Fujitsu ETERNUS DX Disk Manuale utente
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
3
FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX
Copyright 2014 FUJITSU LIMITED
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
4
FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX
Copyright 2014 FUJITSU LIMITED
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
5
FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX
Copyright 2014 FUJITSU LIMITED
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
6
FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX
Copyright 2014 FUJITSU LIMITED
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)
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FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX
Copyright 2014 FUJITSU LIMITED
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".
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FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX
Copyright 2014 FUJITSU LIMITED
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.
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FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX
Copyright 2014 FUJITSU LIMITED
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
12
1 2 3
10 11 12
LUN1 LUN2
10
2 3
11
LAN
Card#3
LAN
Card#3
1
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
10
FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (iSCSI) for HP-UX
Copyright 2014 FUJITSU LIMITED
P3AM-3402-14ENZ0
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