Virtualization is a group of software technologies that allow abstraction between layers of a system. This allows separation between the logical layers of the system, providing isolation, flexibility, and/or the ability to run more than one at a time. This differs from most traditional systems where ...

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7 views

Hyper-V Manager can't find virtual machine [migrated]

I am using the Hyper-V Manager and following a Microsoft Learning tutorial. I already have the three folders representing the Virtual Machine in: C:\Program Files\Microsoft ...
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0answers
12 views

Creating a XenServer VM from the Command-line

I have an issue in which I cannot understand how to create a XenServer Virtual Machine from the command-line. I have installed XenServer on an unused Tower unit, and currently SSH into it from my ...
1
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0answers
21 views

Hyper-V Host Requirements [on hold]

We are considering consolidating three lightweight physical servers onto one machine using Hyper-V. I've received a quote for an HP ML310e Gen8 with the following specs: 1 Intel Xeon E3-1220V3 ...
0
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0answers
16 views

Suddenly Azure VM's Disk is full [on hold]

I have a Windows Server VM on Azure that we use for demo purposes only and we don't have any data stored on it. only the app related files which doesn't exceed 1GB. Suddenly, I found the OS disk is ...
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1answer
21 views

VMWare Player Version 6.0.4 Host needs to go down [on hold]

First off, I know my question is stupid but I thought I'd just go for it, before my client goes bananas. I have a virtual Windows 2000 running in a VM within VMWare Player, and I have to power down ...
1
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0answers
23 views

How to configure HW, OS, network for virtualization with VMDq and SR-IOV features [on hold]

I have: SUN X4100 M2 Intel Ethernet Adapter E1G42ET (VMDq and SR-IOV supported) Linux Ubuntu 14.04 Server (host machine) May setup 15 KVM as hypervisor I want some virtual guest machines (linux) ...
1
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1answer
24 views

Virtual hosts instead of separate IPs?

I've been wondering if it's possible to host multiple applications using a single port on one IP address. I'm meaning a similar method to Apache Virtual Hosts where you can assign domains/subdomains ...
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1answer
20 views

Config differents external proxy to every VM with iptables

I have a virtualization server with one IP and 5 VM. To get internet access and ssh access in every VM I do this in -------------/etc/network/interfaces------- auto vmbr2 iface vmbr2 inet static ...
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0answers
22 views

On debian, removing one virtual interface eth0:0 removes other virtual interfaces. Why?

Tried searching for the answer a lot of times. I have two virtual interfaces eth0:0(10.0.0.1) and eth0:1(10.0.0.2). I am trying to remove only eth0:0 interface. If I execute the command "ifconfig ...
0
votes
1answer
25 views

Lean virtualization solutions [closed]

I am looking for a lightweight way to run a linux kernel guest under an OSX host. I need only to be able to boot a very minimal linux kernel, start a single process under it, and communicate with that ...
4
votes
1answer
158 views

ESXi 5.5 CPU Sanity Check

In the BIOS of my server I have 2 X 2.26 quad cores, however in VMware I only see 2 cores per CPU ? Surely this isn't right? Processor Cores and Processor sockets should show as below: ...
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0answers
8 views

Error starting a VirtualBox instance inside an Ubuntu VirtualBox instance [migrated]

I am trying a Microservices demo that uses Vagrant to start up a VM and deploys software to the started machine. Because the demo is set up for Linux and I am using Windows (8.1 Pro), I am running ...
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4answers
1k views

What happens when a physical machine fails in a virtual environment?

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 ...
1
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0answers
33 views

ESXi 5.5: more than one hour to power up a Win2K VM

Around one year ago I installed an ESXi 5.5 to virtualize an old physical Windows 2000 server that, unfortunately, cannot be easily upgraded/migrated/replaced. Main ESXi datastore was created on top ...
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votes
1answer
24 views

Use graphical DomU (X11 for Linux, regular UI for Windows) from Dom0 without any GUI on Dom0

I am creating a Xen (para)virtualization setup, with two DomU's: a Windows 10 client install, on HVM, and an Linux client install with X11, on PV. Dom0 is a non-graphical Debian install. So far I have ...
1
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1answer
37 views

Best options for KVM/qemu/libvirt VM migrations without shared storage

My team has recently been tasked with improving the virtualization infrastructure at the company and one thing we're looking into doing is speeding up migrations. We use local storage only on all VM ...
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0answers
14 views

Migrating VMs in VMware Player to VMware Workstation [migrated]

Is there a way to migrate the VMs created in VMware Player to VMware Workstation ? My PC had VMware Player previously on my personal laptop, and I have 3 VMs created. I recently installed VMware ...
-1
votes
1answer
83 views

VMware ESXi 6.0 DirectPath I/O PCIe Device Not Working

I'm attempting to attach a NIC to a specific VM on my basic ESXi 6.0 setup. DirectPath I/O should allow me to do this, and the machine I'm running ESXi on does support VT-d (Dell Optiplex 990 with an ...
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votes
0answers
18 views

oVirt web interface not loading after host setup?

So I'm trying to install oVirt on my Centos 6.7 machine. I completed installing ovirt-engine but when I try to install Hosts from ovirt web interface, the web page stops loading after a while. ...
0
votes
1answer
37 views

Salt minions keep losing connection to master

I'm testing Salt. I have a simple test setup of 3 VirtualBox VM's -- with salt-master running on one of the machines and salt-minions running on the other 2 VM's. I can start either of the salt ...
0
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0answers
10 views

KVM Error While Deploying Existing Image

I have KVM running with 2 VM's. I tried backing up one of the images by copying it and then deploying using virtual machine manager using that existing image, that fired up fine. Now the second backup ...
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0answers
24 views

Finding suitable workload for VM performance evaluation

I'd like to say I'm totally newbie in this topic. I'm up to do an experiment with main target of VM performance evaluation. I have three physical machines and running hypervisors on top of them. Each ...
0
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0answers
5 views

Force virtual machine to only use VPN connection? [migrated]

Here's what I have: Mac OS X 10.10 - running Virtualbox and acting as an OpenVPN client. This works just fine on the VPN and is intended to be my host machine. There is also WiFi connection on this ...
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0answers
8 views

How do I compress or compact encrypted virtualbox disk image [migrated]

As I have created a Debian VM inside VirtualBox by encrypting their partition. So that the OS must be running in an encrypted partition. Although while creating a disk image(VHD), I had given for ...
0
votes
1answer
23 views

request ip from dhcp

I'm automating a deployment on a vmware esxi host using some custom shell scripts and I would need to know in advance the IP this VM is going to get from a DHCP prior to it being installed. I know ...
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2answers
44 views

Can't connect to a Vagrant/VirtualBox virtual machine

My ultimate goal is to install Puppet on a Vagrant CentOS box. The installer is tells me to connect to https://localhost:3000. My host is Windows. To troubleshoot why I can't connect I started ...
0
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1answer
24 views

VMware esxi bandwitch monitoring per VM

is there a way to monitor monthly bandwitch usage per VM on VMware ESXi. My server is in colocation and unfortunetly i can't use SNMP on virtual machines or network equipment to do that.
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0answers
27 views

Hyper-V Replication Failures

I have 2 sites with failover clusters running Hyper-V 2012. When I started this job the production website (site A) was on Server 2008 running Coldfusion 9, SQL 2008 all on one machine. I upgraded ...
0
votes
1answer
39 views

What benefit is there to using Vagrant for AWS resource management when using Ansible for provisioning?

I understand that Vagrant is a tool to create and manage virtual machines; and that Ansible is a tool to configure one's machines (virtual or otherwise). However, Ansible's AWS modules are capable of ...
0
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0answers
47 views

How to use vhost-scsi with Intel P3700 NVME SSD in KVM

I am using proxmox beta 4 in my HP DL 380 server with KVM. I configured Intel P3700 NVME - nvme0n1 as Virtio and on windows server 2008 r2 with virtio-scsi driver. I am getting 100 K random IOPS ...
0
votes
0answers
18 views

Need Help Connecting Two VOIP Devices?

I have two Motorola XPR 8400 two way radio repeaters. These repeaters are capable of voice over ip. These two repeaters will be placed at two different sites with different ip addresses. I need to ...
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votes
2answers
42 views

Trouble with NTP Sync between ntp servers and VMs

I have many VMs on production that run vmware, with vmtools running and the sync between ESXI and hosts is disabled. I run ntp client on all hosts, the OS of hosts is RHEL. The problem I have is that ...
0
votes
1answer
62 views

Fedora 22 Server on Hyper-V: Cannot reach httpd

I have created a WinS2012 Hyper-V Guest running Fedora 22 Server. HTTPD is running on the guest and listening on ports 80 + 8008. I have checked selinux - both ports are allowed for httpd. I can get ...
1
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2answers
31 views

How to upgrade Xen with minimal risk and downtime?

I've recently noticed that one of my server is running on a pretty old version of Xen: $ dpkg-query -l | grep xen ii libc6-xen 2.11.3-4 Embedded GNU C ...
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votes
0answers
31 views

Issues while trying to configure host in oVirt - Unable to connect to server via ssh

I am trying to configure a new host on a Centos7 server on which I was able to successfully install oVirt. After logging into the webadmin interface, I created a datacenter and a cluster ...
1
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1answer
19 views

Checking for disk failures and issues in a VM

If you host with a provider who runs a RAID 10 or another RAID based system and your in a VM. Are you able to check for disk failures or RAID failures from within the VM or does it require host based ...
1
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0answers
37 views

Hyper-v virtual machine acting as two separate vm's

I have a Hyper-V virtual machine (vm1) that has two separate instances of itself. I can log into what should be the same VM (vm1) through Hyper-v and RDP (Remote Desktop Connection) with the same ip ...
0
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1answer
53 views

Linux virtual server, direct routing (LVS/DR) on VPN

Is it possible to set up Linux Virtual Server on VPN? The real servers should lie on the same LAN segment. I want the real server to be a non-LAN server connected to the Internet. Could it be ...
0
votes
1answer
38 views

Finding correct IOPS to set limit with ESXi 5.5u2 and vSphere

We're running an ESXi 5.5u2 hypervisor that has a mirror of 2 15k SAS drives with a couple of VMs inside and we noticed some services become briefly unreachable if another VM is using all the IO. So ...
0
votes
1answer
106 views

Is a single instance VM with a SLA possible in Azure with 3rd party software?

I understand that single instance VMs aren't eligible for an SLA in Azure. For the SMB customers who have important applications that weren't built well enough (Sage 50 in my case) to allow you to ...
0
votes
1answer
28 views

Bloomfield CPU without Intel VT-x

According to my research an Intel Bloomfield CPU (more specific: a i7-920) should support Intel VT-x technology ...
1
vote
1answer
40 views

Can I migrate a VM between vCenter servers in linked mode?

Right now I have two separate vCenter servers (one older, one brand new), each managing 3 clusters of hosts. I will eventually need to get 300-500 VM's from the old clusters to the new. If I put the ...
26
votes
8answers
4k views

Consumer (or prosumer) SSD's vs. fast HDD in a server environment

What are the pro's and con's of consumer SSDs vs. fast 10-15k spinning drives in a server environment? We cannot use enterprise SSDs in our case as they are prohibitively expensive. Here's some notes ...
1
vote
1answer
187 views

Migrating AWS EC2 m3.large to m4.large

New m4 instances look much better than previous m3 instances (regarding performance and pice), so I'm going to make them as default instances for our cloud services. These services ran before on m3 ...
7
votes
1answer
637 views

Hardware requirements for 100 virtualized high performance Windows 7 desktops?

We are debating whether to add Client Hyper-V or VMWare Player Pro to new Windows 10 desktops later this year and have our developers run their developer tools in a Windows 7 VM on their local ...
1
vote
2answers
105 views

XenServer, mapping SAN LUN to VDI

I have a few XenServer 6.2/6.5 hosts, and ZFS SAN datastore, providing iSCSI exports for VM storage. It's not an optimal solution to export huge 1-2 Tb LUN as XenServer LVMoiSCSI SR, because: a) no ...
0
votes
1answer
18 views

Is it possible to transfer OpenVZ VPS image to XEN platform?

I'm having a memory related issue with my vps on openvz platform and I guess that my hosting provider is overselling RAM. So, I'm thinking to move on a xen platform since ram cannot be oversold but I ...
0
votes
0answers
13 views

migrate xen server to new HDD

I have a Xen Server with multiple VMs that are mirrored with DRBD to a Backup Server, and it's running out of space. I want to migrate it to a bigger Harddisk, but I'm not sure about how to go about ...
0
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0answers
15 views

libvirt: can it provision network interfaces where the network backend is running in a domU rather than dom0?

Thanks to a great blog post, only slightly out of date [1] I've managed to configure a dom0 which has no networking at all: physical network interfaces are passed through to dedicated domU guests ...
2
votes
0answers
28 views

Security concerns w/ physical vs virtual network gateways [closed]

I am in the process of setting up a private network that uses a gateway system for access to certain services on systems behind the network, e.g. ssh, ftp. I have some experience using virtualized ...