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Questions tagged [hypervisor]

This is one of many hardware virtualization techniques that allows multiple "guest" operating systems to run concurrently on a "host" computer. Also known as virtual machine manager (VMM).

Hypervisor, also called virtual machine manager (VMM), is one of many hardware virtualization techniques allowing multiple operating systems, termed guests, to run concurrently on a host computer. It is so named because it is conceptually one level higher than a supervisory program. The hypervisor presents to the guest operating systems a virtual operating platform and manages the execution of the guest operating systems. Multiple instances of a variety of operating systems may share the virtualized hardware resources. Hypervisors are very commonly installed on server hardware, with the function of running guest operating systems, that themselves act as servers.

Source: wikipedia

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Hypervisor type of Hyper-V on Windows 10 vs Hyper-V on Windows Server

Hyper-V on Windows 10 differs from Hyper-V on Windows Server in features and memory management, as stated in Microsoft docs for Hyper-V: There are some features that work differently in Hyper-V on Windows than they do in Hyper-V running on…
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VMware ESXi boots to black screen with only one text line: "usb"

After rebooting my server (Lenovo System X), my ESXi instance starts to boot and then hangs up after the Yellow/Grey screen. I have a black screen, with a white "usb" on top. I found similar issue with "scrath" or "ssh" text, but not "usb". I tried…
user4780495
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Installing Hyper-V Role on Server 2012 R2 Without the Hypervisor

I have a Windows 2012 R2 Essentials Server running on top of Hyper-V Server 2012 R2. In server manager on the Essentials Server, I'd like to be able to manage other Hyper-V servers remotely. I'm unable to install this role because I'm already…
AJ.
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Why do I need an FQDN for a Hypervisor used only for running in house VMs for software testing?

I'm testing ProxMox, and during installation it asks for an FQDN. I've entered test.local, and it accepted it but I suppose I would have to enter something like cluster1.companyname.com, and then ensure that DNS will point that subdomain to the IP…
Sevron
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Which hypervisors use full/para virtualization?

So I kind of understand what the difference is between full virtualization and para virtualization. With full virtualization, the guest OS doesn't know that it is being virtualized. With para virtualization, the guest OS needs to know that it is…
Simone
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Troubles with booting xen VM in Hyper-V

I have raw image with xen hypervisor powered Virtual Machine (ubuntu 12) I converted it to vhdx (Hyper-V) format and now trying to boot it: Grub says error 13 invalid or unsupported executable format Probably, due to para-virtualized VM style this…
timhok
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Moving system from ESXi to Hyper-V

I have a problem with moving a system from ESXi to Hyper-V. The system on ESXi has got 100GB allocated space on HDD. The system is made from an image file(size about 6GB). The machine hosting Hyper-V has about 110GB free space. Is there any way to…
gkovacs90
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64 bit HVM guest freezes while booting on Debian Lenny 64 bit Xen hypervisor

I'm trying to create an x86 64 bit guest machine on an old Debian Lenny x86 64 bit hypervisor using HVM. The physical CPU is a first generation Intel i7 with VT-x support. Xen recognizes the VT-x support with the line (XEN) HVM: VMX enabled when…
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Does Intel VT-x (or AMD Pacifica/AMD V) Support Real Virtualisation?

I am still confused regarding the mechanisms of virtualisation. I understand why the x86 architecture is/was not by itself virtualisable and why other architectures are (and why the 68k architecture was except for the MC68000 itself etc.). And then…
Andrew J. Brehm
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Hypervisor for mixed client and server OSes

I need to replace three old boxes I use for development, running Linux, Win Server and Win XP. Instead of purchasing three new boxes I am thinking of purchasing a single box and virtualizing the OSes. As it is for development, absolute performance…
Mark
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Why is it possible to deploy a hypervisor within a hypervisor?

Why is that a hypervisor, which alledgedly needs to be on physical hardware, can be deployed within a VM? For example, XenServer (the actual hypervisor) can be deployed in an ESX VM? Why is this possible (Although not a good idea for many reasons,…
blade3
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Hyper-v Core backup so slow across LAN

Our T610 server has 2 Gb NICs and a guest VHD thats 28GB in size. When I copied that VHD from our file server [Server 2003] to the local drive on hyper_v core it took over 3 hours. This concerns me as I wanted to move backups back out to the…
gary
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Hyper-V core management options

I have installed Hyper-V standalone on a server and configured server options using sconfig.cmd. I am now stuck as to how I create VMs, back them up etc. Our environment has only XP pro workstations, 2003 servers & a 2008 server across a VPN. I was…
gary
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Which Hyperviser Solution for Java Applications?

Do you have any comment which of the available hypervisor solutions is best suited for Java applications? i.e. provides higher performance along with Java virtual machine? Our machines are mid-level 64b Intels. Running Ubuntu Linux (8.04-LTS) and…
Amin Abbaspour
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Hyper-V Cluster 2019 suggestion for requirements

We are planning to purchase nodes for the Hyper-V Cluster which will run on Windows Server 2019. Which chipset you recommend for cluster 2019? What is your recommendation for PCIe Cards? Should all ports be through cards or we can use also onboard…
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