Setup Guide

Storage Controllers
controllers. If a power failure occurs, the battery backup
unit provides power to the storage controller so that
the write cache can be saved to an SSD within the
storage controller.
Storage Connectivity
Congurations
SC5020: Supports a total of 222 drives and up to 192
drives on a single SAS chain. The SAS chain supports
up to sixteen SC400 expansion enclosures, eight
SC420 expansion enclosures, or three SC460
expansion enclosures.
SC5020F: Supports a total of 222 SSDs and up to 192
SSDs on a single SAS chain. The SAS chain supports up
to eight SC420F expansion enclosures.
Redundant Array of Independent Disks (RAID)
Controller Two hot-swappable storage controllers
Management RAID management using the Dell Storage Manager
Back-Panel Ports Connectors (per Storage Controller)
Fibre Channel, iSCSI, or SAS
front-end connectors
Connection to a Fiber Channel fabric, iSCSI network, or
a direct connection to servers with SAS HBAs
Ethernet connectors MGMT – 1 Gbps or 10 Gbps embedded Ethernet port
used for Storage Center management
SAS back-end connectors 12 Gb SAS ports for connections to expansion
enclosures
NOTE: SAS connectors are SFF-8644
compliant.
Serial connector (micro USB) Used for initial conguration and support-only functions
Setting Up the Storage System 13