HP P6300 Enterprise Virtual Array Bedienungsanleitung

HP P6300/P6500 Enterprise Virtual Array

Installation Guide

Abstract

The P6300 EVA is customer self installable. However, you may purchase installation service by an HP-authorized service

provider if preferred. The P6500 EVA requires installation service by an HP-authorized service provider. For more information,

contact HP technical support in North America at 1-800-474-6836. Outside North America, call HP technical support at the

nearest location. Telephone numbers for worldwide technical support are listed on the HP website: http://www.hp.com/support.

To assist you in installing the P6300/P6500 EVAs, videos of the procedures have been produced. Go to the Services Media

Library website: http://www.hp.com/go/sml and navigate to your product to view these videos.

*5697-8091*

HP Part Number: 5697-8091

Published: May 2011

Edition: 1

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Confidential computer software. Valid license from HP required for possession, use, or copying. Consistent with FAR 12.211 and 12.212, Commercial

Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U.S. Government under

vendor's standard commercial license.

The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express

warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall

not be liable for technical or editorial errors or omissions contained herein.

Warranty

To obtain a copy of the warranty for this product, see the warranty information website: http://www.hp.com/go/storagewarranty

Acknowledgements

Microsoft® and Windows® are U.S. registered trademarks of Microsoft Corporation.

Linux® is a registered trademark of Linus Torvalds in the U.S. and other countries.

Printed in Puerto Rico

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Contents

1 Reviewing and confirming your plans............................................................5

Overview................................................................................................................................5

Prerequisites.............................................................................................................................5

Plan your storage configuration..................................................................................................5

General IP-SAN recommendations..........................................................................................6

Recommended switch infrastructure for an IP-SAN.....................................................................7

Network latency..................................................................................................................9

Network bandwidth.............................................................................................................9

Total number of iSCSI and iSCSI/FCoE initiators....................................................................11

Number of paths required per initiator..................................................................................12

Using Internet Storage Name Service (iSNS) .........................................................................13

Using iSCSI ports ..............................................................................................................13

Security............................................................................................................................13

System and performance expectations..................................................................................17

RAID levels.......................................................................................................................17

HP P6000 Command View implementation................................................................................18

2 Preparing your site...................................................................................19

Overview..............................................................................................................................19

Provide adequate structural support for the floor.........................................................................19

Provide adequate clearance space and ventilation......................................................................19

Provide adequate and redundant sources of power.....................................................................19

Remove product from packaging...............................................................................................19

3 Installing components................................................................................21

Overview..............................................................................................................................21

Rack installation best practices.................................................................................................21

Attach the brackets for a longer chassis.....................................................................................22

Attach the rails.......................................................................................................................24

Install the enclosures...............................................................................................................25

Installing the disk drives into the drive bays................................................................................27

4 Connecting cables and power cords...........................................................29

Overview..............................................................................................................................29

Cabling best practices.............................................................................................................29

Connecting cables..................................................................................................................29

Connecting the array to the disk enclosures...........................................................................29

Connecting the array to servers and switches.........................................................................30

Labeling cables using labeling kit........................................................................................30

Connecting the power cords....................................................................................................30

5 Turning on power.....................................................................................31

Power on the devices...............................................................................................................31

Power on best practices......................................................................................................31

Power on procedure...........................................................................................................31

Verify the operating status of the controller enclosures..................................................................31

Verify the operating status of the disk enclosures.........................................................................32

Verify the operating status of the Fibre Channel switches and adapters..........................................33

Contents 3

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Installing Fibre Channel drivers.................................................................................................33

6 Managing the iSCSI or iSCSI/FCoE module using HP P6000 Command View..34

Configuring the iSCSI and iSCSI/FCoE module management ports...............................................34

Fibre Channel zoning..............................................................................................................37

HP P6000 Command View discovery........................................................................................38

Configuring the iSCSI IP ports..................................................................................................43

Setting the time on the iSCSI or iSCSI/FCoE modules..................................................................43

Upgrading the iSCSI or iSCSI/FCoE module firmware.................................................................44

Restarting the iSCSI or iSCSI/FCoE module ...............................................................................45

Saving or restoring the iSCSI or iSCSI/FCoE module configuration................................................45

Locating the iSCSI or iSCSI/FCoE modules ................................................................................46

7 Connecting to the management module......................................................48

Overview..............................................................................................................................48

Connecting to the management module.....................................................................................48

Connecting through a public network...................................................................................48

Connecting through a private network..................................................................................49

Accessing HP P6000 Command View on the management module...............................................50

Changing the host port default operating mode..........................................................................50

Accessing the HP P6000 WOCP through HP P6000 Command View...........................................51

8 Configuring servers using HP P6000 SmartStart...........................................52

Configuring management servers using HP P6000 SmartStart.......................................................52

Configuring application servers using HP P6000 SmartStart.........................................................52

Configuring application servers manually...................................................................................52

Using and monitoring your storage...........................................................................................52

Controller software recovery ...............................................................................................52

Installing HP Insight Remote Support software........................................................................52

9 Support and other resources......................................................................54

Contacting HP........................................................................................................................54

HP technical support..........................................................................................................54

Subscription service............................................................................................................54

Documentation feedback....................................................................................................54

Related information.................................................................................................................54

Documents........................................................................................................................54

Websites..........................................................................................................................54

Typographic conventions.........................................................................................................55

Customer self repair................................................................................................................56

Rack stability..........................................................................................................................56

Location of WWN and serial number........................................................................................56

A Cabling the P6300/P6500 EVA................................................................58

Overview..............................................................................................................................58

Connecting P6300 EVA controllers to the disk enclosures (2C6D)..................................................58

Connecting P6500 EVA controllers to the disk enclosures (2C6D)..................................................63

Connecting the P6300/P6500 EVA to servers and switches.........................................................67

Fibre Channel....................................................................................................................67

iSCSI and iSCSI/FCoE........................................................................................................70

4 Contents

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1 Reviewing and confirming your plans

Overview

Before installing the P6300/P6500 EVA, HP recommends that you:

•Develop an installation and configuration plan for your Fibre Channel FC-SAN and/or Ethernet

IP-SAN environments.

•Review all videos and documentation.

•Determine if the FC host ports will be fabric-attached (N port connected to a Fibre Channel

switch) or direct-attached (NL port connected to a Fibre Channel adapter in a server or to a

bridge). The P6300/P6500 EVAs are factory configured for fabric-attached. To change to

direct-attached mode, see “Connecting to the management module” (page 48).

•Determine if the IP SAN will be lossy or lossless and if iSCSI and/or FCoE are being supported.

Prerequisites

Prerequisites for using this product include:

•A Fibre Channel switch installed in your environment for fabric-attached configurations

•An equipment cabinet suitable for 2U sized enclosures

•A 1 GbE or 10 GbE Ethernet switch, if you configure the P6300/P6500 EVA 1 GbE iSCSI

modules (or iSCSI modules) or the 10 GbE iSCSI/FCoE modules (or iSCSI/FCoE modules) as

iSCSI targets

•A converged network switch, if you configure the P6300/P6500 EVA 10 GbE iSCSI/FCoE

modules as iSCSI/FCoE targets, and separately configured iSCSI and FCoE VLANs

•One of the following is required for P6300/P6500 EVA management:

A management server running Windows for HP P6000 Command View software

(server-based management); the management server should have either an FC HBA, a 1

GbE iSCSI initiator, a 10 GbE iSCSI initiator, or a converged network adapter

◦

◦A management module running HP P6000 Command View software (array-based

management)

•A CD-ROM drive attached to either the management server or the server attached to the

management module

•Cat5E or Cat6 cabling to the 1 GbE iSCSI module data ports

•For connections to the controller 10GbE iSCSI/FCoE module data ports, HP recommends a)

10GbE SFP+ optical transceivers with optical Fibre Channel cables (PremierFlex or OM3

cables) when connecting outside of the cabinet, or b) 10GbE SFP+ copper cabling when

connecting inside of the cabinet. See the P6000 QuickSpecs for SFP and cable part numbers.

Plan your storage configuration

Proper planning of the system storage and its subsequent performance is critical to a successful

deployment of the EVA. Improper planning or implementation can result in wasted storage space,

degraded performance, or inability to expand the system to meet growing storage needs. Planning

considerations include:

•System and performance expectations

•Striping methods

•RAID levels

Overview 5

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•Disk drive sizes and types

•Spare drives

•Array sizing (capacity)

•Number of Fibre Channel presented virtual LUNs

•Number of iSCSI and FCoE initiators

iSCSI module: Maximum of 256 initiators or logins◦

◦iSCSI/FCoE module: Maximum of 1024 initiators or logins

•Number of virtual LUNs to be presented to the iSCSI and FCoE initiators

iSCSI module: Maximum of 255 LUNs (plus LUN 0)◦

◦iSCSI/FCoE module: Maximum of 1020 combined iSCSI and FCoE LUNs (plus LUN 0

from each virtual port group)

NOTE: FCoE requires a converged network switch which implements data center bridging (DCB)

standards for lossless Ethernet.

Building a high-performance, highly available IP storage network (IP-SAN) can be done several

ways. In general, consider enterprise-class switch infrastructure (described in “Minimum

recommended switch capabilities for a P6300/P6500 EVA-based IP-SAN” (page 7)) to minimize

packet discard, packet loss, and unpredictable performance. For the 10 GbE IP-SAN, consider

implementing it on a lossless Ethernet network, utilizing DCB switches. Within a 10 GbE based

data center, consider implementing the FCoE protocol.

General IP-SAN recommendations

•For Microsoft Windows Server environments, implement MPIO and HP DSM for NIC

fault-tolerance and superior performance.

•For other operating systems, where supported, implement NIC bonding in the host software

for NIC fault-tolerance and performance.

•Implement a separate subnet or VLAN for the IP storage network for dedicated bandwidth.

•Implement separate FCoE and iSCSI VLANs.

•Implement a fault-tolerant switch environment as a separate VLAN through a core switch

infrastructure or multiple redundant switches.

•Set the individual 1 and 10 gigabit ports connected to the storage nodes and servers at auto

negotiate full-duplex at both the switch and host/node port level.

•Implement switches with full-duplex non-blocking mesh backplanes with sufficient port buffer

cache (at least 512 KB per port).

•Implement flow control on the storage network switch infrastructure. Flow control can

dramatically impact performance in a 10 GbE environment. This is especially true in mixed

1 GbE and 10 GbE environments. When a network port becomes saturated, excess frames

may be dropped because the port cannot physically handle the amount of traffic received.

This causes the packets to be resent, and the overhead of resending the packets can decrease

performance.

For example, if a 10 GbE link sends data at 10 Gb/s to a single 1 GbE link, flow control

eliminates any problems by controlling the speed at which data is sent to the port. Best practices

dictate that flow control always be enabled and it must be enabled on both the switches and

6 Reviewing and confirming your plans

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the NICs/iSCSI initiators to function properly. If it is not enabled everywhere, the network

defaults to the lowest common denominator, which is flow control disabled.

•(Optional) Implement jumbo frames support on the switch, the 1 GbE iSCSI modules, and the

10 GbE iSCSI/FCoE modules when iSCSI is configured, and all servers connected to the

IP-SAN. Consider using 4K jumbo frames instead of 9K jumbo frames for better streaming

performance.

NOTE: FCoE requires jumbo frames and is the default configuration of a converged network

adapter, converged network switch, and the 10 GbE iSCSI/FCoE modules when FCoE is configured.

Recommended switch infrastructure for an IP-SAN

HP does not recommend a particular IP switch. However, there are minimum switch capabilities

that make building a high-performance, fault-tolerant storage network a relatively easy and cost

effective task. As a general rule, any enterprise-class managed switch typically has the capabilities

most IP-SAN customers require. Table 1 (page 7) summarizes the minimum recommended switch

capabilities for a P6000-based IP-SAN.

For FCoE, HP recommends converged network switches. For more information about these switches,

go to:

http://h18006.www1.hp.com/storage/networking/index.html

These switches are also referenced in the HP SAN Design Reference Guide, which is also available

through this website. For additional FCoE configuration details, see the HP Fibre Channel Over

Ethernet Application Note (part number: AA-RWQ5H-TE).

Table 1 Minimum recommended switch capabilities for a P6300/P6500 EVA-based IP-SAN

DescriptionSwitch capability

The iSCSI module option of the P6000 comes equipped with eight copper gigabit Ethernet

ports (802.3ab). To take advantage of full duplex gigabit capabilities, the cabling

infrastructure must be Cat5e or Cat6 cabling. The iSCSI/FCoE module option of the

P6000 comes equipped with four SFP+ 10 gigabit ports, and you configure either SFP+

optical or SFP+ copper connectivity. Server connections and switch interconnects can

be done with SFP+ fiber and SFP+ copper cabling, in addition to Cat5e or Cat6 cabling,

depending on IP switch capabilities.

1 and 10 gigabit Ethernet

support

In order to achieve maximum performance on the IP-SAN it is important to select a switch

that has a fully subscribed backplane. This means that the backplane is capable of

supporting all ports at full-duplex mode. For instance, if the switch has 24 gigabit ports,

it will have to have a 48 gigabit backplane to support full duplex gigabit communications.

Fully subscribed

non-blocking backplanes

For optimal switch performance, HP recommends that the switch have at least 512 KB

of buffer cache per port. Consult your switch manufacturer specifications for the total

buffer cache. For example, if the switch has 48 gigabit ports, this recommendation is to

have at least 24 MB of buffer cache dedicated to those ports. If the switch aggregates

cache among a group of ports (for example, 1 MB of cache per 8 ports), space your

used ports appropriately to avoid cache oversubscription.

Adequate per port buffer

cache

Plan your storage configuration 7

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Table 1 Minimum recommended switch capabilities for a P6300/P6500 EVA-based IP-SAN

(continued)

DescriptionSwitch capability

IP storage networks are unique in the amount of sustained bandwidth that is required to

maintain adequate performance levels under heavy workloads. Gigabit Ethernet flow

control (802.3x) technology should be enabled on the switch to eliminate receive and/or

transmit buffer cache pressure.

NOTE: Some switch manufacturers do not recommend configuring flow control when

using jumbo frames, or jumbo frames with flow control. Consult the switch manufacturer

documentation for guidance on this issue. HP recommends implementing flow control

over jumbo frames for optimal performance. Flow control is required when using the HP

DSM and MPIO.

Flow control support

All ports on the switch, servers, and storage nodes should be configured to auto-negotiate

duplex and speed settings. Although most switches and NICs will auto negotiate the

optimal performance setting, if a single port on the IP storage network negotiates a

sub-optimal (100 megabit or less and/or half-duplex) setting, the entire SAN performance

can be impacted negatively. Check each switch and NIC port to make sure the

auto-negotiation is resolved to be 1000 Mb/s or 10 Gb/s with full-duplex.

Individual port speed and

duplex setting

Link aggregation and/or trunking support is important to enable when building a high

performance fault-tolerant IP storage network. HP recommends implementing link

aggregation and/or trunking technology when doing switch-to-switch trunking, server

NIC load balancing, and server NIC link aggregation (802.3ad).

Link aggregation/trunking

support

Implementing a separate subnet or VLAN for the IP storage network is a best IP-SAN

practice. If implementing VLAN technology within the switch infrastructure, you typically

need to enable VLAN tagging (802.1q) and/or VLAN trunking (802.1q or InterSwitch

Link [ISL] from Cisco). Consult your switch manufacturer configuration guidelines when

enabling VLAN support.

VLAN support

In order to build a fault-tolerant IP storage network, multiple switches are typically

connected into a single Layer 2 (OSI Model) broadcast domain using multiple

interconnects. In order to avoid Layer 2 loops, the Spanning Tree protocol (802.1D) or

Rapid Spanning Tree protocol (802.1w) must be implemented in the switch infrastructure.

Failing to do so can cause numerous issues on the IP storage networks, including

performance degradation or even traffic storms. HP recommends implementing rapid

spanning tree if the switch infrastructure supports it for faster spanning tree convergence.

If the switch is capable, consider disabling spanning tree on the server switch ports so

that they do not participate in the spanning tree convergence protocol timings.

NOTE: FCoE should be configured with spanning-tree disabled at the first level server

edge switch.

Spanning tree/rapid

spanning tree

Sequential read and write, or streaming workloads, can benefit from a larger maximum

frame size than 1514 bytes. The iSCSI and iSCSI/FCoE modules are capable of frame

sizes up to 9 Kbytes. Better performance is realized when the NICs and iSCSI initiators

are configured for 4 Kbyte (maximum frame size of 4088 bytes) jumbo frames. Jumbo

frames must be enabled on the switch, the iSCSI and iSCSI/FCoE modules, and all

servers connected to the IP-SAN. Typically, jumbo frames are enabled globally on the

switch or per VLAN and on a per port basis on the server.

NOTE: Some switch manufacturers do not recommend configuring jumbo frames when

using flow control, or flow control with jumbo frames. Consult the switch manufacturer

documentation for guidance on this issue. HP recommends implementing flow control

over jumbo frames for optimal performance.

Jumbo frame support

8 Reviewing and confirming your plans

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Key configuration notes:

•Switch infrastructure: Use dual redundant 1 or 10 gigabit switches trunked together for

bandwidth and fault-tolerance.

•iSCSI and iSCSI/FCoE module connectivity: Ensure at least one port from each module is

connected to each switch.

•Host server connectivity: Use dual NICs connected to the IP storage network with a single port

connected to each switch. For Windows 2003/2008, use HP DSM for MPIO for multiple NIC

support.

Network latency

High network latency can be the primary cause of slow I/O performance or iSCSI drive disconnects.

It is important to keep network latency (for example, ping response time measurement) on the

IP-SAN subnet below two milliseconds. Many factors can contribute to increasing network latency;

the most common being congestion, distance, and router hops. Configuring the IP-SAN on a single

IP subnet with Layer-2 switching can help lower network latency.

Network bandwidth

Network bandwidth required for an IP-SAN depends on the server applications, maintenance

utilities, and backup/recovery processes. Most I/O intensive applications, like Microsoft Exchange

and SQL Server, do not consume much network bandwidth but are more sensitive to network

latency issues. Bandwidth becomes more important during maintenance operations, like

backup/recovery. Any sequential read/write stream could consume significant bandwidth.

NOTE: Storage data transfer rates are typically measured in bytes, while network data transfer

rates are measured in bits. A 1 Gb/sec network connection can transfer a maximum of 120–130

MB/sec. Microsoft Windows provides performance monitor counters that can help determine the

data-path bandwidth requirements. Disk bytes/sec is the rate bytes are transferred to or from the

disk during write or read operations.

The P6300/P6500 EVA is available as a single protocol (FC) or as a multi-protocol (FC/iSCSI or

FC/iSCSI/FCoE) array. The iSCSI protocol transport is supported at 1 GbE and 10 GbE rates

through the 1 GbE iSCSI modules or 10 GbE iSCSI/FCoE modules. Figure 1 (page 10) illustrates

the normal multi-protocol data and management connectivity. HP P6000 Command View requires

Ethernet access to the 1 GbE iSCSI modules and can also use array-based management with the

management module or in-band host-based management with the FC, iSCSI, or FCoE connectivity.

Plan your storage configuration 9

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Figure 1 P6300/P6500 multi-protocol management and data connectivity example

Figure 2 (page 10) illustrates HP P6000 Command View management of the P6300/P6500

through the iSCSI connectivity and the 1 GbE iSCSI modules through IP connectivity. When LUN

0 from each controller is presented through the iSCSI or FCoE connectivity, HP P6000 Command

View can manage the P6300/P6500 EVA controllers.

Figure 2 P6300/P6500 iSCSI and Ethernet management and data connectivity example

Figure 3 (page 11) illustrates a simplified multi-protocol data and management configuration.

10 Reviewing and confirming your plans

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