Dell PowerVault MD3600f Series Manuale utente

Dell PowerVault MD3600f and

MD3620f Storage Array

Configuring Fibre

Channel With Dell

MD3600f Series

Storage Arrays

book.book Page 1 Tuesday, June 14, 2011 10:04 AM

Notes, Cautions, and Warnings

NOTE: A NOTE indicates important information that helps you make better use of

your computer.

CAUTION: A CAUTION indicates potential damage to hardware or loss of data if

instructions are not followed.

WARNING: A WARNING indicates a potential for property damage, personal

injury, or death.

____________________

Information in this publication is subject to change without notice.

Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc.

is strictly forbidden.

Trademarks used in this text: Dell™, the DELL logo, and PowerVault™ are trademarks of Dell Inc.

Other trademarks and trade names may be used in this publication to refer to either the entities claiming

the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and

trade names other than its own.

2011—06 Rev. A00

book.book Page 2 Tuesday, June 14, 2011 10:04 AM

Contents 3

Contents

Configuring Fibre Channel on Direct- and

SAN-Attached Storage Arrays. . . . . . . . . . . . . . . 5

Other Information You May Need . . . . . . . . . . . . . 6

Installing Supported Fibre Channel HBAs . . . . . . . . 7

Installing Fibre Channel HBA

on Your Host Server . . . . . . . . . . . . . . . . . 7

Customizing HBA Drivers and

Firmware Settings . . . . . . . . . . . . . . . . . . 7

Using Fibre Channel Switch Zoning. . . . . . . . . . . . 8

World Wide Name Zoning . . . . . . . . . . . . . . 9

Switch Zoning Requirements. . . . . . . . . . . . 10

Setting Up Zoning on the

Fibre Channel Switch Hardware . . . . . . . . . . 10

Cabling the Storage Array . . . . . . . . . . . . . . . . 11

Redundant and Non-Redundant Cabling . . . . . . 11

Direct-Attached Cabling . . . . . . . . . . . . . . 11

SAN-Attached Cabling . . . . . . . . . . . . . . . 17

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4Contents

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Configuring Fibre Channel 5

This document provides information about configuring Fibre Channel

communication between the host server and the storage array. For basic setup

information such as racking, power cabling, and recommended handling

procedures, see the Dell PowerVault MD3600f and MD3620f Storage Array

Getting Started With Your System at support.dell.com/manuals.

NOTE: Throughout the document, Dell PowerVault MD3600f series storage array

refers to both Dell PowerVault MD3600f and Dell PowerVault MD3620f.

Configuring Fibre Channel on Direct- and SAN-

Attached Storage Arrays

You can cable the host server to the storage array in one of two ways:

• A direct host server-to-storage array connection using a supported Fibre

Channel cable

• A storage array network (SAN) using a compatible Fibre Channel switch

NOTE: For detailed information on supported Fibre Channel hardware, see the

Support Matrix

at support.dell.com/manuals.

Table 1 shows the order of configuration steps for both types of connections.

These steps assume you are setting up a Fibre Channel storage for the

first time.

NOTE: If you are adding an additional Fibre Channel storage array or if your host

server is already configured to access Fibre Channel storage, some of the steps in

Table 1 may not apply. Before proceeding, see the

Support Matrix

to confirm that

your existing hardware components and host bus adapter (HBA) firmware and

BIOS levels are supported.

book.book Page 5 Tuesday, June 14, 2011 10:04 AM

6Configuring Fibre Channel

Other Information You May Need

In addition to this document, see the documentation provided with the HBA

and Fibre Channel switch hardware for vendor-specific information required

to complete Fibre-Channel setup on your storage array.

Table 1. Configuring Fibre Channel

Direct-Attached Storage Arrays SAN-Attached Storage Arrays*

Install the supported HBAs on your

host server.

Cable the host server to the storage array.

See "Direct-Attached Cabling Examples"

on page 12.

Install the required HBA drivers and

firmware versions listed in the

Support

Matrix

Install and configure the MD Storage

Manager software (included with your

storage array) on your host server.

Using MD Storage Manager (MDSM),

configure the host servers, storage arrays,

and virtual disks.

Activate and configure premium features

(if applicable).

Install the supported HBAs on your

host server.

Cable the host server to the Fibre

Channel switches. See "SAN-Attached

Cabling Example" on page 18 and

"Remote Replication Cabling Example"

on page 19.

Install the required HBA drivers and

firmware versions listed in the

Support

Matrix

Install and configure the MD Storage

Manager software (included with your

storage array) on your host server.

Cable the storage array to the Fibre

Channel switches.

Configure zoning on all Fibre Channel

switches. See "Switch Zoning

Requirements" on page 10. **

Using MDSM, configure the host

servers, storage arrays, and virtual disks.

Activate and configure premium

features (if applicable).

* A SAN-attached configuration is required to use the Remote Replication premium feature. Remote

Replication is not supported in direct-attached configurations.

** All equipment attached to the switch must be powered on before establishing zoning. For additional

switch hardware requirements, see the manufacturer’s documentation.

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Configuring Fibre Channel 7

Installing Supported Fibre Channel HBAs

The storage array supports a specific set of Fibre Channel HBAs, each

requiring a unique driver and firmware level. See the Support Matrix at

support.dell.com/manuals for a list of supported HBAs with the software

patches, knowledge bases, drivers, firmware, and BIOS versions.

If an HBA is already installed on your host server, verify that it is supported in

the Support Matrix and is operating at the driver and/or firmware level

specified. If the HBA is not listed in the Support Matrix, it should not be used

to connect to the storage array.

CAUTION: Connecting the storage array to a non-supported host server HBA or

installing non-qualified HBA drivers or firmware can cause instability or loss of

access to your data.

Installing Fibre Channel HBA on Your Host Server

For instructions about physically installing an HBA in your host server and

loading supported drivers and firmware, see the documentation supplied with

your HBA hardware.

Customizing HBA Drivers and Firmware Settings

In most cases, the default manufacturer HBA driver and firmware settings are

sufficient to support Fibre Channel communication with the storage array.

However, in the case of certain HBA manufacturers, the Support Matrix may

contain information about specific driver and firmware settings necessary to

optimize storage array. Review the Support Matrix to ensure that you are aware

of any customized settings that may affect the performance of your HBA.

NOTE: Most Fibre Channel HBAs require a link timeout and node timeout value of

10 seconds. This value can be set using the HBA manufacturer's management

utilities, such as Emulex's OneCommand Manager and QLogic's Enterprise

Fabric Suite.

book.book Page 7 Tuesday, June 14, 2011 10:04 AM

8Configuring Fibre Channel

Using Fibre Channel Switch Zoning

A Fibre Channel switch allows you to connect multiple devices to the SAN

without compromising bandwidth or data throughput. Switch zoning

implemented on each Fibre Channel switch hardware component using the

manufacturer’s embedded utility, allows you to divide port traffic between

the host server and storage array to maintain the highest level of redundancy.

Figure 1 shows each connection to the host server routed to an individual

logical zone on the SAN. Two physical switches provide an alternate

(redundant) data path to the storage array. If a single HBA, switch or RAID

controller fails, the host server can still access data on the storage array

through one of the alternate paths provided by the switches.

NOTE: For a list of supported Fibre Channel switches, see the

Support Matrix

support.dell.com/manuals.

book.book Page 8 Tuesday, June 14, 2011 10:04 AM

Configuring Fibre Channel 9

Figure 1. Example of Switch Zoning on SAN

World Wide Name Zoning

There are several different switch zoning techniques used across various

SANs. When configuring zoning with your storage array, use 64 bit World

Wide Name (WWN) port zoning to uniquely identify each component in

your Fibre Channel switch fabric. An advantage of using WWN port zoning

(also called soft zoning) is that it allows you to remove and/or replace cabling

to and from the fabric without reconfiguring the existing zone logic.

When implemented on the Fibre Channel switch, port WWN zoning causes

the host server to query the World Wide Identifier (WWID) name of all

attached physical disks and/or expansion enclosures each time it access the

switch fabric. By zoning specific ports on the host server, switch and storage

FC HBA 1 FC HBA 2

SAN

Switch 1

Zone 1 Zone 2 Zone 3 Zone 4

Switch 2

PowerVault MD3600f series storage array

book.book Page 9 Tuesday, June 14, 2011 10:04 AM

10 Configuring Fibre Channel

array together, the switch allows the host server to see only devices included in

that zone, decreasing the amount of time it would otherwise take for the host

server to query attached, but out-of-zone, devices.

Switch Zoning Requirements

The storage array imposes specific requirements that must be followed when

setting up Fibre Channel switch zoning:

• If a Fibre Channel switch is used to connect your host server and storage

array, it must be zoned. Un-zoned or open switches cannot be used.

• Always use WWN port zoning, not

hard

zoning

that blocks or grants access

based on the device.

• No more than one HBA may be connected to a single logical switch zone.

• No more than four paths (port-to-port segments) can be established from

a single, physical host server to a single RAID controller.

• A zone can contain multiple targets.

• A zone can span multiple storage arrays.

• If the Remote Replication premium feature is activated, a separate zone

for each replication port is required. Only data traffic related to Remote

Replication can move through that zone. For more details and

requirements regarding Remote Replication, see the

Owner’s Manual

support.dell.com/manuals

Setting Up Zoning on the Fibre Channel Switch Hardware

Setting up zoning on Fibre Channel switches varies greatly between

manufacturers. For detailed information on how to set up zoning on your

switch, see the manufacturer’s product documentation or technical support

website.

book.book Page 10 Tuesday, June 14, 2011 10:04 AM

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