The following illustration shows multiple redundant direct-attached SAS host connections. This configuration is also the configuration to use for a dual-node cluster configuration.

Host system with two host adapter

Host system with two host adapter

DS3200

Figure 30. Dual-controller direct-attached connections to multiple HBAs in multiple hosts

Overview of installing an IBM BladeCenter configuration to connect to a DS3200

This section gives an overview and guidelines for installing an IBM BladeCenter configuration to connect to a DS3200.

Before you install the BladeCenter configuration, consider the following information:

vMake sure that the BladeCenter chassis, blade server, SAS connectivity module, and SAS expansion card are supported. Go to http://www.ibm.com/servers/ storage/support/disk/, select the link for the DS3200, and see the interoperability matrix.

vMake sure that an Advanced Management Module is installed in the BladeCenter chassis. The latest level of management-module firmware is available at http://www.ibm.com/bladecenter/.

vFor the latest SAS connectivity module firmware, SAS expansion card firmware, blade server BIOS code, and device drivers, see http://www.ibm.com/systems/ support/.

Installing the BladeCenter configuration

To install the IBM BladeCenter SAS Expansion Card (CFFv), IBM BladeCenter SAS Connectivity Module, and blade server, complete the following general steps:

1.Install an IBM BladeCenter SAS Expansion Card (CFFv) in each blade server that you want to connect to the DS3200. See the documentation that comes with the SAS expansion card for installation requirements and procedures.

2.Install the blade servers in the BladeCenter chassis. See the documentation that comes with the blade server for installation requirements and procedures.

Chapter 3. Cabling the storage subsystem 41

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IBM DS3200 Storage Subsystem manual Installing the BladeCenter configuration