Dell DAE User Manual download pdf (Page 2)

Upgrading to Dell/EMC CX4 Series Storage Systems

Applied Technology 2

Table of Contents

Executive Summary ............................................................................................3

Introduction .........................................................................................................3

Audience ....................................................................................................................................... 3

Terminology .................................................................................................................................. 3

Upgrading vs. Buying New .................................................................................4

Data-in-Place Upgrades ......................................................................................4

Planning for the Upgrade ...................................................................................5

Downtime ...................................................................................................................................... 5

CAP2 Conversion Readiness Check ............................................................................................ 6

Adequate FLARE revision and storage system health ................................................................. 6

Disk compatibility with the new FLARE revision .......................................................................... 6

Reserved space expansion .......................................................................................................... 6

Physical enclosure relocation ....................................................................................................... 7

Power Requirements .................................................................................................................... 7

Mixing 2 Gb/s and 4 Gb/s DAE Technologies .............................................................................. 8

Cabling and Connectors ............................................................................................................... 8

Host Software Upgrades .............................................................................................................. 9

Special Case Upgrade Paths ....................................................................................................... 9

Special Considerations for Replication Software ......................................................................... 9

Private LUNs ............................................................................................................................. 9

MirrorView ............................................................................................................................... 10

Upgrading with Celerra Gateways Attached .............................................................................. 10

Backup ........................................................................................................................................ 12

Performing the Upgrade ................................................................................... 12

System Scaling after the Upgrade ................................................................... 12

Conclusion ......................................................................................................... 12

Appendix A: Example CX4 Conversion Readiness Check ............................ 13

Appendix B: Virtual LUN Migration Performance ........................................... 16

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Dell DAE User Manual Page 2