## Summary of changes 

This section describes the technical changes that are made in this edition of the book and in previous editions. This edition might also include minor corrections and editorial changes that are not identified. 

## February 2020, First Edition R5.0 

Summary of Changes for SG24-8464-00 for IBM TS7700 Release 5.0 Guide as created or updated on February 7, 2020. 

This revision reflects the addition, deletion, or modification of new and changed information, which is summarized below. 

New and existing capabilities of the TS7700 5.0 include the following highlights: 

GLYPH<SM590000> Eight-way Grid Cloud, which consists of up to three generations of TS7700 

GLYPH<SM590000> Synchronous and asynchronous replication 

GLYPH<SM590000> Full AES256 encryption for replication data that is in-flight and at-rest 

GLYPH<SM590000> Tight integration with IBM Z and DFSMS policy management 

GLYPH<SM590000> Optional target for DS8000 Transparent Cloud Tier using DFSMS 

GLYPH<SM590000> Optional Cloud Storage Tier support 

GLYPH<SM590000> Optional integration with physical tape 

GLYPH<SM590000> 16 Gb FICON throughput that exceeds 5 GBps per TS7700 cluster 

GLYPH<SM590000> IBM Z hosts view up to 3,968 common devices per TS7700 grid 

GLYPH<SM590000> Grid access to all data independent of where it exists 

GLYPH<SM590000> TS7770 Cache On-demand feature that is based capacity licensing 

GLYPH<SM590000> TS7770 support of SSD within the VED server 

Note:  For more information about the TS7770 Cloud Object Storage solution and how to implement and integrate this solution into your enterprise, see: 

IBM TS7700 R5.0 Cloud Storage Tier Guide , REDP-5573: 

http://www.redbooks.ibm.com/abstracts/redp5573.html 

For more information about planning and implementing the function of using the TS7700 as an optional target for DS8000 Transparent Cloud Tier using DFSMS see: 

IBM TS7700 Series DS8000 Object Store User’s Guide Version 1.0 , REDP-5583: 

http://www.redbooks.ibm.com/abstracts/redp5583.html 

IBM DS8000 and Transparent Cloud Tiering , SG24-8381: 

http://www.redbooks.ibm.com/redpieces/abstracts/sg248381.html 

