Merge pull request #109 from sashakames/ska-nodes

update nodes list to two categories

Author: sashakames

nodes.md

@@ -5,12 +5,21 @@ title: Nodes
 
 ## Federated ESGF Nodes
 
-Note: nodes run the CoG web user application, unless specified.
+### Metagrid Nodes
 
-* [CEDA](https://esgf-index1.ceda.ac.uk)
+These sites run the React-based Metagrid Web Application
+
+* [ANL](https://esgf-node.cels.anl.gov)
 * [DKRZ](https://esgf-data.dkrz.de)
+* [LLNL](https://esgf-node.llnl.gov) 
+* [ORNL](https://esgf-node.ornl.gov)
+* [NCI](https://esgf.nci.org.au)
+
+### CoG Nodes
+
+These sites run the *legacy* Django-based CoG Web Application.  Please note that OpenID logins do not work on several of these systems.
+
+* [CEDA](https://esgf-index1.ceda.ac.uk)
 * [IPSL](https://esgf-node.ipsl.upmc.fr)
 * [LIU](https://esg-dn1.nsc.liu.se)
-* [LLNL Metagrid](https://esgf-node.llnl.gov) 
-* [NCI](https://esgf.nci.org.au)
-* [ORNL Metagrid](https://esgf-node.ornl.gov)
+