Fujitsu ETERNUS DX Disk User manual

FUJITSU Storage
ETERNUS DX
Configuration Guide -Server Connection-
(SAS) for Linux
P3AM-3472-14ENZ0

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 to a server running Linux via a SAS interface.
This manual should be used in conjunction with any other applicable user manuals, such as those for the
ETERNUS DX, server, 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.
14th Edition
April 2018
The Contents and Structure of this Manual
This manual is composed of the following ten chapters.
•"Chapter 1 Workflow" (page 6)
This chapter describes how to connect the ETERNUS DX storage systems to a server running Linux.
•"Chapter 2 Checking the Server Environment" (page 10)
This chapter describes which servers can be connected to ETERNUS DX storage systems.
•"Chapter 3 Notes" (page 11)
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 13)
This chapter describes how to set up the ETERNUS DX storage systems using ETERNUS Web GUI.
•"Chapter 5 Setting Up the SAS Switches" (page 14)
This chapter describes how to set up the SAS switches.
•"Chapter 6 Installing the Driver" (page 16)
This chapter describes how to install the SAS card driver.
•"Chapter 7 Setting Up the Server" (page 17)
This chapter describes how to make the server recognize the SAS card.
•"Chapter 8 LUN Recognition" (page 18)
This chapter describes how to make the server recognize the LUNs of the ETERNUS DX.
•"Chapter 9 Setting Up and Checking the Multipath Driver" (page 21)
This chapter describes how to set multipaths for multipath connection.
•"Chapter 10 Setting a File System" (page 22)
This chapter describes how to create a file system.
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FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Linux
Copyright 2018 FUJITSU LIMITED
P3AM-3472-14ENZ0

Table of Contents
Chapter 1 Workflow 6
1.1 When the Multipath Driver is not Used........................................................................................... 6
1.2 When the Multipath Driver is Used................................................................................................. 8
Chapter 2 Checking the Server Environment 10
2.1 Hardware ..................................................................................................................................... 10
2.2 Operating System (OS)................................................................................................................. 10
2.3 SAS Cards...................................................................................................................................... 10
2.4 ETERNUS Multipath Driver or device-mapper multipath ............................................................... 10
Chapter 3 Notes 11
3.1 SAS Card Notes ............................................................................................................................. 11
3.2 Server Startup Notes..................................................................................................................... 11
3.3 Red Hat Enterprise Linux Notes.................................................................................................... 11
3.4 SUSE Linux Enterprise Server Notes.............................................................................................. 11
3.5 Notes on Creating and Mounting File Systems ............................................................................. 12
3.6 Notes on Changing the max_sectors_kb Value ............................................................................. 12
Chapter 4 Setting Up the ETERNUS DX 13
Chapter 5 Setting Up the SAS Switches 14
Chapter 6 Installing the Driver 16
6.1 For Fujitsu SAS Cards .................................................................................................................... 16
6.2 For LSI Logic SAS Cards ................................................................................................................. 16
Chapter 7 Setting Up the Server 17
7.1 For Fujitsu SAS Cards .................................................................................................................... 17
7.2 For LSI Logic SAS Cards ................................................................................................................. 17
Chapter 8 LUN Recognition 18
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FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Linux
Copyright 2018 FUJITSU LIMITED
P3AM-3472-14ENZ0

8.1 Setting Up the Server to Recognize LUNs...................................................................................... 18
8.2 Displaying the Recognized Logical Units ...................................................................................... 19
8.2.1 For Red Hat Enterprise Linux or Oracle Linux ......................................................................................................19
8.2.2 For SUSE Linux Enterprise Server.........................................................................................................................20
Chapter 9 Setting Up and Checking the Multipath Driver 21
9.1 Setting Up and Checking the ETERNUS Multipath Driver............................................................... 21
9.2 Setting Up and Checking the device-mapper multipath ............................................................... 21
Chapter 10 Setting a File System 22
Table of Contents
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FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Linux
Copyright 2018 FUJITSU LIMITED
P3AM-3472-14ENZ0

Chapter 1
Workflow
This chapter describes how to connect the ETERNUS DX to a server running Linux.
Which documents need to be referred to varies with the connection environment. Refer to the workflow that
follows to determine which documents are required.
Required Documents
•"Server Support Matrix"
•"Configuration Guide -Server Connection- Storage System Settings" that corresponds to the ETERNUS DX to
be connected
•"Configuration Guide -Server Connection- (Fibre Channel/FCoE/iSCSI/SAS) for Linux device-mapper multi-
path"
•"ETERNUS Web GUI User's Guide"
•Manuals supplied with the server, SAS cards, and multipath driver
1.1 When the Multipath Driver is not Used
The documents and workflow required when a multipath driver is not used are as follows.
Workflow
Setting Up the ETERNUS DX
Set the various parameters required to operate the ETERNUS DX.
•Checking the setup and maintenance operations
-"Chapter 2 Checking the Server Environment" (page 10)
-"Chapter 4 Setting Up the ETERNUS DX" (page 13)
-"ETERNUS Web GUI User's Guide"
•Setting up the ETERNUS DX
-"Configuration Guide -Server Connection- Storage System Settings" that corresponds to the ETER-
NUS DX to be connected
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FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Linux
Copyright 2018 FUJITSU LIMITED
P3AM-3472-14ENZ0

Setting Up the SAS Switches
Set up the SAS switch.
•"Chapter 5 Setting Up the SAS Switches" (page 14)
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 16)
-"Server Support Matrix"
Setting Up the Server
Set the parameters required for connection to the ETERNUS DX.
•"7.1 For Fujitsu SAS Cards" (page 17)
•"7.2 For LSI Logic SAS Cards" (page 17)
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.
•"Chapter 8 LUN Recognition" (page 18)
Chapter 1 Workflow
1.1 When the Multipath Driver is not Used
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FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Linux
Copyright 2018 FUJITSU LIMITED
P3AM-3472-14ENZ0

1.2 When the Multipath Driver is Used
The documents and workflow required when a multipath driver is used are as follows.
Workflow
Setting Up the ETERNUS DX
Set the various parameters required to operate the ETERNUS DX.
•Checking the setup and maintenance operations
-"Chapter 2 Checking the Server Environment" (page 10)
-"Chapter 4 Setting Up the ETERNUS DX" (page 13)
-"ETERNUS Web GUI User's Guide"
•Setting up the ETERNUS DX
-"Configuration Guide -Server Connection- Storage System Settings" that corresponds to the ETER-
NUS DX to be connected
Setting Up the SAS Switches
Set up the SAS switch.
•"Chapter 5 Setting Up the SAS Switches" (page 14)
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 16)
-"Server Support Matrix"
Chapter 1 Workflow
1.2 When the Multipath Driver is Used
8
FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Linux
Copyright 2018 FUJITSU LIMITED
P3AM-3472-14ENZ0

Setting Up the Server
Set the parameters required for connection to the ETERNUS DX.
•"7.1 For Fujitsu SAS Cards" (page 17)
•"7.2 For LSI Logic SAS Cards" (page 17)
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.
•"Chapter 8 LUN Recognition" (page 18)
When the ETERNUS Multipath Driver is used When the device-mapper multipath is used
Setting Up and Checking the ETERNUS Multi-
path Driver
Set up and check the ETERNUS Multipath Driver.
•"9.1 Setting Up and Checking the ETERNUS Mul-
tipath Driver" (page 21)
Setting Up and Checking the device-mapper
multipath
Set up and check the device-mapper multipath.
•"9.2 Setting Up and Checking the device-mapper
multipath" (page 21)
•"Configuration Guide -Server Connection- (Fibre
Channel/FCoE/iSCSI/SAS) for Linux device-map-
per multipath"
Chapter 1 Workflow
1.2 When the Multipath Driver is Used
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FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Linux
Copyright 2018 FUJITSU LIMITED
P3AM-3472-14ENZ0

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 Operating System (OS)
Refer to the "Server Support Matrix".
2.3 SAS Cards
Refer to the "Server Support Matrix".
2.4 ETERNUS Multipath Driver or device-mapper multipath
Refer to the "Server Support Matrix".
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FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Linux
Copyright 2018 FUJITSU LIMITED
P3AM-3472-14ENZ0