Nested ESX / Virtualization
Nested ESX / Virtualization is the ESX or any hypervisor running as a pseudo-machine, in this web log we will see how to set up ESXi 5.1 as a VM in ESXi 5.1 and Installing ESXi 5.1
Nested Virtualization with the 5.1 Release Intel VT-x or AMD-V is required for running “ Nested Virtualization ” which supports nested 32-bit VMs, Intel EPT or AMD RVI is required for running nest 64-bit VMs.
A immediate way to verify whether your CPU truly supports Intel-VT+EPT or AMD-V+RVI, you can paste the following into a browser : https://[your-esxi-host-ip-address]/mob/?moid=ha-host&doPath=capability
Nested ESX Support
You will need to login with your etymon credentials and then look for the “ nestedHVSupported ” property and if it states assumed, it means you may be able to install nest ESXi or other hypervisor, but you will not be able to run nest 64-bit VMs, entirely 32-bit VMs, assuming you have either Intel-VT or AMD-V accompaniment on your CPUs.
In the earlier versions we used to set vhv.allow = “ on-key ”, this is no longer is function from the ESX 5.1 to enable VHV, new parameter has been introduced in the recent version called vhv.enable = “ true ” nowadays that has to set for all the VMs to provide finer coarseness of VHV digest. This besides allows for better portability between VMware ’ randomness hosted products such as VMware Fusion and Workstation as they besides support the vhv.enable argument.
You can now enable VHV on a per VM footing and using the newly vSphere Web Client which basically adds the vhv.enable = “ true ” argument to the VM ’ s .VMX shape file.
To Enable VHV ( virtual Hardware-Assisted Virtualization ) for ESX
Step-1 : Create a new Virtual Machine using the new vSphere Web Client that ’ s available with vCenter Server 5.1
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choice list and booklet
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Select the Resources ( Datacenter and Host )
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Select compatiblity
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Step-2 : choose “ Linux ” as the guestOS Family and “ other Linux ( 64-bit ) ” as the guestOS Version .
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Step 3 – During the custom-make hardware charming, expand the “ CPU ” section and choice “ Hardware Virtualization ” box to enable VHV.
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note : If this box is grayed out, it means that your physical central processing unit does not supported Intel VT-x + EPT or AMD-V + RVI which is required to run VHV OR that you are not using Virtual Hardware 9. If your CPU only supports Intel-VT or AMD-V, then you can hush install cuddle ESXi, but you will only be able to run nest 32-bit VMs and not nested 64-bit VMs .
Step 4 – It is calm recommended that you change the guest OS Version to VMware ESXi 5.x after you have created the VM shell, as there are some especial settings that are applied automatically. unfortunately with the new vSphere Web Client, you will not be able to modify the guest oculus sinister after creation, so you will need to use the C # Client or manually go into the .VMX and update guestOS = “ vmkernel5 ”
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immediately you are ready to install nest ESXi VMs a well as run nested 64-bit VMs within .
For proper network connectivity, besides ensure that either your standard vSwitch or Distributed virtual Switch has both easy manner and forged impart enabled either globally on the portgroup or distributed portgroup your nest ESXi hosts are connected to.

Install ESXi
Attach VMvisor-Installer-5.x.x.x86_64.iso file to the virtual machine
Reboot the machine / press ctrl + Alt + Insert
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Select ESXi-5.x.x-xxxxx-standard installer
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Select the Disk
install
Press F11 to confirm the phonograph record repartition
disk
Configure password

pass
installing
configure network
afterinstall

network
Nesting “Other” Hypervisors
For those of you who feel inclined to run other hypervisors such as Hyper-V, you can do indeed with latest publish of ESXi 5.1. The process if very square forward merely like running nested ESXi host.
Step-1 : Create a Virtual Hardware 9 VM and select the allow guestOS. In hyper-V exercise, I selected Windows Server 2012 ( 64-bit ) as the guestOS adaptation.
Step-2 : enable VHV under the CPU section if you wish to create and run nested 64-bit VMs under Hyper-V
Step 3 – You will need to add one extra .vmx parameter which tells the underlie guestOS ( Hyper-V ) that it is not running as a virtual guest which in fact it very is. The argument is hypervisor.cpuid.v0 = FALSE

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