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Desktop Virtualization - VDI

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    VDIBestPracticeswithCitrixXenDesktop

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    Mission Statement:

    NoMoreITInfrastructureHeadachesBecauseweprovidethe:

    People

    Process

    Technology

    ToHelpourclients

    PLAN

    BUILD

    MANAGE

    TheITInfrastructure

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    We serve our customer with 7 Internal divisions

    CloudServices

    ManagedServices

    ITStaffing

    ProfessionalServices

    Products

    Application

    Services Training

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    Why Desktop Virtualization

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    Plan Phase Best Practices

    Objectives of VDI solution

    Assess the current environment

    POC

    Design

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    Plan Phase Best Practices

    Server Hardware

    Hypervisor

    Storage

    Network

    Internet

    Applications

    DatacenterPicturehere

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    Build Phase Best Practices

    Verify PowerSavings

    Options are

    disabled

    on hosts

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    Build Host Best Practices

    EnableHyper-Threading

    on the hosts

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    Build Storage Best Practices

    Verify that the LUN size created for

    the VDI environment is in

    accordance with the vendor specific

    best practices for desktop

    virtualization

    A storage appliance must be setupin a redundant manner.

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    Build Networking

    Virtual Desktop VLAN A separate Network VLAN for the virtual desktops and XenApp serverswill be created.

    Create a DHCP scope Create a DHCP scope for the XenApp and VDI subnetsA redundant DHCP scope should be available for the subnet.

    Verify DNS Redundancy XenDesktop and XenApp environments require DNS for inter-component communication. Therefore, it is vital to configure a minimum

    of two DNS servers for each zone on every server and virtual desktopfor reasons of redundancy.

    Verify DNS DynamicUpdates are enabled

    XenDesktop requires a fully functioning DNS solution for the

    XenDesktop Controllers as well as the Virtual Desktops. As Virtual

    Desktops typically obtain IP addresses by means of dynamic DHCP the

    ability to dynamic update DNS A-Records is required.

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    Build Security Best Practices

    Keep computers up to date with security patches

    Protect all computers with antivirus software

    Reposition an existing perimeter

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    Build

    BestPractices:Citrix http://support.citrix.com/article/CTX1327

    Antivirus http://www.symantec.com/business/support/index?page=content&id=TECH91070

    VMware http://www.vmware.com/files/pdf/solutions/vmware-citrix-xenapp-best-practices-EN.pdf

    Storage http://www.netapp.com/us/solutions/virtualization/desktop/desktop-citrix.aspx

    Group Policies http://support.citrix.com/proddocs/topic/xendesktop-rho/cds-policies-wrapper-rho.html

    Windows OS http://www.citrix.com/content/dam/citrix/en_us/documents/partner-

    documents/Sizing_for_Citrix_XenDesktop_final.pdf

    Network http://blogs.citrix.com/2013/05/03/citrix-xendesktop-best-practices-with-cisco-ucs-recorded-

    webinar/

    Database Server http://support.citrix.com/proddocs/topic/xendesktop-bdx/cds-database-reqs-bdx.html

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    Recent Challenges

    Healthcare XenServer Boot to USB The blade servers selected did not support USBboot We had to install hard drives

    Financial AppData redirection speeds up logons, data sharing between sessions.App that used Excel was slow. Turned off AppData redirection

    Retail Stream all apps using personal vDisk. All 50 plus applications werestreamed. The disk size for the write cache was too small. We had to

    double the size of the write cache

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    Manage

    Manage Best Practices

    The Manage phase is the ongoing operations and maintenance of the

    deployed technology.

    System administrators should be trained to perform the required tasksfor daily operation and administration.

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    Manage

    Farm or LoadManaged Groups

    #Servers #Users Help Desk Admins Architects

    1

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    Manage

    SkillSetofCCATier-1 support personnel should be provided with basic training on Citrix XenApp,

    Citrix XenDesktop and supporting technologies.

    This can include internal training from subject matter experts or formal training. The training provided

    should focus on the following topics:

    High-Level overview of the XenApp and XenDesktop implementation Using Citrix Desktop Director to manage user sessions

    Troubleshooting Citrix XenApp and XenDesktop sessions Managing AD group policies user profiles

    Troubleshooting methodology

    In addition, regular training should be provided to the Tier-1 team members on the latest

    troubleshooting recommendations from the Tier-2 and Tier-3 teams as well as details on any relevantchanges to the environment. This will help ensure a base knowledge level amongst the team andconsistent customer service.

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    Manage

    SkillSetofCCIAA qualified Tier-4 resource should have a minimum of five to six years of experience

    implementing, supporting, and serving in a technology architect role for a XenApp and/or

    XenDesktop environment as well as additional administrative experience with integrated

    technologies such as application and profile management solutions.

    The ideal candidate will have served in such a capacity at two or more environments for purposes of

    product exposure and in at least one environment of over 1,200 concurrent users.

    The Tier-4 resource should have enterprise experience with industry recognized certifications. A Citrix

    Certified Integration Architect (CCIA) certification or comparable training and experience should be a

    prerequisite of the role.

    Training or practical knowledge on XenCenter, AD Group Policies and the utilized hypervisor should be

    considered essential.

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    Manage

    GTC Managed Services Offering

    $350 per server $125 per application $45 per user

    GTC uses its unique knowledge and experience in

    Citrix to provide a fixed-cost, remotely deliveredmanaged service designed to dramatically reduce downtime.

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    Manage

    We have a long history of success with Citrix projects

    We can help with Plan Build Manage

    GTC Cloud is built on best practices, we can share with you how we

    are building the GTC Cloud

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    GTC Cloud

    OffsiteData

    backupand

    recovery

    ExtendCorporate

    ITtotheGTC

    Cloud

    CompleteHosting

    intheGTCCloud

    www.GTCcloud.com

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    Questions


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