Page 2 - Table of Contents
Upgrading to Dell/EMC CX4 Series Storage Systems Applied Technology 2 Table of Contents Executive Summary ............................................................................................3 Introduction ..........................................................................................
Page 3 - Audience; DAE2 –; DAE4P –
Upgrading to Dell/EMC CX4 Series Storage Systems Applied Technology 3 Executive Summary Customers who purchase IT solutions are concerned about the return on investment (ROI) of their purchases. Creating solutions that offer customers the ability to extend the usable life of an investment provides m...
Page 4 - Upgrading vs. Buying New
Upgrading to Dell/EMC CX4 Series Storage Systems Applied Technology 4 Disk Processor Enclosure (DPE) – An enclosure that holds one or two storage processors, power and cooling modules, and up to 15 disks. Specific to the CX300, CX500, AX4 storage systems. Upgrading vs. Buying New The main reason to ...
Page 5 - Unsupported upgrades; Planning for the Upgrade; Downtime; Utility Partition
Upgrading to Dell/EMC CX4 Series Storage Systems Applied Technology 5 Convert From Convert To CX4-120 CX4-240 CX4-480 CX4-960 CX300 Yes Yes Yes Yes CX3-10c Yes Conditionally Conditionally Conditionally CX500 Yes Yes Yes CX3-20 Yes Yes Yes CX4-120 Conditionally Conditionally Conditionally CX700 Yes Y...
Page 6 - CAP2 Conversion Readiness Check; Adequate FLARE revision and storage system health; Disk compatibility with the new FLARE revision; Reserved space expansion
Upgrading to Dell/EMC CX4 Series Storage Systems Applied Technology 6 CAP2 Conversion Readiness Check The CAP2 tool includes a conversion readiness check (CRC). The CAP2 CRC automatically checks to see if an existing CX or CX3 series system is ready to be converted to a CX4 series system. CRC makes ...
Page 7 - Physical enclosure relocation; Power Requirements
Upgrading to Dell/EMC CX4 Series Storage Systems Applied Technology 7 It is the responsibility of the presales account team to identify if LUN migration will be required. The CAP2 tool can be used to identify LUNs that need to be migrated. Use ―Appendix B: Virtual LUN Migration Performance‖ as a gui...
Page 9 - Table 3. Cable connector types used by CX enclosures; Host Software Upgrades; Special Case Upgrade Paths; NOT; Special Considerations for Replication Software; Private LUNs
Upgrading to Dell/EMC CX4 Series Storage Systems Applied Technology 9 Table 3. Cable connector types used by CX enclosures Connector type Connects To HSSDC DAE2, DAE2-ATA, CX300 through CX700 SP HSSDC2 DAE2P, DAE3P, DAE4P SFP CX3 and CX4 series SP Host Software Upgrades Before performing the hardwar...
Page 10 - MirrorView; Table 4. Port usage and MV ports by model; Upgrading with Celerra
Upgrading to Dell/EMC CX4 Series Storage Systems Applied Technology 10 MirrorView When MirrorView/Synchronous or MirrorView/Asynchronous is installed, the port used by MirrorView will not change. The logical port numbering will be carried through the conversion. This eliminates the need for a zoning...
Page 12 - Backup; Performing the Upgrade; Conclusion
Upgrading to Dell/EMC CX4 Series Storage Systems Applied Technology 12 NAS data LUNs should be moved to a RAID group not already containing NAS LUNs to avoid performance conflicts with other defined NAS data LUNs. NAS data LUNs should be migrated to target disk technology compatible with the source ...
Page 13 - Appendix A: Example CX4 Conversion Readiness Check
Upgrading to Dell/EMC CX4 Series Storage Systems Applied Technology 13 Appendix A: Example CX4 Conversion Readiness Check The report below is an example of what CAP2 includes in the CX4 conversion readiness check report. In this example, CAP2 has identified one LUN that must be relocated from the fi...
Page 16 - Appendix B: Virtual LUN Migration Performance; Table 5. LUN migration rate by priority
Upgrading to Dell/EMC CX4 Series Storage Systems Applied Technology 16 Appendix B: Virtual LUN Migration Performance The time to complete a LUN migration operation varies depending on the user selected migration rate. Low, medium, and high rates are mostly constant, while ASAP depends on the type of...