Owners Manual

SC7020 Series Storage System Technical
Specifications
Technical Specifications
The following tables provide technical specifications for the SC7020 series storage systems.
Drives
SC7020: SAS hard drives
Up to 30 2.5-in. SAS hot-swappable HDDs (12 Gb SAS)
SC7020F: SAS SSDs
Up to 30 2.5-in. SAS hot-swappable SSDs (12 Gb SAS)
Storage Controllers
Storage controllers
Two hot-swappable storage controllers with one mezzanine card and three I/O card
slots per storage controller.
Each storage controller has an internal battery backup unit. Write cache is mirrored
between the two
storage 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
Configurations
SC7020: Supports a total of 500 drives and 192 drives per SAS chain. Each SAS
chain supports up to sixteen SC400 expansion enclosures, eight SC420 expansion
enclosures, three SC460 expansion enclosures, and two SC280 expansion
enclosures.
SC7020F: Supports a total of 500 SSDs and up to 192 SSDs per SAS chain. Each
SAS chain supports up to eight SC420F expansion enclosure.
Redundant Array of Independent Disks (RAID)
Controller Two hot-swappable storage controllers
Management RAID management using the Storage Manager
Back-Panel Ports Connectors (per Storage Controller)
Fibre Channel or iSCSI front-end connectors Connection to a Fiber Channel fabric or iSCSI network
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 configuration and support-only functions
LED Indicators
Front panel
• One dual-color LED indicator for system status
• One single-color LED indicator for power status
• Identification button with a single-color LED
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18 SC7020 Series Storage System Technical Specifications