Fujitsu Citrix XenServer User manual

FUJITSU Storage

ETERNUS DX

Configuration Guide -Server Connection-

(SAS) for Citrix® XenServer®

P3AM-8552-06ENZ0

This page is intentionally left blank.

Preface

This manual briefly explains the operations that need to be performed by the user in order to connect an

ETERNUS DX to a server running Citrix® XenServer® via a SAS interface.

This manual should be used in conjunction with any other applicable user manuals, such as those for the

ETERNUS DX, servers, OS, SAS cards, and drivers.

Refer to "Configuration Guide -Server Connection- Notations" for the notations used in this manual such as

product trademarks and product names. For storage systems that are supported by the OS, refer to the Server

Support Matrix of the ETERNUS DX.

6th Edition

September 2017

The Contents and Structure of this Manual

This manual is composed of the following eight chapters.

•"Chapter 1 Workflow" (page 7)

This chapter describes how to connect the ETERNUS DX storage systems to a server running Citrix® XenServ-

er®.

•"Chapter 2 Checking the Server Environment" (page 9)

This chapter describes which servers can be connected to ETERNUS DX storage systems.

•"Chapter 3 Notes" (page 10)

This chapter describes issues that should be noted when connecting the ETERNUS DX storage systems and

server.

•"Chapter 4 Setting Up the ETERNUS DX" (page 12)

This chapter describes how to set up an ETERNUS DX.

•"Chapter 5 Setting Up the SAS Switches" (page 13)

This chapter describes how to set up the SAS switches.

•"Chapter 6 Installing the Driver" (page 15)

This chapter describes how to install the SAS card drivers.

•"Chapter 7 Setting Up XenServer" (page 16)

This chapter describes how to set up Citrix® XenServer®.

•"Chapter 8 SAN Boot" (page 21)

This chapter provides notes for SAN Boot.

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Citrix® XenServer®

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Citrix XenServer Terminology

•Storage Repository (SR)

A container where virtual disk images are stored

•Virtual Disk Image (VDI)

A storage abstraction that is presented to a Virtual Machine

The fundamental unit of virtualized storage in XenServer

•Physical Block Device (PBD)

An interface between a physical server and a Storage Repository

A connector object to map a Storage Repository to a XenServer host

•Virtual Block Device (VBD)

A connector object to map between VDIs and VMs

•Virtual Machine (VM)

A virtual machine that is created on XenServer (Guest OS)

Preface

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Citrix® XenServer®

P3AM-8552-06ENZ0

Table of Contents

Chapter 1 Workflow 7

Chapter 2 Checking the Server Environment 9

2.1 Servers ........................................................................................................................................... 9

2.2 SAS Cards........................................................................................................................................ 9

2.3 Connection Compatibility of ETERNUS DX Storage Systems to XenServer Host................................ 9

2.4 Virtual Machine.............................................................................................................................. 9

Chapter 3 Notes 10

3.1 Installation Notes......................................................................................................................... 10

3.2 Operating Notes ........................................................................................................................... 10

3.3 ETERNUS DX Setup Notes.............................................................................................................. 10

3.4 Server Startup and Power Supply Control Notes............................................................................ 11

Chapter 4 Setting Up the ETERNUS DX 12

Chapter 5 Setting Up the SAS Switches 13

Chapter 6 Installing the Driver 15

6.1 For Fujitsu SAS Cards .................................................................................................................... 15

6.2 For LSI Logic SAS Cards ................................................................................................................. 15

Chapter 7 Setting Up XenServer 16

7.1 Setting Up the SAS Cards .............................................................................................................. 16

7.1.1 For Fujitsu SAS Cards...........................................................................................................................................16

7.1.2 For LSI Logic SAS Cards........................................................................................................................................16

7.2 Turning on the Devices ................................................................................................................ 16

7.3 Checking LUN Status .................................................................................................................... 17

7.4 Creating a Storage Repository ...................................................................................................... 17

7.5 Setting the Multipaths ................................................................................................................. 18

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Citrix® XenServer®

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Chapter 8 SAN Boot 21

Table of Contents

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Citrix® XenServer®

P3AM-8552-06ENZ0

Chapter 1

Workflow

This chapter describes how to connect the ETERNUS DX storage systems to a server. The workflow is shown

below.

Required Documents

•"Server Support Matrix"

•"Configuration Guide -Server Connection- Storage System Settings" that corresponds to the ETERNUS DX to

be connected

•"ETERNUS Web GUI User's Guide"

•Manuals supplied with the server, SAS cards, and multipath driver

Workflow

Setting Up the ETERNUS DX

Set up the ETERNUS DX using ETERNUS Web GUI.

•Checking the setup and maintenance operations

-"Chapter 2 Checking the Server Environment" (page 9)

-"Chapter 4 Setting Up the ETERNUS DX" (page 12)

-"ETERNUS Web GUI User's Guide"

•Setting up the ETERNUS DX

-"Configuration Guide -Server Connection- Storage System Settings" that corresponds to the

ETERNUS DX to be connected

Setting Up the SAS Switches

Set up the SAS switch.

•"Chapter 5 Setting Up the SAS Switches" (page 13)

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Citrix® XenServer®

P3AM-8552-06ENZ0

Installing the Driver

Install the appropriate driver for the SAS card being used.

•Checking the SAS card driver versions

-"Chapter 6 Installing the Driver" (page 15)

-"Server Support Matrix"

Setting Up XenServer

Set up XenServer to connect to the ETERNUS DX.

•"Chapter 7 Setting Up XenServer" (page 16)

•Setting up XenServer and SAS cards

-"7.1 Setting Up the SAS Cards" (page 16)

•Checking the SAS card driver versions

-"Server Support Matrix"

Checking the LUNs

Check whether the server recognizes the LUNs of the ETERNUS DX and set up the LUNs so that they

can be used on XenServer.

•"7.3 Checking LUN Status" (page 17)

Creating a Storage Repository

Create a Storage Repository.

•"7.4 Creating a Storage Repository" (page 17)

Setting the Multipaths

Use the XenServer multipath to perform a redundant configuration.

•"7.5 Setting the Multipaths" (page 18)

Chapter 1 Workflow

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Citrix® XenServer®

P3AM-8552-06ENZ0

Chapter 2

Checking the Server Environment

Connection to servers is possible in the following environments.

Check the "Server Support Matrix" for server environment conditions.

2.1 Servers

For supported servers, refer to "Server Support Matrix" and the following URL:

http://hcl.xensource.com/

If a logical unit (LUN) of the ETERNUS DX storage systems is used as a boot disk, refer to "Server Support

Matrix" to check the server environment.

2.2 SAS Cards

Refer to the "Server Support Matrix".

2.3 Connection Compatibility of ETERNUS DX Storage Systems to

XenServer Host

Refer to the "Server Support Matrix".

2.4 Virtual Machine

For details on the procedure and notes about installing a Virtual Machine that is supported by XenServer,

refer to the manuals that can be obtained on the following Citrix web-site:

https://support.citrix.com/en/products/xenserver

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Citrix® XenServer®

P3AM-8552-06ENZ0

Chapter 3

Notes

Note the following issues when connecting the ETERNUS DX to a server.

3.1 Installation Notes

•To ensure reliable access to ETERNUS DX storage systems, multipath configuration is recommended.

•Setting up multiple access paths between the server and the ETERNUS DX storage systems, then using the

XenServer multipath, provides improved access redundancy.

•Enable the virtualization support functions (Intel VT or AMD-V) of the server before installing XenServer.

For details on the settings, refer to the relevant manual of the server to be used.

•Install XenServer when the ETERNUS DX is not connected to the server.

•The ETERNUS Multipath Driver does not need to be installed on the XenServer Virtual Machine. The Xen-

Server multipath provides path redundancy.

•When multiple paths are used, a multipath driver must be set. If a multipath driver is not set, the XenServ-

er multipath does not perform proper load balancing for the ETERNUS DX.

•Before setting a multipath configuration, create Storage Repositories for all the LUNs that exist in the

ETERNUS DX.

3.2 Operating Notes

•If a path error occurs in a multipath configuration using XenServer, the status of the failed multipath may

not be displayed. The status is displayed again when the failed path recovers.

•When XenServer is managed and operated with XenCenter, multipath errors may not be detected properly

by XenCenter. When checking multipath status, also check the status on the XenServer host side.

3.3 ETERNUS DX Setup Notes

•Host Response must be set before the ETERNUS DX is connected to the XenServer host.

•Even if the Eco-mode of the ETERNUS DX is enabled for a multipath configuration with XenServer, disk mo-

tors may not stop according to the Eco-mode settings.

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Citrix® XenServer®

P3AM-8552-06ENZ0

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