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Dell Storage Center SCv2000 and SCv2020 Storage System Deployment Guide

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One Fibre Channel Fabric with Dual 16 Gb 2-Port Storage Controllers

Use one Fibre Channel (FC) fabric to prevent an unavailable port or storage controller from causing a loss of connectivity between the host servers and a storage system with dual 16 Gb 2-port storage controllers .

About this task

This configuration includes one fault domain, one fabric, and one FC switch. Each storage controller connects to the FC switch using two FC connections.
  • If a physical port becomes unavailable, the virtual port moves to another port in the fault domain on the same storage controller
  • If a storage controller becomes unavailable, the virtual ports on the offline storage controller move to physical ports on the other storage controller .
  • NOTE: This configuration is vulnerable to switch unavailability, which results in a loss of connectivity between the host servers and storage system.

Steps

  1. Connect each server to the FC fabric.
  2. Connect fault domain 1 (shown in orange) to the fabric.
    • Storage controller 1: port 1 to the FC switch
    • Storage controller 1: port 2 to the FC switch
    • Storage controller 2: port 1 to the FC switch
    • Storage controller 2: port 2 to the FC switch

Example

Figure 1. Storage System with Dual 16 Gb Storage Controllers and One FC Switch Storage system with dual two-port storage controllers connected to host servers through a single switch.
  1. Server 1
  2. Server 2
  3. FC switch (Fault domain 1)
  4. Storage system
  5. Storage controller 1
  6. Storage controller 2

Next steps

Install or enable MPIO on the host servers.
  • 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/).

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