Fujitsu ETERNUS DX Disk User manual

FUJITSU Storage

ETERNUS DX

Configuration Guide -Server Connection-

(iSCSI) for HP-UX

P3AM-3402-14ENZ0

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 Disk storage system or an ETERNUS DX200F All Flash Array to a server running HP-UX via an

iSCSI interface.

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

ETERNUS DX Disk storage system, ETERNUS DX200F All Flash Array, server, OS, LAN cards, and drivers.

Refer to "FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- Notations" for the notations

used in this manual such as product trademarks and product names.

This manual references the following documents:

•Server Support Matrix

•FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) ETERNUS DX60 S3/DX100 S3/

DX200 S3, ETERNUS DX500 S3/DX600 S3 Disk Storage Systems, ETERNUS DX200F All Flash Array Settings

•FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) ETERNUS DX80 S2/DX90 S2,

ETERNUS DX410 S2/DX440 S2, ETERNUS DX8100 S2/DX8700 S2 Disk Storage System Settings

•FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) ETERNUS DX60/DX60 S2,

DX80 Disk Storage System Settings

•FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) ETERNUS DX400/DX8000 ser-

ies Disk Storage System Settings

•ETERNUS Web GUI User's Guide

•ETERNUSmgr User Guide

•ETERNUSmgr Install Guide

This manual is designed for use with the following storage systems:

•ETERNUS DX60 S3/DX100 S3/DX200 S3 Disk storage system

•ETERNUS DX500 S3/DX600 S3 Disk storage system

•ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage system

•ETERNUS DX410 S2/DX440 S2 Disk storage system

•ETERNUS DX8100 S2/DX8700 S2 Disk storage system

•ETERNUS DX60/DX80 Disk storage system

•ETERNUS DX410/DX440 Disk storage system

•ETERNUS DX8100/DX8400/DX8700 Disk storage system

•ETERNUS DX200F All Flash Array

14th Edition

December 2014

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX

P3AM-3402-14ENZ0

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 to a server.

•"Chapter 2 Checking the Server Environment" (page 8)

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

•"Chapter 3 Notes" (page 9)

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

server.

•"Chapter 4 Checking the Server Information" (page 13)

This chapter describes how to check the server information registered in the ETERNUS DX.

•"Chapter 5 Setting Up the ETERNUS DX" (page 14)

This chapter describes how to use ETERNUS Web GUI or ETERNUSmgr to set up the ETERNUS DX storage

systems.

•"Chapter 6 Installing the iSCSI Software Initiator and Setting Up the Server" (page 15)

This chapter describes how to install the iSCSI Software Initiator and set up the server.

•"Chapter 7 Checking Connections" (page 22)

This chapter describes how to check the connection status between the server and ETERNUS DX.

•"Chapter 8 Setting the Multipaths" (page 24)

This chapter describes the PV-Links settings.

Preface

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX

P3AM-3402-14ENZ0

Table of Contents

Chapter 1 Workflow 7

Chapter 2 Checking the Server Environment 8

2.1 Hardware ....................................................................................................................................... 8

2.2 OS (Operating System)................................................................................................................... 8

2.3 LAN Cards ....................................................................................................................................... 8

2.4 Multipath Configuration................................................................................................................. 8

Chapter 3 Notes 9

3.1 ETERNUS DX Setup Notes................................................................................................................ 9

3.2 Notes Regarding the Number of LUNs............................................................................................ 9

3.3 LAN Environment Notes ................................................................................................................. 9

3.4 LVM Notes .................................................................................................................................... 12

3.5 Server Startup and Power Supply Control Notes............................................................................ 12

3.6 Jumbo Frame Setting Notes.......................................................................................................... 12

Chapter 4 Checking the Server Information 13

Chapter 5 Setting Up the ETERNUS DX 14

Chapter 6 Installing the iSCSI Software Initiator and Setting Up the Server 15

6.1 Downloading and Installing the iSCSI Software Initiator............................................................... 15

6.2 Setting Up the Server.................................................................................................................... 16

6.2.1 Setting Up the Command Queue Depth ..............................................................................................................16

6.2.2 Maximum Number of Volume Group Settings.....................................................................................................17

6.2.3 iSCSI Basic Settings .............................................................................................................................................17

6.2.4 Server Settings when CHAP Authentication is Used.............................................................................................19

6.2.5 Server Settings when Bidirectional CHAP Authentication is Used........................................................................20

Chapter 7 Checking Connections 22

7.1 Turning on the Devices................................................................................................................. 22

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX

P3AM-3402-14ENZ0

7.2 Setting Up the Server to Recognize the Logical Units ................................................................... 22

Chapter 8 Setting the Multipaths 24

8.1 Multipath Configuration using PV-Links ....................................................................................... 24

8.2 Multipath Configuration using Native Multipath .......................................................................... 25

8.2.1 Setting the I/O Load Balance Policy (load_bal_policy) ........................................................................................25

8.2.2 Enabling ALUA (alua_enabled)...........................................................................................................................26

Table of Contents

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX

P3AM-3402-14ENZ0

Chapter 1

Workflow

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

below.

Workflow

Installing the iSCSI Software Initiator and Setting Up the Server

Set up the OS to connect to the ETERNUS DX.

•"Chapter 6 Installing the iSCSI Software Initiator and Setting Up the Server" (page 15)

Setting Up the Server to Recognize the Logical Units

Set up the server so that it can recognize the LUNs (logical unit numbers) of the ETERNUS DX.

•"7.2 Setting Up the Server to Recognize the Logical Units" (page 22)

Setting Up the Server as Required by the System Configuration

•Set PV-Links

-"Chapter 8 Setting the Multipaths" (page 24)

•Set Logical Volume Manager (LVM)

-"3.4 LVM Notes" (page 12)

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX

P3AM-3402-14ENZ0

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 Hardware

Refer to the "Server Support Matrix".

2.2 OS (Operating System)

Refer to the "Server Support Matrix".

2.3 LAN Cards

Refer to the "Server Support Matrix".

2.4 Multipath Configuration

Refer to the "Server Support Matrix".

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX

P3AM-3402-14ENZ0

Chapter 3

Notes

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

3.1 ETERNUS DX Setup Notes

Be sure to set the sub system parameters.

3.2 Notes Regarding the Number of LUNs

When using PV-Links, no more than 128 LUNs should be visible on any given path. If more than 128 LUNs

are found in one path, assignment of unique Target IDs and Disk IDs will not be possible and desired behav-

ior will not be observed in this environment. This is because the PV-Links function assumes that if devices on

different paths have the same Target ID and Disk ID, then they must connect to the same LUN.

The maximum number of unique Target IDs and Disk IDs for the device is 128.

3.3 LAN Environment Notes

•The ETERNUS DX can be connected to a server via an existing LAN. However, a decrease in LAN perform-

ance may be observed by prior users of said LAN.

•Since an iSCSI LAN handles large amounts of data (traffic volumes) like an FC-SAN, the iSCSI LAN must have

its own switch and be a dedicated LAN that is separate from the business LANs.

•iSCSI LAN redundancy is achieved by the use of multipaths.

•For IP network security, separate the iSCSI LAN from the management LAN (for administration).

•The iSCSI LAN must be configured as a dedicated LAN for each path from a server to the ETERNUS DX.

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX

P3AM-3402-14ENZ0

Example of a LAN switch connection configuration

Business server A

LAN

Card#2

LAN

Card#1

Business server B

LAN

Card#2

LAN

Card#1

Business server C

LAN

Card#2

LAN

Card#1

LAN

Card#3

LAN switch

[Business LAN]

LAN switch

[Management LAN]

ETERNUS DX

1 2 3

10 11 12

LUN1 LUN2

2 3

LAN

Card#3

LAN

Card#3

LUN3 Management

LAN port

LAN switches should not

be inter-connected (*1)

A separate LAN segment is used for each

Server/Storage grouping (*2).

Here, LAN ports 1, 2 and 10 comprise VLAN1,

while LAN ports 3 and 11 comprise VLAN2.

The iSCSI LAN and management LAN

segments are kept separate in the iSCSI

LAN switches, helping maintain the security

of each.

Similarly to FC-SAN,

a dedicated LAN is used for iSCSI,

not the business LAN.

Business LAN

iSCSI LAN

Management LAN

LAN switch #1

[iSCSI LAN]

LAN switch #2

[iSCSI LAN]

*1: In this system configuration, multipaths provide redundant connections between the servers and stor-

age system. LAN switches #1 and #2 provide physical separation of the network paths.

*2: A separate LAN segment is provided in the LAN switch (using the switch VLAN function) for each group-

ing of business servers and storage systems (equivalent to the FC zones).

Chapter 3 Notes

3.3 LAN Environment Notes

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX

P3AM-3402-14ENZ0

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