Name: Dell Storage Center SCv2020
Brand: Dell
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NOTE: After the Storage Center configuration is complete, run the host access wizard to configure

host server access and apply MPIO best practices. For the latest best practices, see the Dell Storage

Center Best Practices document on the Dell TechCenter site (http://en.community.dell.com/

techcenter/storage/).

Two Servers Connected to a Single 12 Gb 4-Port SAS Storage Controller

A storage system with four 12 Gb front-end SAS ports on a single storage controller can connect up to

two host servers, if each host server has two SAS HBAs.

About this task

This configuration includes four fault domains and the storage controller is connected to each host

server using two SAS connections.

NOTE: This configuration is vulnerable to storage controller unavailability, which results in a loss of

connectivity between the host servers and the storage system.

Steps

1. Connect fault domain 1 to host server 1 by connecting a SAS cable from storage controller 1: port 1

to host server 1.

2. Connect fault domain 2 to host server 1 by connecting a SAS cable from storage controller 1: port 2

to host server 1.

3. Connect fault domain 3 to host server 2 by connecting a SAS cable from storage controller 1: port 3

to host server 2.

4. Connect fault domain 4 to host server 2 by connecting a SAS cable from storage controller 1: port 4

to host server 2.

Example

Figure 50. Storage System with One 12 Gb SAS Storage Controller Connected to Two Host Servers

1. Server 1 2. Server 2

3. Storage system 4. Storage controller

Next steps

Install or enable MPIO on the host servers.

Connect the Front End

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