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Ultimate automation guide to deploying VCSA 6.0 Part 2: Platform Services Controller Node

02.26.2015 by William Lam // 14 Comments

In this article, I will share alternative methods of deploying the first Platform Services Controller Node (PSCs) using the VCSA 6.0 appliance. If you are interested in deploying additional PSC instances joined to an existing SSO Domain, stay tune for Part 3 where this will be covered. Take a look at the various deployment methods below and their respective instructions for more details. If you are deploying using one of the scripts below, you will need to extract the contents of the VCSA ISO. If you are deploying to Workstation/Fusion, you will need to extract the VCSA ISO and add the .ova extension to the following file VMware-VCSA-all-6.0.0-2562643->vcsa->vmware-vcsa before deploying.
psc
Disclaimer: Though these alternative deployment options work, they are however not officially supported by VMware. Please use at your own risk.

Deploying to an existing vCenter Server using ovftool (shell script)

I have created a shell script called deploy_vcsa6_first_psc_to_vc.sh which requires using ovftool 4.1 (included in the VCSA ISO) to specify the appropriate OVF "guestinfo" properties for a PSC deployment. You will need to edit the script and modify several variables based on your environment.

Here is an example of executing the script:

vcsa-6.0-platform-service-controller-node-deployment

Deploying to an ESXi host using ovftool (shell script)

I have created a shell script called deploy_vcsa6_first_psc_to_esxi.sh which requires using ovftool 4.0 or greater to specify the appropriate OVF "guestinfo" properties for a PSC deployment. You will need to edit the script and modify several variables based on your environment. The behavior of this script is similar to the one above, except you are deploying directly to an ESXi host.

Deploying to an existing vCenter Server using ovftool (PowerCLI)

I have created a PowerCLI script called Deployment-PSC.ps1 which uses ovftool and specifies the appropriate OVF "guestinfo" properties for a PSC deployment. You will need to edit the script and modify several variables based on your environment.

Deploying to VMware Fusion & Workstation

To properly deploy the new VCSA 6.0, the proper OVF properties MUST be set prior to the booting of the VM. Since VMware Fusion and Workstation do not support OVF properties, you will need to manually deploy the VCSA, but not power it on. Once the deployment has finished, you will need to add the following entries to the VCSA's VMX file and replace it with your environment settings. Once you have saved your changes, you can then power on the VM and the configurations will then be read into the VM for initial setup.

guestinfo.cis.deployment.node.type = "infrastructure"
guestinfo.cis.vmdir.domain-name = "vghetto.local"
guestinfo.cis.vmdir.site-name = "vghetto"
guestinfo.cis.vmdir.password = "VMware1!"
guestinfo.cis.appliance.net.addr.family = "ipv4"
guestinfo.cis.appliance.net.addr = "192.168.1.60"
guestinfo.cis.appliance.net.pnid = "192.168.1.60"
guestinfo.cis.appliance.net.prefix = "24"
guestinfo.cis.appliance.net.mode = "static"
guestinfo.cis.appliance.net.dns.servers = "192.168.1.1"
guestinfo.cis.appliance.net.gateway = "192.168.1.1"
guestinfo.cis.appliance.root.passwd = "VMware1!"
guestinfo.cis.appliance.ssh.enabled = "true"

For more information, you can take a look at this article here.

Deploying using new scripted install (bonus)

As mentioned earlier, there is also a new scripted installer included inside of the VMware-VCSA ISO under /vcsa-cli-installer which supports Windows, Mac OS X and Linux, but must be connected directly to an ESXi host. There are several templates that are also included within the /vcsa-cli-installer/templates. I thought as a bonus I would also share the template I have been using to deploy the first PSC using a static IP Address which some of you may find useful.

{
    "__comments":
    [
        "William Lam - www.virtuallyghetto.com",
        "Example VCSA 6.0 1st Platform Service Controller Node Deployment w/Static IP Address"
    ],

    "deployment":
    {
        "esx.hostname":"192.168.1.200",
        "esx.datastore":"mini-local-datastore-1",
        "esx.username":"root",
        "esx.password":"vmware123",
        "deployment.network":"VM Network",
        "deployment.option":"infrastructure",
        "appliance.name":"psc-01",
        "appliance.thin.disk.mode":true
    },

    "vcsa":
    {
        "system":
        {
            "root.password":"VMware1!",
            "ssh.enable":true,
            "ntp.servers":"0.pool.ntp.org"
        },

        "sso":
        {
            "password":"VMware1!",
            "domain-name":"vghetto.local",
            "site-name":"virtuallyGhetto",
            "first-instance":true
        },

        "networking":
        {
            "ip.family":"ipv4",
            "mode":"static",
            "ip":"192.168.1.50",
            "prefix":"24",
            "gateway":"192.168.1.1",
            "dns.servers":"192.168.1.1",
            "system.name":"192.168.1.50"
        }
    }
}

The use the scripted installer, you just need to change into the appropriate OS platform directory (win32,mac or lin64) and there should be a binary called vcsa-deploy. To use this template, you just need to save the JSON to a file and then specify that as the first argument to vcsa-deploy utility.

Here is an example of deploying a PSC using the vcsa-deploy scripted installer.

vcsa-6.0-first-platform-service-controller-scripted-install

  • Part 0: Introduction
  • Part 1: Embedded Node
  • Part 2: Platform Services Controller Node
  • Part 3: Replicated Platform Services Controller Node
  • Part 4: vCenter Server Management Node

Categories // Automation, Fusion, OVFTool, VCSA, vSphere 6.0, Workstation Tags // fusion, ovftool, platform service controller, psc, sso, VCSA, vcva, vSphere 6.0, workstation

Quick Tip - vSphere MOB is disabled by default in ESXi 6.0

02.24.2015 by William Lam // 9 Comments

Yesterday, I noticed an interesting error when trying to connect directly to the vSphere MOB on an ESXi 6.0 host. The following error message was displayed on the browser:

503 Service Unavailable (Failed to connect to endpoint: [N7Vmacore4Http20NamedPipeServiceSpecE:0x4bf02038] _serverNamespace = /mob _isRedirect = false _pipeName =/var/run/vmware/proxy-mob)

vsphere-6.0-mob-disable-0
This was the first time I had noticed this as I normally use the vSphere MOB for debugging purposes or exploring the vSphere API. The vSphere MOB is also a quick an handy way to unregister vSphere Plugins when connecting to vCenter Server.

I did some further investigation and it turns out that in vSphere 6.0, the vSphere MOB will be disabled by default on an ESXi 6.0 host. The reason for this is to provide security hardening out of the box for ESXi versus having an administrator harden after the fact. If you are familiar with the vSphere Security Hardening Guides, you will recall one of the guidelines is to disable the vSphere MOB on an ESXi host and with vSphere 6.0, this is now done automatically for you. This information will also be documented as part of the vSphere 6.0 documentation when it GAs.

If you still need to access the vSphere MOB on an ESXi how, this of course can be re-enabled from the default. There is also a new ESXi Advanced Setting called Config.HostAgent.plugins.solo.enableMob which easily controls whether the vSphere MOB is enabled or disabled as seen in the screenshot below.

vsphere-6.0-mob-disable-1
You have the option of using either the vSphere C# Client as shown in the screenshot above or the vSphere Web Client to configure the ESXi Advanced Setting:

vsphere-6.0-mob-disable-3
You can also configure this property using the vim-cmd in the ESXi Shell.

Listing the ESXi Advanced Setting using vim-cmd:

vim-cmd hostsvc/advopt/view Config.HostAgent.plugins.solo.enableMob

vsphere-6.0-mob-disable-2
Configuring the ESXi Advanced Setting to true:

vim-cmd hostsvc/advopt/update Config.HostAgent.plugins.solo.enableMob bool true

If you prefer to automate this using PowerCLI or vSphere API, this can also be done. Below are two examples using the Get-VmHostAdvancedConfiguration and Set-VMHostAdvancedConfiguration PowerCLI cmdlets.

Listing the ESXi Advanced Setting using PowerCLI:

Get-VMHost 192.168.1.200 | Get-VmHostAdvancedConfiguration -Name Config.HostAgent.plugins.solo.enableMob | Format-List

vsphere-6.0-mob-disable-4.png
Configuring the ESXi Advanced Setting to true:

Get-VMHost 192.168.1.200 | Set-VMHostAdvancedConfiguration -Name Config.HostAgent.plugins.solo.enableMob  -Value True

If you rely on using the vSphere MOB on ESXi and would like this to be your default, I would recommend you update either your ESXi Kickstart or Host Profile to include this additional configuration so that you do not get like I did 🙂 If you only need to use the vSphere MOB on occasion or do not have a use for it at all, then leaving the default is sufficient.

Categories // Automation, ESXi, vSphere 6.0 Tags // ESXi, mob, vim-cmd, vSphere 6.0, vSphere API

Quick Tip - smartd configurable polling interval in vSphere 6.0

02.20.2015 by William Lam // 1 Comment

In vSphere 5.1, one of the major storage enhancements that was part of the new I/O Device Management (IODM) framework was the addition of SMART (Self Monitoring, Analysis And Reporting Technology) data for monitoring FC, FCoE, iSCSI, SAS protocol statistics, this is especially useful for monitoring the health of an SSD device. The SMART data is provided through a SMART daemon which lives inside of ESXi and runs every 30 minutes to gather statistics and diagnostic information from the underlying storage devices and provides the information through the following ESXCLI command:

esxcli storage core device smart get -d [DEVICE]

Screen Shot 2015-02-20 at 4.14.06 AM
If you would like to learn more about IODM and SMART, be sure to check out Cormac Hogan's in-depth article here.

The default polling interval for the SMART daemon in vSphere 5.1 was not configurable and 30 minutes was the system default. For most customers, the out of the box configuration should be sufficent. However, for some customers who wish to have greater flexibility in the polling frequency, the default can now be adjusted in vSphere 6.0. The smartd process now includes a new -i option which specifies the polling interval.

[root@mini:~] smartd -h
smartd: option requires an argument -- 'h'
smartd <options>
-i   Polling interval (in minutes) for smartd
(default Polling interval is 30 minutes)

If you wish to change the default, you will need to modify the /etc/init.d/smartd init script and include the interval option. One issue that I have found is that changes to the init script do not persist reboots as modifications to these files should not be performed by users. In the case of adjusting the polling interval, we need to add the additional option for smartd startup.

We can still accomplish this by adding the following to /etc/rc.local.d/local.sh make the necessary adjustments and restarting the smartd process:

SMARTD_POLL_INTERVAL=35
/etc/init.d/smartd stop
sed -i "s/^SMARTD_SCHED_PARAM.*/SMARTD_SCHED_PARAM=\"-i ${SMARTD_POLL_INTERVAL} ++group=smartd\"/g" /etc/init.d/smartd
/etc/init.d/smartd start

Note: The -i option is only visible when smartd process is not running

If you wish to see the changes live immediately, then you can run /etc/rc.local.d/local.sh command once or this will automatically happen upon ESXi booting up. If we perform a process look up using "ps", we can see that our smartd is now configured to poll every 35 minutes instead of the default 30.

Screen Shot 2015-02-18 at 6.00.52 PM

Categories // ESXi, vSphere 6.0 Tags // esxcli, iodm, smartd, vSphere 6.0

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William is Distinguished Platform Engineering Architect in the VMware Cloud Foundation (VCF) Division at Broadcom. His primary focus is helping customers and partners build, run and operate a modern Private Cloud using the VMware Cloud Foundation (VCF) platform.

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