimally tuned for XRootD | 04-06-2017 |
 | UIllinois | mwt2-stashcache.campuscluster.illinois.edu | 4.6.1-0.2.rc3.osg33 |   | VM 4CPUS | 16GB | 100TB | GPFS on DDN via FDR IB | 10Gbps |   | 04-28-2017 |
 | UCSD | xrd-cache-1.t2.ucsd.edu | 4.5.0-0.5.beta | CentOS 6.8 | 2x Xeon(R) E5-2650 v3 @2.30GHz w/HT (40 cores total) | 128GB | 21.8TB | 6x 3.6TB, XFS, individual disks bound with oss.space | 10Gbps  | The same machine runs hdfs-healing xrootd cache on another set of 6 independent disks. We can move more disks to StashCache if needed. | 10-28-2016 |