Fujitsu ETERNUS2000 100 Manuale utente

ETERNUS Disk storage systems Server Connection Guide for Oracle Solaris

P3AM-2722-04ENZ0

Preface

This document briefly explains the operations that need to be performed by the user in order to

connect an ETERNUS2000 model 100 or 200, ETERNUS4000 model 300, 400, 500, or 600, or

ETERNUS8000 model 700, 800, 900, 1100, 1200, 2100, or 2200 Disk storage system to a

server running Solaris OS via a Fibre Channel interface.

This document should be used in conjunction with any other applicable user manuals, such as

those for the ETERNUS2000 model 100 or 200, ETERNUS4000 model 300, 400, 500, or 600, or

ETERNUS8000 model 700, 800, 900, 1100, 1200, 2100, or 2200 Disk storage system, server,

OS used, Fibre Channel cards, drivers, etc.

Note that this manual refers the following documents.

•Server Support Matrix

•ETERNUS Disk storage systems Server Connection Guide (Fibre Channel)

for Oracle Solaris

Also, note that in this document the ETERNUS2000 models 100 and 200, ETERNUS4000

models 300, 400, 500, and 600, and ETERNUS8000 models 700, 800, 900, 1100, 1200, 2100,

and 2200 Disk storage systems are collectively referred to as ETERNUS Disk storage systems.

Fourth Edition

December 2010

The Contents and Structure of this Manual

This document is composed of the following three chapters.

•Chapter 1 Workflow

This describes the workflow to set up multipaths using MPxIO.

•Chapter 2 Using MPxIO

This describes points to note when using MPxIO.

•Chapter 3 Setting Up MPxIO

This describes how to set up MPxIO.

Preface

ETERNUS Disk storage systems Server Connection Guide for Oracle Solaris

P3AM-2722-04ENZ0

Safe Use of this Product

■Using this manual

This manual contains important information to ensure the safe use of this product. Be sure to

thoroughly read and understand its contents before using the product. After reading, store this

manual in a safe place for future reference.

FUJITSU has made every effort to ensure the safety of the users and other personnel, and to

prevent property damage. When using this product, carefully follow the instructions described in

this manual.

Acknowledgments

•Oracle and Java are registered trademarks of Oracle and/or its affiliates.

•All SPARC trademarks are used under license and are trademarks or registered trademarks

of SPARC International, Inc. in the United States and other countries.

•The company names, product names and service names mentioned in this document are

registered trademarks or trademarks of their respective companies.

Naming Conventions

■Product names

•Oracle Solaris might be described as Solaris, Solaris Operating System, or Solaris OS.

■Other names

•"Fibre Channel card" refers to the Fibre Channel interface module normally used by the

server. A "Host Bus Adapter" (HBA) or "Channel Adapter" (CA) may be used instead,

depending on the server.

•Italics are used to show variables such as values and characters that appear in command

parameters and output examples.

ETERNUS Disk storage systems Server Connection Guide for Oracle Solaris

P3AM-2722-04ENZ0

Contents

Chapter 1 Workflow ...................................................................................6

Chapter 2 Using MPxIO .............................................................................7

Chapter 3 Setting Up MPxIO .....................................................................8

3.1 Solaris 10 OS ..................................................................................................... 8

3.1.1 Disabling MPxIO on Some Paths ................................................................................................ 8

3.1.2 Enabling MPxIO ........................................................................................................................... 9

3.1.3 Checking the Storage System Status .......................................................................................... 9

3.1.4 Editing the "/kernel/drv/scsi_vhci.conf" Settings ........................................................................ 10

3.1.5 Reconfiguring and Restarting the Server .................................................................................. 10

3.1.6 Checking the MPxIO Multipath Status .......................................................................................11

3.2 Solaris 9 OS ..................................................................................................... 12

3.2.1 Disabling MPxIO on Some Paths .............................................................................................. 12

3.2.2 Checking the Storage System Status ........................................................................................13

3.2.3 Editing the "/kernel/drv/scsi_vhci.conf" Settings ........................................................................ 13

3.2.4 Reconfiguring and Restarting the Server .................................................................................. 14

3.2.5 Checking the MPxIO Multipath Status .......................................................................................15

3.3 Solaris 8 OS ..................................................................................................... 16

3.3.1 Disabling MPxIO on Some Paths .............................................................................................. 16

3.3.2 Checking the Storage System Status ........................................................................................17

3.3.3 Editing the "/kernel/drv/scsi_vhci.conf" Settings ........................................................................ 17

3.3.4 Reconfiguring and Restarting the Server .................................................................................. 18

3.3.5 Checking MPxIO Multipath Status ............................................................................................. 19

ETERNUS Disk storage systems Server Connection Guide for Oracle Solaris

P3AM-2722-04ENZ0

Chapter 1 Workflow

This chapter describes how to set up a multipath connection using MPxIO.

Refer to "Chapter 3 Setting Up MPxIO" (page 8) for more details.

When the CPU that is installed in the server is x64, the default setting values for MPxIO are

enabled.

Confirm that the default value for MPxIO is enabled in Step 2 of the following workflow.

Workflow

Disable MPxIO on paths not requiring it (/kernel/drv/fp.conf)

Specify any devices that will not form part of the multipath connection.

Solaris 10 OS

"3.1 Solaris 10 OS" (page 8)

Solaris 9 OS

"3.2 Solaris 9 OS" (page 12)

Solaris 8 OS

"3.3 Solaris 8 OS" (page 16)

Change Settings

(/kernel/drv/fp.conf,

/kernel/drv/scsi_vhci.conf)

1.Enable multipathing.

2.Enable the auto-failback

function.

Change Settings

(/kernel/drv/scsi_vhci.conf)

1.Enable multipathing.

2.Enable the auto-failback

function.

Change Settings

(/kernel/drv/scsi_vhci.conf)

1.Enable multipathing.

2. Enable the auto-failback

function.

3.Enable the Symmetric

option.

Effect the Changed Settings

Reconfigure the server and restart it.

Multipath Status Check

Check the status of the multipath connection after the MPIO settings are complete.

ETERNUS Disk storage systems Server Connection Guide for Oracle Solaris

P3AM-2722-04ENZ0

Chapter 2 Using MPxIO

When using MPxIO, read the following notes carefully.

•Before installing MPxIO, also check the usage conditions and list of supported environments

given in the relevant notes in the "Notes" section of the "ETERNUS Disk storage systems

Server Connection Guide (Fibre Channel) for Oracle Solaris" and the "Server Support Matrix".

•MPxIO is bundled with Solaris 10 OS from Update 1 onwards, so separate installation is not

required for these versions.

•Download and install the Sun StorEdge SAN (MPxIO) software from the following Oracle

web-site for Solaris 10 OS, Solaris 9 OS, and Solaris 8 OS. Refer to the Oracle web-site for

more details.

http://www.oracle.com/ (Oracle web-site)

Refer to "Sun StorEdge Traffic Manager Installation and Configuration Guide" on the Oracle

web-site (http://www.oracle.com/) for more detailed information.

ETERNUS Disk storage systems Server Connection Guide for Oracle Solaris

P3AM-2722-04ENZ0

Chapter 3 Setting Up MPxIO

The MPxIO set up procedure is common to all ETERNUS2000, ETERNUS4000, and

ETERNUS8000 Disk storage systems, but some settings vary depending on the Solaris OS ver-

sion.

Set up MPxIO according to the Solaris OS version being used.

3.1 Solaris 10 OS

3.1.1 Disabling MPxIO on Some Paths

When multipathing is not required for the specific LUN, use the following procedure to add phys-

ical paths for the relevant device to the "/kernel/drv/fp.conf" file in order to disable the multipath

function for the device.

Disabling the multipath function is not necessary when multipathing is to be set up for all the

LUNs that are recognized by the OS. In these cases, proceed to "3.1.2 Enabling MPxIO" (page

9).

Procedure

1Use the "cat" command (etc.) to check the "/etc/path_to_inst" file and identify the

physical pathname of the device for which multipathing is not required.

In this example, the physical path is "/pci@8,600000/SUNW,qlc@2"

2Add the following line to the "/kernel/drv/fp.conf" file using the "vi" command.

If this setting is omitted, multipathing is set up for all LUNs recognized by

the OS.

MPxIO must be disabled for the paths of connected devices that MPxIO

does not support (such as a tape device).

# cat /etc/path_to_inst

"/pci@8,600000/SUNW,qlc@2" 0 "qlc"

"/pci@8,600000/SUNW,qlc@2/fp@0,0" 5 "fp"

"/pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w500000e0113ce2e1,0" 5 "ssd"

Physical path

name="fp" parent="Physical path" port=0 mpxio-disable="yes";

Chapter 3 Setting Up MPxIO

> 3.1 Solaris 10 OS

ETERNUS Disk storage systems Server Connection Guide for Oracle Solaris

P3AM-2722-04ENZ0

Example:

End of procedure

3.1.2 Enabling MPxIO

Enable MPxIO.

Enable MPxIO by adding the following line to the "/kernel/drv/fp.conf" file.

3.1.3 Checking the Storage System Status

Use the "format" command to check the path status before multipathing is set up (example

output follows).

name="fp" parent="/pci@8,600000/SUNW,qlc@2" port=0 mpxio-disable="yes";

mpxio-disable="no";

# Global mpxio-disable property:

# To globally enable MPxIO on all fp ports set:

# mpxio-disable="no";

# To globally disable MPxIO on all fp ports set:

# mpxio-disable="yes";

mpxio-disable="no";

<- Comment out this line

<- Add this line

# format

Searching for disks...done

AVAILABLE DISK SELECTIONS:

0. c1t0d0 <SUN146G cyl 14087 alt 2 hd 24 sec 848>

/pci@8,600000/SUNW,qlc@2/fp@0,0/ssd@w500000e0113ce2e1,0

1. c2t2051000B5D6A0109d0 <FUJITSU-E8000-0000 cyl 6248 alt 2 hd 64 sec 256>

/pci@9,600000/SUNW,qlc@1,1/fp@0,0/ssd@w2051000b5d6a0109,0

2. c3t2050000B5D6A0109d0 <FUJITSU-E8000-0000 cyl 6248 alt 2 hd 64 sec 256>

/pci@9,600000/SUNW,qlc@2,1/fp@0,0/ssd@w2050000b5d6a0109,0

"d0" device is connected to c2 and c3 paths.

Chapter 3 Setting Up MPxIO

> 3.1 Solaris 10 OS

ETERNUS Disk storage systems Server Connection Guide for Oracle Solaris

P3AM-2722-04ENZ0

3.1.4 Editing the "/kernel/drv/scsi_vhci.conf" Settings

Edit the "/kernel/drv/scsi_vhci.conf" file to enable the auto-failback function.

Check that an "auto-failback="enable";" line exists, enabling the auto-failback function.

Otherwise, add this line or change its value to "enable".

3.1.5 Reconfiguring and Restarting the Server

Reconfigure and reboot the server to effect the new settings.

The ETERNUS Disk storage system can be reconfigured by creating the "/reconfigure" file and

rebooting the server.

# Use is subject to license terms.

#pragma ident "@(#)scsi_vhci.conf 1.9 04/08/26 SMI"

name="scsi_vhci" class="root";

# Load balancing global configuration: setting load-balance="none" will cause

# all I/O to a given device (which supports multipath I/O) to occur via one

# path. Setting load-balance="round-robin" will cause each path to the device

# to be used in turn.

load-balance="round-robin";

# Automatic failback configuration

# possible values are auto-failback="enable" or auto-failback="disable"

auto-failback="enable";

# For enabling MPxIO support for 3rd party symmetric device need an

# entry similar to following in this file. Just replace the "SUN SENA"

# part with the Vendor ID/Product ID for the device, exactly as reported by

# Inquiry cmd.

# device-type-scsi-options-list =

# "SUN SENA", "symmetric-option";

# symmetric-option = 0x1000000;

Check that auto-failback is enabled.

# touch /reconfigure

# /usr/sbin/shutdown -y -g0 -i6

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