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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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What hypervisors support vGPU?

Does anyone know if any open source hypervisor supports vGPUs? It looks like XenServer and vSphere are the only two hypervisors that support virtual graphics cards (true vGPU, not passthrough or software emulated). I was poking around the…
dkobran
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Is event 41 normal when VPS is shutdown in hypervisor?

I have a hosted VPS (Windows Server 2012) and shutting it down in the hypervisor causes the following critical event in the System view of the Windows logs: > Log Name: System Source: Microsoft-Windows-Kernel-Power Date: > 4/13/2015 12:05:28 PM…
Frank Rem
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Backing up VMs without separate backup server

We're buying a new server and are switching to a virtual environment. We want to have one physical server as a host containing several guest servers. We're a small organisation and we know that ideally we should have more redundancy, but it's not…
Ernst
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What is the difference between a "client hypervisor" and a hypervisor?

Before encountering this Emulation, paravirtualization, and pass-through: what you need to know for client hypervisors article, I only knew of the generic term "Hypervisor". What added to my confusion was the article's statement "...both VMware…
Bill The Ape
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Can I have 2 different ESXI Versions in the one Vcenter

Can I have 2 different ESXI Versions in the one Vcenter? MyVcenter is split up into several Clusters (for management and user separation/security reasons) . All host in a cluster are at the same patch level(EG 5.1 Update3). But they are not at the…
Cat
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ESXi Hypervisor - Cannot get multiple VMs to connect to Internet

Pulling my hair for past few days over this. Can some VMWare ESXi expert help out? I recently decided to give ESXi 5.5 a try. Installed it, got connected through vSphere client, and created few CentOS 6 VMs. My ESXi configuration has all 3 CentOS6…
visitsb
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Logging VM activity at the hypervisor level

I have a virtual machine running (currently using virtualbox, but this is flexible), which users ssh into. I would like to log the actions the users take in the terminal, but do it from outside the VM. Is this feasible? Do I need to use a different…
Davis Yoshida
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Proxmox 3 cluster configuration disappeared

We have been running a Proxmox VE version 3 system for some time without issues. Abruptly, the /etc/cluster/cluster.conf file disappeared, pve-cluster and cman fell over and containers became inaccesible. We recreated the cluster configuration with…
David G
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kvm hypervisor kernel panic

My kvm hypervisor had been running with 20+ vps guests for a few months. But a few days ago it went to kernel panic. There were no abnormal operation that I found would cause the problem, except that the hypervisor was deleting a guest and shrubbing…
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backup files to a remote server with multiple versions using rsync hardlink option

To use rsync hard link option to backup files remotely so that remote backup server could keep multiple versions of the backups, both the link-dest directory and the target directory have to be on the same remote disk. But 'rsync --link-dest' option…
Purres
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Is it possible to Migrate Live VMs from a Windows 2012 Hyper-V Cluster to a different 2012 R2 Cluster?

At the moment I'm in a bit of dilemma because I know that Windows 2012 supports "Shared Nothing Live Migration" but recently I got to know that this feature is available for stand alone Hyper-V Servers. My Setup is that I have 3 Servers running…
StefanGrech
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vSphere - Allocate 100% CPU to 1 VM / 88% efficiency

EDIT 2: My application benefits from hyper-threading A. Yes I know what the technology is and what it does B. Yes I know the difference between a physical core and a logical one C. Yes turning HT off made the render run slower, this is expected! D.…
Cody Smith
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Vagrant support for Type 1 Hypervisor

I need to be able to spin up VMs every now and again so that I can have a space to build the latest iteration from my project's 'dev' branch (using chef), run the configuration scripts, and make sure that the scripts are not broken due to the latest…
Devon Finninger
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Hyper-V vs KVM for running Ubuntu + Windows

I am currently planning to set up a server for virtualisation. It will be running about half Windows 2012 servers and half Ubuntu. Would it be better to use hyper-v or KVM as the hypervisor as I am not sure which would give the best performance.
Autumnal
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Xen DomU (Guest) OS on different hard disk to Dom0?

I have followed the guide provided on the Ubuntu Community Documentation for Xen and I have successfully installed eight guest OS's on a different machine. In the guide, I use the command: sudo lvcreate -L 4G -n ubuntu /dev/ to create my guest…
chrisburke.io
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