Release Notes

Table of contents
3 Dell EMC SC Series: Performance and Availability | 4024-BP-SC
Table of contents
Revisions............................................................................................................................................................................. 2
Executive summary ............................................................................................................................................................. 5
Audience ............................................................................................................................................................................. 5
1 System configuration .................................................................................................................................................... 6
1.1 Essential guidelines ............................................................................................................................................ 6
1.1.1 Maximize flash capacity ...................................................................................................................................... 6
1.1.2 Distribute workloads across available resources ............................................................................................... 6
1.1.3 Simplify the configuration ................................................................................................................................... 6
1.1.4 Design for resilience ........................................................................................................................................... 6
1.2 Maintain the latest release of SCOS .................................................................................................................. 7
1.3 SAS cabling and drive placement....................................................................................................................... 7
1.4 Distributed spare (new in SCOS 7.3) ................................................................................................................. 7
1.5 RAID spare ratio of distributed spare ................................................................................................................. 7
1.6 Front-end connectivity ........................................................................................................................................ 8
1.6.1 Fibre Channel ..................................................................................................................................................... 8
1.6.2 iSCSI ................................................................................................................................................................... 8
1.7 SAS front end ..................................................................................................................................................... 8
1.7.1 FCoE (SC8000 and SC9000) ............................................................................................................................. 9
1.7.2 NAS .................................................................................................................................................................... 9
1.8 Hardware capability guidelines ........................................................................................................................... 9
1.8.1 Flex Ports ............................................................................................................................................................ 9
1.9 Sizing an SC Series array for performance requirements .................................................................................. 9
2 Storage configuration ................................................................................................................................................. 11
2.1 Disk folders and volumes ................................................................................................................................. 11
2.2 Usable capacity ................................................................................................................................................ 11
2.3 RAID protection ................................................................................................................................................ 11
2.4 Dual redundancy requirements ........................................................................................................................ 12
2.5 Storage profiles................................................................................................................................................. 12
2.6 All-flash array .................................................................................................................................................... 12
2.7 Hybrid array ...................................................................................................................................................... 13
2.8 Multi-tier system designs .................................................................................................................................. 13
2.9 Different capacity drives within a tier ................................................................................................................ 13
3 SC Series features ..................................................................................................................................................... 14
3.1 Data Progression .............................................................................................................................................. 14