• 09 Building Webster’s Lab – Install Citrix XenServer 8.0

    September 19, 2019

    Blog, XenServer

    Installing Citrix XenServer 8.0 is easy as there are not many options. It is almost a “Next, Next, Install, Finish, Reboot” process. The first thing is to download the latest XenServer 8.0 ISO from Citrix. After I downloaded the XenServer ISO, I used Rufus to create a bootable 32GB thumb drive from my laptop, as shown in Figure 1.

    Note 1: I am using a USB drive for this install, but you can also use TFTP and NFS, FTP, or HTTP along with installing from a CD/DVD drive.

    Note 2: I cover XenCenter in the next article, but if you want to go ahead and download XenCenter now, you can.

    Note 3: TinkerTry provides a 32GB thumb drive with each of their servers.

    Figure 1
    Figure 1

    I used the Intelligent Platform Management Interface (IPMI) built into the TinkerTry server to do the install. Before IPMI is usable, configure IPMI in the server’s BIOS. For this install, I am using the new HTML5 client.

    To configure IPMI in the BIOS of a TinkerTry Server, power on the server and press Delete on the appropriate screen, as shown in Figure 2.

    Figure 2
    Figure 2

    Using the arrow keys, navigate to IPMI, press the Down Arrow to select IPMI Extended Instruction, as shown in Figure 3, and press Enter.

    Note: Initially this setting is Disabled, but I can’t take a screenshot while it is disabled.

    Figure 3
    Figure 3

    Select Enabled and press Enter, as shown in Figure 4.

    Figure 4
    Figure 4

    Press Up Arrow to select BMC Network Configuration and press Enter, as shown in Figure 5.

    Figure 5
    Figure 5

    Update IPMI LAN Configuration is selected. Press Enter, down arrow to select Yes and press Enter, as shown in Figure 6.

    Figure 6
    Figure 6

    If you want to continue using DHCP, press F4 to Save & Exit, as shown in Figure 7.

    Figure 7
    Figure 7

    Select Yes to the Save & Exit Setup dialog, as shown in Figure 8.

    Figure 8
    Figure 8

    If, like me, you prefer to use a static IP address, press Enter, use the arrows keys to select Static and press Enter, as shown in Figure 9.

    Figure 9
    Figure 9

    Use the arrow keys to navigate to and configure the Station IP Address, Subnet Mask, and Gateway IP Address, then press F4 to Save & Exit as shown in Figure 10.

    Figure 10
    Figure 10

    Select Yes to the Save & Exit Setup dialog, as shown in Figure11.

    Figure 11
    Figure 11

    Now that you have configured IPMI, IPMI is used to do the install.

    As the server restarts, press F11 on the appropriate screen, as shown in Figure 12, to start the Boot Menu.

    Figure 12
    Figure 12

    The Rufus utility used to create the bootable thumb drive for XenServer 8.0, created a drive usable with either a legacy BIOS or UEFI.

    Note: See this article for an explanation of UEFI. What Is UEFI, and How Is It Different from BIOS?

    As part of the “trials-and-errors” mentioned in the Introduction article, I found to get XenServer to boot from the NVMe disk; the system required the boot configuration set to UEFI, not Legacy or Dual.

    Note: If your host does not support UEFI, XenServer still supports legacy BIOS.

    Select UEFI: SanDisk, as shown in Figure 13. Installing XenServer using the EUFI option gives a better visual experience than install using the legacy BIOS option.

    Note: SanDisk is the brand of thumb drive TinkerTry provided with their server.

    Figure 13
    Figure 13

    After selecting to boot from the UEFI: SanDisk thumb drive, the XenServer installer begins. After a few minutes, the first installation popup appears. There is an initial Install screen that appears, but it goes by so fast I could not get a screenshot of it.

    Note: Using the UEFI installer, the screen resolution is so detailed and large, it made sense only to include the input area for the following Figures. Otherwise, you would need a large magnifying glass to read the text.

    Use the arrow keys to select the correct keymap and press Enter as shown in Figure 14.

    Figure 14
    Figure 14

    Press Enter on the Welcome to XenServer Setup screen as shown in Figure 15.

    Figure 15
    Figure 15

    Press Tab until you get to the Accept EULA button and press Enter as shown in Figure 16.

    Figure 16
    Figure 16

    Select the drive on which to install XenServer 7.6 on by using the Up and Down arrow keys and press Enter, as illustrated in Figure 17. My hosts have two drives. I will install XenServer on the 500GB NVMe drive, and the 1TB drive is for a local Storage Repository (SR).

    Note: 500GB and 1TB are the advertised sizes. Usable capacity, as shown in Figure 17, is different.

    Note: I did have to change my server to boot using UEFI only to get XenServer to boot from the NVMe disk.

    Figure 17
    Figure 17

    Select which disk to use as an SR, press Tab, then press Spacebar if you wish to enable thin provisioning, and then press Enter as shown in Figure 18.

    Note: If you plan to use IntelliCache, you must enable thin provisioning.

    What is IntelliCache?

    IntelliCache is a XenServer feature that can be used in a XenDesktop deployment to cache temporary and non-persistent operating-system data on the local XenServer host. IntelliCache is available for Machine Creation Services (MCS)-based desktop workloads that use NFS storage.

    Selecting thin provisioning creates an SR with an EXT3 file system versus LVM (Logical Volume Management).

    Note: XenServer treats all disks selected in this screen as a single SR. I am not selecting my 1TB SSD as I want that as a separate SR.

    Figure 18
    Figure 18

    This installation source is the SanDisk thumb drive, so press Enter as shown in Figure 19.

    Figure 19
    Figure 19

    Decide whether to verify the installation media and press Enter as shown in Figure 20.

    Note: Citrix always wants you to verify the installation source. 99 times out of 100, neither Tobias nor I verify the installation source.

    Figure 20
    Figure 20

    Type in your Root Password, Confirm the password and press Enter, as shown in Figure 21.

    Note: If you plan to build, like me, multiple XenServer hosts to join into a Pool, all the hosts must have the same password for the root user account. Fellow CTP and XenServer expert Tobias Kreidl recommends that after the install is complete, going to the shell to verify the root password works.

    Figure 21
    Figure 21

    Use the arrow keys to select which network interface to use for managing the XenServer host and press Enter as illustrated in Figure 22.

    Figure 22
    Figure 22

    Decide whether to use DHCP or a static IP address to configure networking for the management network interface and press Enter as shown in Figure 23.

    Note: Starting at some point in 7.X, a VLAN for the primary network interface is supported.

    Figure 23

    Figure 23Enter a Hostname, and DNS Server information and press Enter as shown in Figure 24.

    For DNS, note also that an IP address pointing to a virtual interface that contains multiple IP addresses is possible.

    Figure 24
    Figure 24

    Use the arrow keys to select your geographical area for your Time Zone and press Enter as shown in Figure 25.

    Figure 25
    Figure 25

    Use the arrow keys to select a city or area to refine further your Time Zone and press Enter as shown in Figure 26.

    Figure 26
    Figure 26

    Press Enter to use NTP for System Time as illustrated in Figure 27.

    Figure 27
    Figure 27

    I prefer to use servers from pool.ntp.org for NTP configuration. Enter the server or servers or device to use for the NTP Configuration, and press Enter three times as shown in Figure 28.

    Note: Tobias disagrees with me on using the top-level NTP pool servers.

    “As to NTP configuration choices, we could discuss this ’til the cows come home but I’m a strong proponent for local NTP servers as well as using NTP peers; see https://discussions.citrix.com/topic/326639-tips-for-setting-up-ntp-on-xenserver-hosts/

    I have intended to re-write this as a single, updated blog article someday and never got around to it.”

    Figure 28
    Figure 28

    Press Tab to select Install XenServer and press Enter as illustrated in Figure 29.

    Figure 29
    Figure 29

    The installation of XenServer 8.0 begins, as shown in Figure 30.

    Figure 30
    Figure 30

    I have no Supplemental Packs to install, so press Enter as shown in Figure 31.

    Figure 31
    Figure 31

    When the installation completes, physically remove the installation media (SanDisk thumb drive) from the server and press Enter to reboot the new XenServer 8.0 virtualization host, as shown in Figure 32.

    Figure 32
    Figure 32

    Once the server reboots, you have done the easy part. You now have a XenServer 8.0 host ready for the initial configuration, as shown in Figure 33.

    From Tobias:

    “Note that sometimes the network won’t show up on the XS console screen. This is a weird thing that has been happening over various XS/CH releases. Sometimes if you wait long enough, it will eventually show up. In most cases the network is there, it’s just not visible through this interface. Conversely, occasionally, the whole network has been lost and I’ve had to re-configure it all using an emergency network reset and going through the whole process. This is particularly painful if you have things like multiple networks, VLAN, and/or iSCSI address that all need to be redefined.”

    Figure 33

    Figure 33Note: I followed the same process for the other two hosts.

    Up next: Citrix XenServer Host and Pool Configuration.

    About Carl Webster

    Webster is a Sr. Solutions Architect for Choice Solutions, LLC and specializes in Citrix, Active Directory and Technical Documentation. Webster has been working with Citrix products for many years starting with Multi-User OS/2 in 1990.

    View all posts by Carl Webster

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