text: V8.2.1 of the Spectrum Virtualize code brought the following changes: 
  
  (cid:2) Full IP-based quorum: Support for administrators looking to consolidate their infrastructure 
  over Ethernet. 
  
  (cid:2) Support for iSCSI extensions over RDMA (iSER) host attach enhancements. 
  
  (cid:2) Support for host login information for Ethernet-attached hosts. 
  
  (cid:2) 64 K host mappings: Increased from the previous limitation of 20 K. 
  
  (cid:2) IBM Spectrum Insights: Provides a call home protocol that uses IBM IP to deliver a more 
  
  robust path and higher bandwidth and higher frequency data transmission, with 
  end-to-end confirmation of receipt. 
  
  (cid:2) Improvements to call home with email notifications. 
  
  (cid:2) Added support for SafeNet KeySecure encryption key server. 
  
  (cid:2) Single copy VDisk expand with format: Enables administrators to expand a VDisk without 
  migrating the data off and back on. 
  
  (cid:2) Support for RDMA-based connections between nodes. This feature requires 25 GbE 
  
  adapters to be installed on the nodes. Expands the host connectivity options for those 
  storage arrays not initially covered by 8.2. 