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    Deployment Guide

    VMware vSphere 5.0: 8Gb/s FibreChannel SANs with HP ProLiant

    DL380 G7 servers and HP 3PARUtility Storage

    Create robust, highly available

    vSphere 5.0 Fibre Channel

    environments with best-of-breed HP

    3PAR Utility Storage and HP ProLiant

    DL servers

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    Table of contents

    Emulex Solution Implementers Series .................................................................................................................. 3

    Executive summary ................................................................................................................................................. 3

    Introduction .............................................................................................................................................................. 4

    About this guide .................................................................................................................................................. 5

    Solution components...............................................................................................................................................6

    ESXi 5.0 ............................................................................................................................................................... 7

    HP ProLiant servers ............................................................................................................................................ 8

    Deploying the solution components ...................................................................................................................9

    Pre-installation .........................................................................................................................................................9

    Updating firmware ...............................................................................................................................................9

    Configuring network connectivity.......................................................................................................................... 10

    Configuring storage ............................................................................................................................................... 11

    Using the VMFS-5 filesystem for additional functionality................................................................................ 11

    Support for RDM LUNs in ESXi 5.0 ................................................................................................................. 12

    Configuring Fibre Channel connectivity ........................................................................................................... 12

    Deploying ESXi 5.0 ............................................................................................................................................... 17

    Post-installation ..................................................................................................................................................... 17

    Planning the network environment for the host ............................................................................................... 19

    Configuring the HP 82E 8Gb/s HBA ................................................................................................................ 20

    Using NPIV to identify HBA ports ..................................................................................................................... 20

    Configuring the storage array ........................................................................................................................... 21

    Using the OneCommand Manager plug-in for VMware vCenter........................................................................ 22

    Performance comparison ...................................................................................................................................... 26

    Test environment .............................................................................................................................................. 26

    Test methodology.............................................................................................................................................. 28

    Summary ............................................................................................................................................................... 33

    Appendix AInstalling the CIM provider and vCenter plug-in ........................................................................... 34

    Installing the CIM provider................................................................................................................................ 34

    Installing the vCenter plug-in ............................................................................................................................ 36

    Appendix BSample configurations for ESXi 5.0 host and VMs ...................................................................... 37

    Appendix CConfiguring BfS .............................................................................................................................. 38

    For more information ............................................................................................................................................. 39

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    Solution Implementers Series

    3 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    Emulex Solution Implementers SeriesThis document is part of the Emulex Solution Implementers Series, providing Implementers (IT

    administrators and system architects) with solution and deployment information on popular

    server and software platforms. As a leader in I/O adaptersFibre Channel (FC), Ethernet,

    iSCSI and Fibre Channel over Ethernet (FCoE)the Emulex technology team is taking a lead

    in providing guidelines for implementing I/O for these solutions.

    Executive summary

    With ESXi 5.0, VMware continues to raise the bar for hypervisor products, introducing many

    new features along with support for more and larger virtual machines (VMs). ESXi 5.0 does notutilize a service console OS; VMware agents and Common Information Model (CIM) providers

    run directly on the hypervisor layer (VMkernel). As a result, there will be no further releases of

    ESX.

    There are three options for communicating with VMkernel: VMware vSpheres enhanced

    command-line interface (vCLI), vSphere PowerCLI or the vSphere Management Assistant

    (vMA) virtual appliance.

    ESXi 5.0 provides many new features and enhancements in areas such as storage and

    networking. Indeed, VMware has indicated1that there are over 100 new features, claiming, for

    example, that ESXi 5.0 can run VMs that are four-times as powerful as those supported by

    earlier versions. However, as shown in Table 1, the new, larger VM will place heavy demands

    on data center infrastructure.

    Table 1. Resources supported by various VMware hypervisors

    Resource Requirementsfor 95% ofapplications

    ESX 1 ESX 2 VMwareInfrastructure3.0/3.5

    vSphere 4 vSphere 5

    CPU 12 CPUs 1 vCPU 2 vCPUs 4 vCPUs 8 vCPUs 32 vCPUs

    Memory

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    Solution Implementers Series

    4 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    To help you transition to an infrastructure that can support the storage needed by this new

    generation of VMs, Emulex has validated the functionality and performance of ESXi 5.0 in

    conjunction with 8Gb/s Fibre Channel connectivity. The tested environment included the best-of-

    breed HP ProLiant DL380 G7 server equipped with a dual-channel 8Gb/s Fibre Channel

    adapter produced for HP by Emulex. Storage was provided byHP 3PAR Utility Storage.

    In addition to suggesting that 8Gb/s SANs are better suited for the new release of vSphere, this

    implementers guide outlines the process for deploying ESXi 5.0 with 8Gb/s Fibre Channel

    connectivity and outlines the results of performance tests carried out in such an environment.

    The testing demonstrated that an 8Gb/s Fibre Channel implementation based on the latest

    Emulex Fibre Channel adapter technology was able to support more VMs than a 4Gb/s

    implementation, while also reducing CPU utilization on the ESXi 5.0 host. Thus, as VM density

    increases, the additional burden placed on storage can be mitigated by migrating from 4Gb/s

    Fibre Channel to 8Gb/s.

    Intended audience: This document is intended for engineers, system administrators and

    VMware administrators interested in deploying ESXi 5.0 on an HP ProLiant server featuring an

    8Gb/s Fiber Channel adapter.

    Testing performed in September-October 2011 is described.

    Introduction

    ESXi 5.0 supports an unprecedented number of VMs on a single host; moreover, these VMs

    can reach unprecedented size. As a result, Emulex expects to see more and more workloads

    being virtualized, as well as additional resources being assigned to existing VMs in order to

    meet the needs of particular workloads. As noted by VMware2, the VM will onlyget bigger and

    faster.

    2http://www.vmware.com/files/pdf/press-kit/vmw-vsphere-cloud-infrastructure.pdf

    http://www.vmware.com/files/pdf/press-kit/vmw-vsphere-cloud-infrastructure.pdfhttp://www.vmware.com/files/pdf/press-kit/vmw-vsphere-cloud-infrastructure.pdfhttp://www.vmware.com/files/pdf/press-kit/vmw-vsphere-cloud-infrastructure.pdfhttp://www.vmware.com/files/pdf/press-kit/vmw-vsphere-cloud-infrastructure.pdf
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    Solution Implementers Series

    5 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    Figure 1 shows the progress that has been made in virtualizing business-critical applications.

    Alex: Figure 1: the

    source is a bit blurred.

    Figure 1. Comparing the percentages of business-critical application instances virtualized using VMware hypervisors

    VMware expects3more VMs to be deployed than ever before, with ESXi 5.0 allowing these VMs

    to grow as much as four times larger. With this increased density, virtualized environments must

    be able to provide additional network and storage resources in order to support the workloads.

    About this guide

    This implementers guide describes how to configure an 8Gb/s Fibre Channel storage array

    network (SAN) with a ProLiant DL380 G7 server in a vSphere 5.0 environment. Guidelines and

    instructions are provided for configuring servers, adapters and storage using technical

    documentation provided by VMware and HP.

    While the key objective was to describe the configuration and validation of this end-to-end

    solution, this guide also outlines the following:

    Implementing boot from SAN (BfS)

    Using the Emulex OneCommand Manager plug-in for VMware vCenter Server

    3Based on interim results of VMware customer surveys performed in January 2010 and April 2011

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    Solution Implementers Series

    6 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    Solution components

    Emulex built the end-to-end test environment shown in Figure 2 in order to validate 8GB/s Fibre

    Channel connectivity with ESXi 5.0.

    Table 2 outlines the key components deployed in this environment.

    Table 2. Test environment

    Component Device Comments

    Tested server HP ProLiant DL380 G7 Virtualization host running ESXi 5.0;10 identically-configured VMs

    Management server HP ProLiant DL160 Two VMs:

    vMA (Linux appliance)

    vSphere Client and Emulex OneCommandManager or the Emulex OneCommandManager plug-in for VMware vCenter

    AD & DNS server Generic Microsoft Windows Server2008 system

    Support for Microsoft Active Directory (AD) andDomain Name System (DNS)

    Storage HP 3PAR Utility Storage F200 Storage System (QL226B)

    Fibre Channelconnectivity

    8GB/s host bus adapter (HBA) HP 82E 8Gb Dual Port Fibre Channel HBA

    8Gb/s fabric switch Brocade 24-port SAN switch

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    Solution Implementers Series

    7 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    Figure 2. Lab Test environment

    If this is your first time installing VMware products on a ProLiant server, it is important for you to

    have a basic understanding of each of the solution components so that the terminology used in

    this guide is clear.

    ESXi 5.0

    VMwares latest hypervisor, ESXi 5.0, extends the core capabilities of vSphere 4.1 and provides

    the foundation for a cloud infrastructure, whether public or private. Areas where you can expect

    to see improvements after deploying ESXi 5.0 include server consolidation, performance,

    management, provisioning, and troubleshooting.

    For more information on vSphere 5.0, refer to Whats New in VMware vSphere 5.0 Platform,

    available athttp://www.vmware.com/files/pdf/techpaper/Whats-New-VMware-vSphere-50-

    Platform-Technical-Whitepaper.pdf.

    http://www.vmware.com/files/pdf/techpaper/Whats-New-VMware-vSphere-50-Platform-Technical-Whitepaper.pdfhttp://www.vmware.com/files/pdf/techpaper/Whats-New-VMware-vSphere-50-Platform-Technical-Whitepaper.pdfhttp://www.vmware.com/files/pdf/techpaper/Whats-New-VMware-vSphere-50-Platform-Technical-Whitepaper.pdfhttp://www.vmware.com/files/pdf/techpaper/Whats-New-VMware-vSphere-50-Platform-Technical-Whitepaper.pdfhttp://www.vmware.com/files/pdf/techpaper/Whats-New-VMware-vSphere-50-Platform-Technical-Whitepaper.pdfhttp://www.vmware.com/files/pdf/techpaper/Whats-New-VMware-vSphere-50-Platform-Technical-Whitepaper.pdf
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    Solution Implementers Series

    8 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    HP ProLiant servers

    HP ProLiant DL380 G7 continue to be the server of choice for many HP shops in the VMware

    space. These servers are used widelyfrom small and medium-sized businesses (SMBs) tolarge data centersdue to their high availability, scalability, CPU horsepower and memory

    capacity. In addition, these 2U rack-mount servers save space and power, making them ideal

    for large data centers moving to a cloud infrastructure.

    Using Fibre Channel for shared storage

    When deploying vSphere on ProLiant servers, you should always consider using a SAN so that

    you can take full advantage of the many hypervisor features and enhancements that require

    shared storage.

    While VMware supports most of the more common protocols, Fibre Channel is the predominant

    choice for shared SAN storage. Storage protocols continue to evolve, introducing options suchas iSCSI and NFS storage arrays; however, this guide focuses on Fibre Channel connectivity.

    Server sizing

    HP has developed an automated toolHP Sizing Tool for VMware vSpherethat can help you

    size and scope a server for a particular vSphere deployment. Based on your responses to a

    questionnaire, this tool provides a quick, consistent method for identifying the best server for

    your environment. It also creates a bill of material.

    For more information on this sizer and other HP solutions for VMware, visit

    www.hp.com/go/vmware.

    HP Storage

    HP 3PAR Utility Storage is a highly virtualized storage system built from the ground up to

    enhance the benefits of a VMware vSphere virtualization platform. This is accomplished by

    exceeding the storage demands of a server virtualization environment through architectural

    advantages that include wide-striping and a custom ASIC for true mixed workload support.

    HP 3PAR Utility Storage combines highly virtualized, autonomically managed and dynamically

    tiered storage with advanced internal virtualization capabilities to increase administrative

    efficiency, system utilization, and storage performance. As a result, HP 3PAR Storage boosts

    VMware vSphere ROI by enabling you to optimize your data center infrastructure, simplify

    storage administration and maximize virtualization savings.

    http://www.hp.com/go/vmwarehttp://www.hp.com/go/vmwarehttp://www.hp.com/go/vmware
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    Solution Implementers Series

    9 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    Deploying the solution components

    Having introduced the key solution component, this implementers guide now describes how to

    configure 8Gb/s Fibre Channel connectivity. Guidelines are provided for the following areas:

    Pre-installation

    Configuring network connectivity

    Configuring storage

    Deploying ESXi 5.0

    Post-installation

    Pre-installation

    There are several steps to consider before applying power or installing an operating system onany system. First, you need to ensure rack space and appropriate power and cooling are

    available. Another key step is to ensure all hardware and software are at the latest firmware

    levels and download any necessary patches and drivers. The pre-installation section provides

    links to verify the latest firmware levels for both HP and VMware. The pre-installation process

    provides suggestions in pre-configuring the network for an ESX host, followed by suggestions

    for storage systems and storage area networking.

    As a best practice, HP recommends verifying with HP technical support that you are running the

    very latest HP firmware and drivers on components such as LAN on motherboard (LOM) and

    PCI adapters.

    Updating firmware

    You can review the latest HP and VMware recommended firmware levels at the following

    locations:

    HP: Visitwww.hp.com/go/vmwareand refer to the Certified ProLiantsand Certified HP

    Storage links under Tools/Resources.

    VMware: Refer to the VMware Compatibility Guides at

    http://www.vmware.com/resources/guides.html .

    Before deploying ESXi 5.0 on a ProLiant server, you should determine the latest versions of thefollowing firmware and, if necessary, update:

    ESXi host:

    oSystem BIOS

    oLOMs and PCI adapters

    Storage array and controllers

    SAN switches

    http://www.hp.com/go/vmwarehttp://www.hp.com/go/vmwarehttp://www.hp.com/go/vmwarehttp://www.vmware.com/resources/guides.htmlhttp://www.vmware.com/resources/guides.htmlhttp://www.vmware.com/resources/guides.htmlhttp://www.hp.com/go/vmware
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    Solution Implementers Series

    10 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    Note

    Always contact HP support to verify the latest firmwareupdates and drivers.

    As always plan your deployment or upgrade before installing software. Read all the

    documentation provided by VMware and HP before starting. Planning will speed up the process

    particularly if you intend to deploy multiple servers.

    With pre-installation activities complete, you can now configure your networking.

    Configuring network connectivity

    Before installing ESXi 5.0, you need to understand the network requirements for the particular

    ESXi host and the connectivity supported by the physical server. For example, while manyphysical servers feature LOM or integrated network interfaces, ports are typically 1Gb/s, though

    newer models may provide 10Gb/s Ethernet (10GbE) ports.

    The ProLiant DL 380 G7 used in the test environment was equipped with two HP NC382i

    Integrated Dual Port PCI Express Gigabit Server Adapters (that is, four 1Gb/s ports). Thus,

    Emulex was able to configure the ESXi host with four network interface cards (NICs), as shown

    in Table 3.

    Table 3. Four-NIC configuration for ESXi 5.0

    Physical NIC Virtual switch Port group(s)

    vmnic0 vSwitch0 Management port and vMotion

    vmnic1 vSwitch0 Management port and vMotion

    vmnic2 vSwitch1 VM network

    vmnic3 vSwitch1 VM network

    Combining management port traffic, which is relatively light, with vMotion traffic is acceptable in

    many four-NIC deployments. Since vMotion traffic is heavier, it is not a good practice to

    combine this with VM traffic; in practice, you should consider separating vMotion and VM

    network traffic on different subnets.

    Since management port and vMotion traffic is placed on the same virtual switch in the test

    environment, it is a good practice to use a virtual LAN (VLAN) to enhance security and isolate

    management port and vMotion traffic.

    After configuring network connectivity, you can now configure storage.

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    Solution Implementers Series

    11 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    Configuring storage

    This section provides information on the following topics:

    Using the new VMFS-5 filesystem to support additional storage functionality

    Support for RDM LUNs in ESXi 5.0

    Configuring Fibre Channel connectivity

    o Implementing fabric zoning

    o Configuring the storage array

    o Configuring BfS

    Using the VMFS-5 filesystem for additional functionality

    Introduced with ESXi 5.0, the VMFS-5 filesystem provides support for VMFS volumes up to64TB in a single extent. With VMFS-3, 32 extents would have been required to achieve 64TB.

    Note

    The volume creation wizard for VMFS-5 uses GUIDPartition Table (GPT) format rather than Master BootRecord (MBR), which allows you to create VMFSvolumes that are larger than 2TB.GUID refers to a globally-unique identifier.

    With the ability to create large VMFS volumes, you must now manage storage array queue

    depth as well as host queue depth. For example, the queue depth of the HP 82E 8Gb/s HBA is

    set by default to 30 and may be adjusted via Emulex OneCommand Manager, theOneCommand Manager plug-in for vCenter Server or vMA.

    Other benefits delivered by the VMFS-5 filesystem include:

    Support for up to 130,000 files rather than 30,000 as before

    Support for 64TB physical-mode Raw Device Mapping (RDM) LUNs

    Virtual mode allows you to create snapshots, which is beneficial when a file exceeds 2TB

    For space efficiency, there can now be up to 30,000 8KB sub-blocks

    There is small-file support for files of 1KB or less; in the past, such files would have occupied

    entire sub-blocks

    As you plan the deployment of shared storage, take into consideration the benefits of VMFS-5.

    For example, if you are migrating from ESXi 4.x to ESXi 5.0, you may also wish to migrate to

    VMFS-5 to take advantage of the new features and enhancements.

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    Solution Implementers Series

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    Support for RDM LUNs in ESXi 5.0

    While RDM LUNs are still supported in ESXi 5.0, Emulex suggests using them sparingly due to

    manageability issues.

    VMware testing (as shown in Figure 3) has demonstrated that RDMs deliver a negligible

    performance advantage.

    Figure 3. Comparing IOPS performance with different LUNs

    Configuring Fibre Channel connectivity

    The Emulex Fibre Channel driver is in-box, making it is easy to transition 8Gb/s Fibre Channel

    connectivity from an earlier platform. There is no need to install the driver during the deployment

    of ESXi 5.0.

    Thus, the configuration of 8Gb/s Fibre Channel connectivity via HP 82E 8Gb/s HBAs is a simple

    process in an ESXi 5.0 environment, with just the following stages:

    Implementing fabric zoning

    Configuring the storage array

    Configuring BfS

    Before you begin the configuration, it is a best practice to review the appropriate VMware

    Compatibility Guide to ensure firmware on the storage array is at the latest level, as shown in

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    Solution Implementers Series

    13 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    Figure 4.

    Figure 4. Showing firmware levels specified in the VMware Compatibility Guide for HP 3PAR Storage

    IMPORTANT

    Whenever there is a need to update code or firmware,Emulex recommends backing up your data and

    configuration.

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    Solution Implementers Series

    14 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    Implementing fabric zoning

    Zoning has become a standard component of VMware deployments; indeed, most if not all

    storage array vendors recommend zoning LUNs that are presented to ESXi hosts. Fabric zonescan enhance manageability while providing support for advanced features such as vMotion and

    Fault Tolerance that require multiple hosts to access the same LUN.

    Zones can also enhance security. For example, consider what might happen if you were to

    connect a new server to the same SAN switch as an existing ESXi host. Without zoning or some

    other security measure, the new server would be able to access the same storage as the

    existing host and could potentially overwrite the filesystem, obliterating VM data and files. Thus,

    since the test environment features two 8Gb/s HBA ports, there should ideally be two or more

    fabric switches, each configured with a zone that includes the particular HBA port.

    Figure 5 shows the zoning used in the test environment.

    Figure 5. Zoning in the test environment, with four paths to the LUN

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    Solution Implementers Series

    15 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    The test environment utilizes two Brocade 8Gb/s SAN switches and a total of four zones, as

    shown in Table 4. The zones were added to an alias zone configuration, which was then

    activated.

    Table 4. Zone configuration for HBA

    HBA Storagecontroller

    Alias Zone Zoneconfiguration

    Switch

    Port 0 Port A1 Zone 1 ZoneSet 1 ZoneConfig_1 1

    Port B2 Zone 2 ZoneSet 1 ZoneConfig_1 2

    Port 1 Port A2 Zone 3 ZoneSet 2 ZoneConfig_1 2

    Port B1 Zone 4 ZoneSet 2 ZoneConfig_1 1

    This zone configuration will give the ESXi host four paths to a single LUN. At this stage of thedeployment, no LUNs have been created; thus, LUNs cannot yet be bound to WWN ports on

    the HP 82E 8GB/s HBA.

    Setting the storage array

    HP 3PAR Utility Storage is very popular in VMware environments due to their extensive

    virtualization capabilities and ease of management. HP has documented deployment and tuning

    best practices for this simple-to-use yet robust and highly available array; for more information,

    refer to HP3PAR Utility Storage with VMware vSphere

    Emulex followed HPs best practices when configuring the HP 3PAR Storage system for the test

    environment. The process included the following stages:

    Update storage array controller firmware and management software as needed

    Configure Virtual Domains

    Configure Virtual LUNs

    Assign host mode

    Create hosts

    Present LUNs to the hosts

    http://h20195.www2.hp.com/V2/GetPDF.aspx/4AA3-4023ENW.pdfhttp://h20195.www2.hp.com/V2/GetPDF.aspx/4AA3-4023ENW.pdfhttp://h20195.www2.hp.com/V2/GetPDF.aspx/4AA3-4023ENW.pdfhttp://h20195.www2.hp.com/V2/GetPDF.aspx/4AA3-4023ENW.pdf
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    16 Deploying 8Gb/s Fibre Channel SANs with HP ProLiant DL380 G7 servers and HP storage

    Figure 6. Assigning the appropriate host mode as part of the storage array set-up

    If the correct zoning and host mode have been applied, LUNs will be visible to the assigned

    hosts. There should be four paths to each LUN for optimal performance and redundancy.

    Configuring BfS

    Enterprise server manufacturers such as HP continue to offer local disk storage; however, with

    the growth of virtualization and the increased use of BfS4, server configurations are evolving.

    For example, HP offers a diskless server, which would allow you to deploy ESXi via a USB flash

    drive.

    BfS capability is often configured in an ESXi environment, where its benefits include:

    Enhanced manageability

    Faster deployment

    Easier backup5

    Enhanced disaster recovery capabilities

    The process for configuring BfS via an HP 82E 8GB/s HBA is simple and can be achieved in the

    following stages:

    Load the latest boot code to the HP 82E 8GB/s HBA

    Configure the ESXi host

    Specify the desired boot volume

    Place the HP 82E 8GB/s HBA first in the boot order

    This vendor-specific process is described in more detail inAppendix CConfiguring BfS.

    Note

    If you plan to install ESXi 5.0 with local storage, Emulexrecommends disconnecting the Fibre Channel cablesfrom the SAN to prevent the OS from being accidentallyinstalled on the SAN.

    Once storage has been configuredand you have verified that the hardware has been certifiedby VMware6you can deploy ESXi 5.0.

    4Whereby the storage array owns the operating system LUN

    5Since the array owns the LUN, array-based copies can be made without server intervention.

    6Refer to the VMware Compatibility Guides athttp://www.vmware.com/resources/guides.html.

    http://www.vmware.com/resources/guides.htmlhttp://www.vmware.com/resources/guides.htmlhttp://www.vmware.com/resources/guides.htmlhttp://www.vmware.com/resources/guides.html
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    Deploying ESXi 5.0

    This section on deployment will cover the options for installing ESXi 5.0 to an HP ProLiant

    server. Since ESXi 5.0 has been designed for flexibility, you have a range of new deployment

    options, including the following:

    Interactive installation: Suggested for fewer than five hosts

    Scripted installation: Unattended deployment for multiple hosts

    vSphere Auto Deploy installation: Suggested for a large number of ESXi hosts with vCenter

    Server

    Custom installation: vSphere 5 Image Builder command-line interfaces (CLIs) provide custom

    updates, patches and drivers

    Emulex elected to use the interactive method, downloading an ESXi 5.0 image from theVMware website to local storage. The deployment process is fairly straightforward and, in many

    ways, identical to the deployment of earlier versions of ESXi. Since this process is detailed in

    VMwares technical documentation, it is not described in this guide.

    The main points to remember before beginning the deployment are as follows:

    Check all firmware on host and adapters and make updates as needed

    Check HBA drivers

    Plan the networking configuration

    Plan the Fibre Channel storage configuration and LUNs

    Decide on local or BfS storage

    Select the most suitable deployment option for your environment

    It should not take more than a few minutes to install ESXi 5.0.

    After you have configured the management network and, if appropriate, enabled lockdown

    mode, you can proceed with the post-installation process, which includes configuring the ESXi

    5.0 host for 8 Gb/s Fibre Channel SAN connectivity.

    Post-installation

    After ESXi 5.0 has been deployed on the ESXi 5.0 host, you should review the installation and

    perform any necessary updates. Consider the following examples:

    A vendor may have recently released new firmware or drivers.

    Since it is not configured automaticallyunless you are using a scripted installationyou

    should configure NIC teaming.

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    Planning the network environment for the host

    You should plan the network environment for the host in conjunction with your network

    administrator.

    Figure 7 shows the four-NIC configuration planned for the Emulex test environment, with ports

    for the VMkernel, management network and VM network.

    Figure 7. Four-NIC network configuration for the ESXi host

    This configuration is commonly used with 8Gb/s Fibre Channel SANs. The following connectivity

    is provided:

    vmnic0vmnic1: Redundant network adapters for the management port and vMotion

    vmnic2vmnic 3: VM network traffic

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    Configuring the HP 82E 8Gb/s HBA

    If you are migrating to ESXi 5.0 or are installing ESXi 5.0 for the first time and have installed the

    HP 82E 8Gb/s HBA in an appropriate, full-length PCI slot, with the correct small form-factorpluggable (SFP) transceivers, configuration is simple.

    Since ESXi 5.0 already provides an in-box VMware driver for Fibre Channel, there is no need to

    install a driver. After the installation of ESXi 5.0, review the Configurationtab of vCenter

    Server; you will see your HBAs listed under Storage Adapters, as shown in Figure 8.

    Figure 8. In this example, ESXi has automatically recognized an 8Gb/s Fibre Channel HBA

    If necessary, you can use vMA to remotely send commands to the ESXi host to verify that the

    driver has been installed.

    Using NPIV to identify HBA ports

    N-Port ID Virtualization (NPIV)7is supported in ESXi 5.0. This facility allows a single Fibre

    Channel HBA port to register with a fabric using multiple worldwide port names (WWNs), each

    having a unique entity. To learn more, refer to the VMware technical note, Configuring and

    Trouble-shooting N-Port ID Virtualization, which provides specific information on Emulex

    adapters. The technical note is available at

    http://www.vmware.com/files/pdf/techpaper/vsp_4_vsp4_41_npivconfig.pdf.

    7Maintained by American National Standards Institute (ANSI), Technical Committee T11

    http://www.vmware.com/files/pdf/techpaper/vsp_4_vsp4_41_npivconfig.pdfhttp://www.vmware.com/files/pdf/techpaper/vsp_4_vsp4_41_npivconfig.pdfhttp://www.vmware.com/files/pdf/techpaper/vsp_4_vsp4_41_npivconfig.pdf
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    Configuring the storage array

    In addition to the VMFS-5 filesystem, new storage-related features introduced in ESXi 5.0

    include:

    vSphere Storage APIs for Array Integration (VAAI)

    vSphere Storage APIs for Storage Awareness (VASA)

    Profile-driven storage

    Storage Distributed Resource Scheduler (SDRS)

    Storage vMotion

    Software Fibre Channel over Ethernet (FCoE)

    vSphere Storage Appliance (VSA)

    While these valuable new features are beyond the scope of this guide, be aware that you may

    be facing storage-related issues after you install ESXi 5.0. For example, after mounting a LUN

    and formatting it with VMFS-5, you may need to determine if additional, array-specific agents

    are required to support features such as VAAI or VASA.

    Note

    For more information on ESXi 5.0 features that aresupported by a particular HP array, you are advised toconsult HP technical support.

    In the test environment, Emulex mounted a LUN and formatted it with VMFS-5. The next

    concern was multipathing.

    Configuring multipathing

    By default with ESXi 5.0, HP 3PAR Storage uses Fixedpath policy for active/active storage

    arrays. This policy maximizes bandwidth utilization by designating the preferred path to each

    LUN through the appropriate storage controller.

    According to HP documentation, HP 3PAR Storage also supports Round Robinpath policy,

    which can improve storage performance by load-balancing I/O requests between active paths,

    sending a fixed number of requests through each in turn.

    Note

    The fixed number of I/Os is user-configurable. You areadvised to consult HP technical support for theirrecommendations.

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    You might consider enabling the arrays Asymmetric Logical Unit Access(ALUA) feature,

    which can improve storage performance in some environments.

    Using the OneCommand Manager plug-in for VMware

    vCenter

    Emulex OneCommand Manager for VMware vCenter integrates the in-depth management of

    HP 82E 8Gb Dual Port Fibre Channel HBAs into the vCenter management console.

    Note

    In order for the OneCommand Manager plug-in forVMware vCenter Server to function, you must also installthe appropriate Emulex Common Information Model

    (CIM) provider on your ESXi 5.0 hosts.For more information on installing the CIM provider andplug-in, refer toAppendix AInstalling the CIM provider

    and vCenter plug-in.

    Using vCenter to update Emulex adapters on multiple ESXi 5.0 hosts can be a daunting

    prospect for the VMware administrator. To ease this burden, Emulex has developed a plug-in

    for vCenterEmulex OneCommand Manager for VMware vCenter plug-in v1.1that provides

    single-pane-of-glass manageability from within vCenter.

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    Figure 9 presents a view of an HP adapter provided by the plug-in.

    Figure 9. In this example, the OneCommand Manager plug-in is providing information about an HP 82E 8Gb/s HBA.

    The OneCommand Manager plug-in can manage a mix of Emulex-branded and Emulex OEM

    adapters (such as the HP 82E 8Gb/s HBA).

    While OneCommand Manager delivers a range of capabilities, this guide focuses on the plug-

    ins ability to perform firmware updates on a per-port basis while adapters are online, without

    needing to reboot the host. In addition, new logging capabilities added in version 1.1 are

    outlined.

    Note

    To activate the new firmware, you must scheduledowntime in order to re-boot the host.

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    Using the plug-in to perform firmware updates

    OneCommand Manager allows you to update the firmware on the HP 82E 8Gb/s HBA without

    you having to migrate VMs from the host and reboot the server. You can continue working asnormal while OneCommand Manager updates the firmware on the host. At some point in the

    future the host will need to be rebooted so as to activate the firmware; however, you will able to

    schedule this reboot with the system and vCenter Server administrators.

    Some environments include not only Fibre Channel adapters but also adapters created by

    Emulex to support other connectivity. In this case, you could, for example, select the desired

    protocol to only update UCNAs on each host.

    Figure 10 shows firmware being updated on a particular host.

    Figure 10. Firmware being updated on localhost

    Best practice

    When using OneCommand Manager, Emulex suggests updating hosts in groups of five.

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    Using the plug-in to log events

    OneCommand Manager also provides the ability to create log files for activities associated with

    the HP 82E 8Gb/s HBA. After this feature is enabled, events are automatically logged; theassociated files can be viewed via vCenters Task & Eventstab.

    Figure 11 shows event logging being enabled.

    Figure 11. Utilizing User Preferencesto enable event logging for the HP 82E 8Gb/s HBA

    One application for event logging is to troubleshoot the status of a particular link a capability

    that was missing in earlier versions of OneCommand Manager; however, version 1.1 of the

    plug-in introduced tighter integration between the plug-in and vCenter.

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    In the example shown in Figure 12, the Task & Eventstab lists event messages indicating that

    both HP 82E 8Gb/s HBA links (that is, both ports) are up. The WWNs of these ports are also

    provided.

    Figure 12. vCenter Server showing the results of enabling event logging for the HP 82E 8Gb/s HBA

    Performance comparison

    As VM density increases, the burden placed on storage by applications running on these VMs

    will also increase. As a result, Emulex has carried out a series of performance tests to

    demonstrate the ability of 8Gb/s Fibre Channel storage to sustain a significantly higher workload

    than 4Gb/s Fibre Channel without increasing CPU utilization on the host.

    Test environment

    The test environment used by Emulex included the following components:

    Tested server: ProLiant DL380 G7, configured as follows:

    oHBA: Either 8Gb/s (HP 82E 8Gb/s HBA) or 4Gb/s (HP PCIe 4Gb Host Bus Adapter8)

    oRAM: 16 GB

    SAN

    oHP 3PAR Utility Storage

    oMemory Systems RamSan solid-state drives (SSDs), models 320 and 400

    Each VM was configured with two 2GB RDM volumes on the SSDs; the HP 3PAR Storage was

    used to host datastores for the VMs.

    8Emulex LPe 11002

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    Figure 13 shows how storage was configured in the test environment.

    Figure 13. Showing two RDM volumes configured on the RamSan SSDs for each of up to 10 VMs

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    Test methodology

    The Iometer tool was used to stress 4KB/s or 8KB/s Fibre Channel storage with the workloads

    generated by one or more VMs. Two scenarios were used: application testing and a backupreader test.

    Application testing

    The following block sizes were used in the application testing:

    512B: To create a baseline for the testing

    4KBand 8KB: To simulate typical workloads such as a mail server or online transactional

    processing (OLTP) database

    64KB: To simulate a richer multimedia application such as video streaming

    Note

    This testing was designed to compare the capabilities of4KB/s and 8KB/s Fibre Channel storage in a specificenvironment. Results in your environment may differ.

    Emulex initiated the testing with 512B blocks to establish a baseline, determining the number of

    I/Os needed to saturate the Fibre Channel connection between HBA and RDM volume. For

    subsequent block sizes, Emulex used Iometer to reduce the number of I/Os until, in most cases,

    the baseline was reached.

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    Figure 14 presents IOPS capacities for workloads generated by one, two or four VMs.

    Figure 14. Comparing the IOPS delivered by 4Gb/s and 8Gb/s Fibre Channel configurations

    Significantly more IOPS capacity was available with 8Gb/s Fibre Channel. For example, with the

    commonly-used 8KB block size and a single VM, IOPS capacity was 100,000 with 8Gb/s Fibre

    Channel, compared to 50,000 with 4Gb/s Fibre Channel.

    1VM4

    GB/s

    1VM4

    GB/

    s

    1VM4

    GB/s

    1VM8

    Gb/s

    1VM8

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    1VM8

    Gb/s

    2VM

    s4Gb/s

    2VMs4Gb/

    s

    2VMs4Gb/s

    2VMs8Gb/s

    2VMs8Gb/s

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    4VM

    s4Gb/s

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    s

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    0.00

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    512B 4K 8K

    1 VM 4GB/s2VMs 4Gb/s

    4 VMs 4Gb/s

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    Emulex also considered I/Os per percent of CPU utilization which is IOMeters CPU

    effectiveness result. This chart illustrates how efficient the I/O subsystem is in CPU utilization.

    For example, the HP 82E 8Gb/s Fibre Channel adapter using an 8KB block size test shows

    128% improvement over HPs 4Gb/s Fibre Channel adapter.

    Figure 15. The chart demonstrates CPU effectiveness with 8Gb/s Fibre Channel vs. 4Gb/s Fibre Channel adapters.

    Video streaming and backup reader testing

    Emulex also compared the impact of a video streaming and backup on 4Gb/s and 8Gb/s Fibre

    Channel, again using Iometer to generate the workload. The following configurations were

    tested:

    Video streaming:

    Four VMs with 4Gb/s Fibre Channel

    0.00

    1,000.00

    2,000.00

    3,000.00

    4,000.00

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    1 VM 4GB/s

    1 VM 8Gb/s

    2VMs 4Gb/s

    2 VMs 8Gb/s

    4 VMs 4Gb/s

    4VMs 8Gb/s

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    Four VMs with 8Gb/s Fibre Channel

    Back up reader:

    Four VMs with 4Gb/s Fibre Channel

    Eight VMs with 8Gb/s Fibre Channel

    Both 64KB for video and 256KB blocks for backup were read from the SSDs.

    As shown in Figure 16, throughput capacity was significantly higher with 8Gb/s Fibre Channel.

    Figure 16. When comparing 8Gb/s Fibre Channel to 4Gb/s Fibre Channel, the 64KB throughput improved 126%

    and the 256KB throughput improved 205%.

    The HP 82E 8Gb/s HBA supports message signaled interrupts (MSI) and extensions (MSI-X),

    which are designed to improve host processor utilization and interrupt-handling efficiency. Thus,

    this HBA can reduce overhead in an MSI-enabled system such as the ProLiant DL380 G7

    server. The latency recorded for average response time was 5 milliseconds (ms) when we

    tested both 64KB and 256KB block size for 8Gb/s Fibre Channel adapter compared to 20 ms on

    the 4Gb/s Fibre Channel adapter for the same block sizes. For more information, refer to

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/PCI/MSI-

    HOWTO.txt;hb=HEAD.

    0

    1000

    2000

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    64K 64K 256K 256K

    4Gb 8Gb 4Gb 8Gb

    Throughput

    4Gb 64K

    8Gb 64K

    4Gb 256K

    8Gb 256K

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/PCI/MSI-HOWTO.txt;hb=HEADhttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/PCI/MSI-HOWTO.txt;hb=HEADhttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/PCI/MSI-HOWTO.txt;hb=HEADhttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/PCI/MSI-HOWTO.txt;hb=HEADhttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/PCI/MSI-HOWTO.txt;hb=HEAD
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    As a result, the HP 82E 8Gb/s HBA helps to reduce backup times, as well as increasing

    throughput and reducing CPU utilization (as shown in Figure 17).

    Figure 17. With MSI-X and 8Gb/s Fibre Channel, CPU utilization on the host was approximately 30% lower, even

    though twice as many VMs were being supported

    0

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    Summary

    ESXi 5.0 clearly adds a broad range of features to the hypervisor; however, taking full

    advantage of these features requires an 8Gb/s SAN in your virtualization environment.

    Testing carried out be Emulex indicated that an 8Gb/s Fibre Channel implementation based on

    the HP 82E 8Gb/s HBA was able to support more VMs than a 4Gb/s implementation, while also

    reducing CPU utilization on the ESXi 5.0 host.

    Planning the deployment of an ESXi 5.0 hostor the migration of an existing host to ESXi 5.0

    is a simple process. Using 8Gb/s storage, the resulting infrastructure will be able to meet the

    demands of the larger VMs you can now create and will allow you to introduce additional

    business-critical applications.

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    Appendix AInstalling the CIM provider and vCenter plug-in

    In order for the OneCommand Manager plug-in for VMware vCenter to function, you must also

    install the appropriate Emulex Common Information Model (CIM) provider on your ESXi 5.0

    hosts.

    Note

    The VMware Knowledge Base provides an Emulex CIMprovider overview for ESXi 5.0. Visithttp://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2001548.

    The process is as follows:

    Note

    Ideally, the CIM provider should be installed beforedeploying any VMs on the particular host. The plug-incan be installed before or after deploying VMs.

    1. Download the CIM provider package for ESXi 5.0 to any system that can communicate with

    the particular host via Secure Shell (SSH). The package is available from the Emulex

    Downloads site athttp://www.emulex.com/downloads/emulex/vmware/vsphere-

    50/management.html.

    2. Install the CIM provider on the ESXi 5.0 host (seeInstalling the CIM provider).

    3. Reboot the host.4. Install the vCenter plug-in on a remote system (seeInstalling the vCenter plug-in).

    5. Register the host.

    6. Use vSphere Client to login to vCenter.

    Installing the CIM provider

    1. Open the secure shell (SSH) port on the ESXi 5.0 host.

    2. Use an FTP client (such as WinSCP) to move the CIM package to directory

    /var/log/vmware/on the ESXi 5.0 host.

    3. Use an SSH client (such as PuTTY) to login to the vMA.4. Login to the ESXi host.

    http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2001548http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2001548http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2001548http://www.emulex.com/downloads/emulex/vmware/vsphere-50/management.htmlhttp://www.emulex.com/downloads/emulex/vmware/vsphere-50/management.htmlhttp://www.emulex.com/downloads/emulex/vmware/vsphere-50/management.htmlhttp://www.emulex.com/downloads/emulex/vmware/vsphere-50/management.htmlhttp://www.emulex.com/downloads/emulex/vmware/vsphere-50/management.htmlhttp://www.emulex.com/downloads/emulex/vmware/vsphere-50/management.htmlhttp://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2001548http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2001548
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    5. As shown in Figure A-1, install the CIM provider by typing the following:

    vi-admin@localhost-> esxcli -s ipaddress software vib install -d

    /var/log/vmware/name-of-file.zip

    Figure A-1. Installing the CIM provider on the ESXi 5.0 host

    6. After the CIM provider (VIB files) has been installed, reboot the host.

    7. As shown in Figure A-2, verify that the CIM provider has been installed by typing the

    following:

    vi-admin@localhost-> esxcli -s ipaddress software vib list

    Figure A-2. Verifying that the CIM provider has been installed

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    Installing the vCenter plug-in

    After successfully installing the CIM provider on the desired ESXi 5.0 hosts, you should now

    install the vCenter plug-in on a remote system. Next, use vSphere Client to login to vCenter toverify that the Emulex OneCommandtab has been added, as shown in Figure A-3.

    Figure A-3. The Emulex OneCommandtab has been added to vCenter

    Note

    There may be additional tabs if you have installed CIMproviders for other management applications, such asstorage.

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    Appendix BSample configurations for ESXi 5.0 host and

    VMs

    This appendix presents the configurations used by Emulex in conjunction to compare the

    performance of 4Gb/s and 8Gb/s Fibre Channel adapters.

    Note

    Emulex used the Iometer I/O subsystem measurementand characterization tool as part of the performancetesting.

    Configurations are provided for the following:

    ESXi 5.0 hostsee Table B-1

    Microsoft Windows Server 2008 R2 VMs (VM1VM10)see Table B-2

    Table B-1. ESXi 5.0 host configuration

    Component Description

    Hypervisor ESXi 5.0 Build 456551

    Host server HP ProLiant DL380 G7 server

    HBA HP 82E 8Gb/s HBA

    Local datastore Storage 1

    Storage array HP 3PAR Utility Storage

    SAN fabric switch Brocade 8Gb/s Fibre Channel switch

    Table B-2. Typical VM configuration

    Hardware Summary

    Memory 2048 MB

    CPUs 2

    Video card Video card

    SCSI controller 0 LSI Logic SAS

    Hard disk 1, 2 Mapped Raw LUN

    CD/DVD drive 1 ide1:0

    Network adapter 1 VM Network 2

    Floppy drive 1 Floppy0

    SCSI controller 1, 2 Paravirtual

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    Appendix CConfiguring BfS

    This appendix outlines the process for configuring BfS:

    1. Collaborate with your SAN administrator on provisioning a boot LUN and presenting it to the

    ESXi 5.0 host.

    2. Download the Universal Boot Code firmware for your adapter, available at

    http://h20000.www2.hp.com/bizsupport/TechSupport/ProductList.jsp?lang=en&cc=us&prodT

    ypeId=12169&prodSeriesId=3662826&taskId=135.For example, select HP 82E 8Gb Dual

    Port PCIe Fibre Channel Host Bus AdapterCross operating system (BIOS, Firmware,

    Diagnostics, etc.).

    3. Power on the server and, at the prompt, select Ctrl-E.

    4. Install the boot code firmware.

    5. Reboot the host and, at the prompt, select Ctrl-E.

    6. Specify the adapter port from which the system will be booting.

    7. Scan the array and select the boot LUN.

    8. Save the settings and reboot the host.

    9. Insert the ESXi 5.0 CD into the CD drive.

    10. Initiate the install.

    11. Select the appropriate disk on the SAN when asked where to install the media.

    http://h20000.www2.hp.com/bizsupport/TechSupport/ProductList.jsp?lang=en&cc=us&prodTypeId=12169&prodSeriesId=3662826&taskId=135http://h20000.www2.hp.com/bizsupport/TechSupport/ProductList.jsp?lang=en&cc=us&prodTypeId=12169&prodSeriesId=3662826&taskId=135http://h20000.www2.hp.com/bizsupport/TechSupport/ProductList.jsp?lang=en&cc=us&prodTypeId=12169&prodSeriesId=3662826&taskId=135http://h20000.www2.hp.com/bizsupport/TechSupport/ProductList.jsp?lang=en&cc=us&prodTypeId=12169&prodSeriesId=3662826&taskId=135http://h20000.www2.hp.com/bizsupport/TechSupport/ProductList.jsp?lang=en&cc=us&prodTypeId=12169&prodSeriesId=3662826&taskId=135
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    For more information

    Migrating to VMware ESXi http://www.vmware.com/files/pdf/VMware-

    ESXi-41-Migration-Guide-TWP.pdf

    Performance best practices for VMwarevSphere 5.0

    http://www.vmware.com/pdf/Perf_Best_Practices_vSphere5.0.pdf

    HP virtualization with VMware, including asection on ProLiant servers

    www.hp.com/go/vmware

    HP storage solutions for VMware http://h71028.www7.hp.com/enterprise/w1/en/solutions/storage-vmware.html

    HP offline bundle for ESXi 5.0

    HP 3PAR Utility Storage with VMwarevSphere

    http://h20000.www2.hp.com/bizsupport/TechS

    upport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=15351&prodSeriesId=4091412&swItem=MTX-dd492ace50c6427389678df8be&prodNameId=4091432&swEnvOID=4115&swLang=8&taskId=135&mode=4&idx=1

    http://www.vmware.com/files/pdf/techpaper/vmw-vsphere-3par-utility-storage.pdf

    To help us improve our documents, please provide feedback [email protected].

    Copyright 2012 Emulex Corporation. The information contained herein is subject to change without notice. The only warranties forEmulex products and services are set forth in the express warranty statements accompanying such products and services. Emulexshall not be liable for technical or editorial errors or omissions contained herein.

    LightPulse and OneCommand are registered trademarks of Emulex Corporation. HP is a registered trademark in the U.S. and othercountries.

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    12-0667, February 2012

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