Dell SC4020 - Back-End Connectivity

SC4020 Storage System with Front-End SAS Connectivity
An SC4020 storage system with front-end SAS connectivity may communicate with the following
components of a Storage Center system.
Figure 6. Storage System with Front-End SAS Connectivity
Item Description Speed Communication Type
1 Server with SAS host bus adapters (HBAs) 12 Gbps per channel Front End
2 Ethernet switch 1 Gbps or 10 Gbps
(Management/
Replication)
Front End
3 SC4020 Storage System with front-end SAS
connectivity
12 Gbps per channel Front End
4 SC200/SC220 Expansion Enclosures 6 Gbps per channel Back End
5 Remote Storage Center connected via iSCSI
for replication
1 Gbps or 10 Gbps Front End
6 Management network (computer connected
to the storage system through the Ethernet
switch)
Up to 1 Gbps System Administration
7 Computer connected to the SC4020
through a serial connection
115,200 Kbps System Administration
(Service and installation
only)
Back-End Connectivity
Back-end connectivity is strictly between the storage system and expansion enclosures, which hold the
physical drives that provide back-end expansion storage.
An SC4020 storage system supports back-end connectivity to multiple expansion enclosures.
About the SC4020 Storage System
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