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Chapter 8. Attaching a Linux host

This chapter describes how to attach a an Intel server that runs Linux with Red Hat

7.1 and SuSE 7.2 to an IBM ESS. You can attach to an ESS with the following

adapter cards:

v QLogic QLA2200F

v QLogic QLA2300F

You cannot attach the ESS to a Linux host system with SCSI adapters..

Note: The steps to install and configure adapter cards are examples. Your

configuration might be different.

Attaching with fibre-channel adapters

This section describes how to attach an Intel server running Linux with Red Hat 7.1

and SuSE 7.2 to an IBM ESS. You can attach to an ESS with the following adapter

cards:

v QLogic QLA2200F

v QLogic QLA2300F

For information about the most current version of the kernel and the switches that

are supported, see the following Web site:

www.storage.ibm.com/hardsoft/products/ess/supserver.htm

Attachment requirements

This section lists the requirements for attaching the ESS to your host system:

v Check the LUN limitations for your host system; see Table 6 on page 11.

v Ensure that you have the documentation for your host system and the IBM

Enterprise Storage Server User’s Guide. The User’s Guide is on the compact

disc that you receive with the ESS.

See the following Web site for details about the release level for your operating

system:

www.storage.ibm.com/hardsoft/products/ess/supserver.htm

Either you or an IBM service support representative (SSR) must perform the

following tasks to install and configure an ESS.

1. The IBM SSR installs the ESS by using the procedures in the IBM Enterprise

Storage Server Service Guide.

2. Either you or an IBM SSR defines the fibre-channel host system with the

worldwide port name identifiers. For the list of worldwide port names see

“Appendix A. Locating the worldwide port name (WWPN)” on page 153.

3. Either you or an IBM SSR defines the fibre-port configuration if you did not do it

during the installation of the ESS or fibre-channel adapters.

Note: Use the information on the logical configuration work sheet in the IBM

Enterprise Storage Server Configuration Planner that you should have

previously filled out.

4. You or an IBM SSR configures the host system for the ESS by using the

instructions in your host system publications.