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1
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1answer
421 views

How to assign dedicated vCPUs to specific VM on Proxmox (KVM) or what system could do that?

I'm posting this here, because what I've found about the topic is either outdated, incomplete or not suitable for various reasons. I have wanted for a long time to learn how to map specific vCPUs to ...
-3
votes
6answers
8k views

Newbie to ESXi, Can I run my VM on a laptop with ESXi and get to VM desktops?

Looking for a solution to use a hypervisor that allows access to the VMs that are running on itself. Basically, I would like to setup a laptop that can run 10 to 15 VMs that are already built, but to ...
0
votes
0answers
24 views

Hypervisor vs Virtual Machine Monitor

What is the difference between a Hypervisor and a Virtual Machine Monitor? Mostly it is referred as the same but today I started to read a book in which they are different things. After about two ...
1
vote
0answers
19 views

Hyper-V Style Hypervisor for Ubuntu [closed]

I've got an Ubuntu server running a few things, and I'd like to add FreePBX to it. I don't want to reconfigure/reinstall my current Ubuntu installation just so I can run a Type-1 hypervisor like Xen (...
1
vote
1answer
97 views

Very slow network with certain NIC Teaming modes?

I installed Windows Server 2012 R2 Standard to build a Hyper-V host. The server has a built-in network adapter (HP Ethernet 1Gb 2-port 332i Adapter) with the the latest drivers installed and left its ...
2
votes
3answers
4k views

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 ...
-3
votes
1answer
36 views

Retrieve host info from a VM [closed]

I know we are able to know if we are in a virtual machine. But i'm wondering if we can gether informations about host from a vm (ip, mac, os, ...). Another question: if we do an http request from the ...
5
votes
2answers
11k views

KVM Guest using Physical SATA disk

Is there a way to get my Ubuntu server (running as a guest in KVM) to use one of the hosts SATA disks? I Want it to have exclusive access and I believe there should be a "native" way. I have googled ...
1
vote
0answers
85 views

Create Embedded Hypervisor from pendrive for IBM System X (x3850 M2)

I have an IBM x3850 M2 (7233). There is an USB port on the inside of it which - according to its manual - is for an embedded hypervisor. I plugged the an empty pendrive into the internal socket and ...
0
votes
1answer
27 views

Effects of Third Party tools on Hypervisor Performance

I am using XEN for managing and introspection of VM's. I used DRAKVUF for sake of introspection. XEN provide built in tools for managing VM's. But I want to use LibVIRT for management. I want to know ...
2
votes
1answer
943 views

Esxi hypervisor install: uefi or bios?

I recently bought Dell PowerEdge T430 server and I want to install on it ESXi 6.0. Since VMware now supports UEFI (from version 5.0) I want to ask how to install hypervisor? BIOS UEFI After ...
0
votes
1answer
150 views

KVM hypervisor swap

I've had my first CentOS 7 KVM host setup for about a year now, it is a dual quad-core machine with 32GB of physical memory. I have a dozen VM's running with a total allocated memory of 23GB. This ...
7
votes
1answer
1k views

BUG CONFIRMED: No performance data for VMXNET3 in ESXi 6.0?

Did ESXi 6.0 completely removed the performance data for VMXNET3 or is there is a way, how can enable throughput logging/graphing for VMXNET3? In ESXi 5.5 the ESXi client showed the network ...
1
vote
0answers
130 views

Cant connect to server in Hyper-V Manager

I'm trying to connect to my server (running Hyper-V Core) with Hyper-V Manager in windows 10 and it will not connect, putting out the error: You do not have the required permission to complete ...
4
votes
3answers
5k views

VMware ESXi error upon boot “Relocating modules and starting up the kernel”

Coming back from a 4-day weekend, I noticed the A/C had been turned off for the duration of the long weekend and the heat was around 80-82 degrees. The HP ProLiant DL185G5 was running but the system ...
11
votes
4answers
2k views

What happens when a physical machine fails in a virtual environment? [closed]

I'm getting started with virtualization so bear with me. In virtual environments applications run in a hypervisor's layer. So a single physical machine could have many virtual machines on it running ...
0
votes
3answers
185 views

Booting hypervisor and network stacks using PXE Server

I am trying configure server using PXE boot. I successfully installed ESXi hypervisor using PXE and would like to know if there is a way by which I can specify Virtual machines at the time of PXE boot....
0
votes
0answers
86 views

Error in kick start file for esxi installation along with OVF deployment

I am trying to deploy OVA on ESXi as part of post installation script but I am getting error when this script gets executed. I manually executed these lines in ESXi and they work well. Any one has any ...
-11
votes
2answers
345 views

Why i can not download VMware vSphere Hypervisor 5.1 [closed]

Guys i have server HP Proliant DL160 G6 and i am trying to download VMware vSphere Hypervisor 5.1 but i can not. I am trying to download it from the official website of vmware but it only allows me ...
5
votes
3answers
2k views

Why use a type 2 hypervisor?

I have a question about type 1 and type 2 hypervisors. Type 1 runs on the bare metal, and then the end operating systems are installed on top. This seems to me like the most logical way to build a ...
2
votes
4answers
1k views

Bare metal hyper-visor that supports viewing it's own guests [closed]

I'm trying to understand if it is possible to have a Type-1 Hypervisor (bare metal, no host OS) with the ability to view the guest(s) operating system(s) on the same machine. i.e. I have a XenServer ...
0
votes
1answer
374 views

What hypervisors support vGPU? [closed]

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 ...
-2
votes
2answers
122 views

How do bare-metal/hosted hypervisors relate with hardware and software virtualization? [closed]

Do I understand it properly that Hardware Virtualization is basically a system with a bare-metal hypervisor and Software Virtualization is a system with hosted hypervisor? (And, therefore, because ...
1
vote
1answer
251 views

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-...
0
votes
1answer
99 views

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 ...
1
vote
2answers
264 views

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 ...
2
votes
3answers
173 views

Checklist for relocating Linux server [closed]

I've been preparing a new Linux server in the office to be used as a VM host using Proxmox. Now that the basics are done we're moving it to our ISPs server room. I'd like to make sure I haven't ...
11
votes
11answers
8k views

Run virtual machines without a host

I know that I can have virtualization software (Virtual Box, Virtual PC) running on Ubuntu or Windows and run guest operating systems in it. Is it possible to run virtual machines without a host OS? ...
1
vote
1answer
3k views

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 ...
0
votes
3answers
4k views

nested virtualization in kvm

I am looking for some advice on configuring KVM on Red Hat 6.5 so that it is able to run Red Hat Hypervisor as a virtual guest. When I am running Red Hat Virtialization Hypervisor as KVM guest then ...
5
votes
1answer
816 views

DRBD as DR: syncing datastores of 2 ESXI hosts, vmdk consistency?

does anyone have experience with using DRBD (protocol C) to sync parts of the datastores of 2 esxi hosts for disaster recovery of selected guests? I have 2-3 guests that should be able to recover ...
0
votes
2answers
145 views

Hyper-V File Server Backup [closed]

I have some questions that I know you guys will be able to answer. I am a new IT guy for a manufacturing plant. I am new to being an IT manager having only a background in Staples Easytech and ...
1
vote
2answers
1k views

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 ...
1
vote
1answer
62 views

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....
12
votes
2answers
2k views

Is the gang scheduling employed by VMware a serious drawback?

I was reading some technet articles as well as this one regarding the differences between the way VMware and hyper v doing CPU scheduling. I was wondering if I could get some objective info on this. ...
1
vote
1answer
297 views

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 ...
2
votes
5answers
6k views

Adding RAM to a virtual machine without restart

Could anyone suggest me a hypervisor that permits adding RAM to a running virtual machine without restarting the guest OS. Is this even possible? Can this be done on xen? I have never found any ...
-4
votes
1answer
60 views

Is it possible to use planet scale load-balanced virtulisation? [closed]

there are more and more implementations of distributed-virtualisation. A common one is Microsoft SCVMM. Currently, such things are kept inside LANs, and a san or fiber-channel system is used for ...
0
votes
1answer
659 views

How does migrating a running Virtual-Machine from one Hypervisor to another actually work?

How does migrating a running Virtual-Machine from one Hypervisor to another in a cloud environment actually work? I know that it is possible and that this feature exists. But what does actually ...
1
vote
1answer
223 views

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 ...
2
votes
4answers
2k views

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 ...
1
vote
1answer
427 views

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 ...
1
vote
3answers
199 views

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 ...
1
vote
2answers
3k views

vSphere - Allocate 100% CPU to 1 VM / 88% efficiency [closed]

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 ...
1
vote
1answer
550 views

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 ...
12
votes
4answers
5k views

Can a virtual machine (VM) “hack” another VM running on the same physical machine?

Questions: if a VM is corrupted (hacked), what do I risk on others VMs running on the same physical machine? What kind of security issues is there between VMs running on the same physical host? Is ...
0
votes
1answer
3k views

Windows Server 2008 R2 Hyper-V VM BSOD after 1min 30seconds even before logging in?

I have a Hyper-V VM running Windows Server 2008 R2 (Host is also WinSrv 2008 R2) that was working perfectly. It has now started BSOD before I even login. On testing if I boot normally and login the vm ...
1
vote
1answer
575 views

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 ...
5
votes
2answers
747 views

What are the tradeoffs between using hypervisor- vs. storage-array-based snapshots as backup sources?

Suppose you have some virtual machines (running in eg. ESXi) that are stored on an iSCSI storage array (eg. EqualLogic PS4110). Now suppose you want to set up a backup and restore regime that looks ...
2
votes
3answers
231 views

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-...