0
votes
0answers
7 views

Are Xen 4.1 virtual machines compatible with XCP?

I have a couple of vm installed with Xen 4.1 (basic Xen Hypervisor), now I would like to install XCP packages on my wheezy server. I've read that XCP took control of the server disks and network ...
0
votes
1answer
177 views

Can I use XenServer GPU Pass-Through without XenDesktop?

XenServer documentation only covers using GPU Pass-Through ("vGPU") to run XenDesktop's "HDX 3D Pro Graphics." XenServer GPU Pass-Through cannot be used with the XenCenter VNC console and it does not ...
0
votes
1answer
50 views

How does creating multiple virtual machines affect performance of a Dell Server? [closed]

Say, a dozen applications have to hosted on a single Dell Server using open source technologies like XenServer. Some of the applications are resource intensive while others are not. What should be ...
2
votes
1answer
151 views

Hotplug scripts not working xen [closed]

I am using CentOS 6.5 64 using this script to install xen on server yum install http://fedora.cu.be/epel/6/x86_64/epel-release-6-8.noarch.rpm yum install centos-release-xen yum install xen ...
0
votes
1answer
97 views

Configure GRUB on XEN VPS

I have a xen VPS with debian 7 x86_64 installed on it. The operating system comes with GRUB2 installed on it. The problem is that while runnnig apt-get update apt-get upgrade -y GRUB says The GRUB ...
0
votes
1answer
56 views

Intel VT enable but not found in xenserver

I have an IBM 206M with this CPU --> Intel Presler Pentium D 950 Socket LGA 775 P4D 3.4 Ghz 800Mhz FSB 4M Cache EM64T. It has Intel Virtualisation tecnology. But when i want to install xen server, the ...
0
votes
0answers
32 views

How does Xen resize VMs without shutting them down?

I'm experimenting with Xen on a spare machine and I noticed that it can resize the RAM and CPU allocations of my VMs without shutting them down first. VirtualBox, VMware Fusion, etc. can't do the same ...
0
votes
0answers
13 views

How can I see which Xen guests are using which cpu pools?

xm cpupool-list will show how many domains are on each cpupool xm cpupool-migrate will move a domain to a different pool But I can't find a command to show which cpupool a domain is using, or which ...
0
votes
0answers
45 views

Xen (SolusVM): Guest Windows partition is not auto-allocating free space

We are creating guest VM on Windows Server 2008 from the template we've built before but when we are giving our guest VM more disk space from the beginning it's not auto allocating that space. So when ...
0
votes
0answers
214 views

XenServer open vSwitch performance downgrade

I'm trying to capture part of an inter hypervisor traffic between 2 virtual machines running over XenServer 6.2. I want to mirror some TCP sessions to a 3rd virtual machine with minimum affect to the ...
2
votes
2answers
449 views

Error running xe sr-create

I'm trying to add a new SATA drive (SSD) as a local SR. XenServer may have seen the drive before, but I don't recall every doing anything with it. I'm attempting to run this command: xe sr-create ...
1
vote
0answers
456 views

CentOS 6.5 Xen Virtual Machine Issue 'this function is not supported by the connection driver'

I am trying to segment my system into a number of virtual machines but just cant seem to get this to work. I think I am close but not quite there. I have install xen, virsh, xl etc and I am using ...
1
vote
0answers
56 views

How can I export a XenServer virtual machine with all its snapshots?

Is there a way to export a virtual machine running on XenServer with all its past snapshots? I have tried to export a VM through XenCenter (right click on the machine and "Export..."). After importing ...
1
vote
1answer
101 views

HP ProLiant DL160 Gen5 Virtualization

we want to create some vm's on older server. Its an HP ProLiant DL160 Gen5 with an Xeon 5405. So by the intel specs (http://ark.intel.com/products/33079) the cpu included the VT-x technology. But ...
0
votes
1answer
95 views

XEN configuration on dedicated server at 1&1

I am just trying to install first time VPS on my dedicated server from 1&1 (12HT CPU, 30 GB RAM). The dom0 is using DHCP to get it's network configuration with ip 87.106.73.113 on eth0. I have ...
0
votes
2answers
193 views

Setting Up Xen and Network Bridge on Debian 7

Setting up Xen and Network Bridges on Debian 7 Hi there. So i am finally going to try out some virtualisation on my new dedicated machine, however i am having some problems / confusion on setting it ...
0
votes
2answers
696 views

XenServer Shared Local Stage

I am new user of XenServer 6.2. I have multiple servers connected to Pool/Cluster. Each server has 4 HDD with sw raid10. I would like to make local storage shared because of need quick migration. ...
0
votes
0answers
71 views

opensm reports - Invalid requested MGID. What does it mean?

I've been working on a virtualized SR-IOV infiniband interface under Xen. If I run the OpenSM daemon under Dom0 IPoIB appears to work in the passed through VF. However, opensm starts using a lot of ...
3
votes
1answer
373 views

How to get virtualized SR-IOV Infiniband interface UP?

I've spent several days on this now and I've managed to get SR-IOV working with the Mellanox Infiniband card using the latest firmware. The Virtual Functions appear in Dom0 as 06:00.1 Network ...
0
votes
0answers
423 views

XenServer giving bridge access to guest using Private Network

I have two networks configured in XenServer 6.2: Production - Private Network Management - Private Network For each guest, I have two NIC's, one per network. None of the guests should have ...
0
votes
1answer
2k views

How to change boot device on vm installed on Citrix Xen Server to DVD

I have installed Centos 6 on my new Xen Server (XenServer release 6.2.0-70446c). Everything went smooth. System is working fine but now I want to change boot device on that VM to boot from DVD (iso ...
2
votes
2answers
126 views

Why would you use Xen as opposed to OpenVZ for trusted Linux-only host/guests? [closed]

Every time I need to create VPSs out of one of our machines, I (re)think the virtualization technologies, and seem to end up with OpenVZ being the most suitable for performance reasons when all I want ...
0
votes
0answers
78 views

Citrix XenServer maximum guest vMemory / vCPU

I am trying to find out what is maximum virtual memory available to VM with Xen Hypervisor. Virtualization Matrix and Xen User Guide tells that 128 GB is maximum vmemory for guest but is it true? Has ...
0
votes
1answer
303 views

Proposed Network Design for DMZ with Server Virtualization?

I have the following proposed network design that I will be implementing. All connection for server and PCs are connected through an All in One cisco firewall Only one high end server will be used. ...
0
votes
1answer
686 views

XenCenter cannot connect to XenServer

I am trying to establish a connection using XenCenter 6.0 to a server where XenServer 6.0 is installed, but it gives me the following error message: Unable to connect to server '192.xxx.xxx.xxx'. ...
2
votes
1answer
88 views

xm re-create configuration file from existing vm

I have Xen set up and working quite nicely. When I reboot and use: xm list I get this output: Name ID Mem VCPUs State Time(s) Domain-0 ...
2
votes
1answer
173 views

SAN: is it better to have separate LUNs for operating system and data of virtual machines? [closed]

We have an iSCSI SAN that will be used as backing store for virtual machines. We use Xen and will directly present the LUNs as block devices of VMs (so there is no file system with files on it for ...
1
vote
2answers
1k views

How do I configure Xen's virtualization of interfaces (eth0 to peth0)?

I installed Xen a while ago but had not yet booted up with the hypervisor. Well I did yesterday and all hell broke loose. I completely lost internet connectivity on my server because of Xen. When I ...
0
votes
1answer
53 views

Xen dom0 and domu ifconfig returns different stats

I expected that when I use ifconfig command to display network traffic RX and TX values both for dom0 and domu machine, there are differences. I run once ping inside the domu. domu ifconfig command ...
15
votes
4answers
1k views

What are the benefits of “enterprise-level” virtualization?

For a company with modest virtualization needs - VirtualBox is currently doing fine at hosting a few light servers - what would some of the benefits be of moving to a more robust platform? I'm ...
0
votes
0answers
127 views

Why does Xen fail to create domUs/start the virtual network interface?

I have received two errors while trying to create a new domU on Xen. First, I received this error: Unable to complete install: 'POST operation failed: xend_post: error from xen daemon: (xend.err ...
1
vote
1answer
294 views

Booting Ubuntu 12.10 guest on Debian 6.0.4 Xen with pygrub

I'm trying to run a Ubuntu 12.10 off a Debian 6.0.4 and Xen-4.0. I realised that pygrub might not be able to parse the menu.lst (I symlinked menu.lst to grub.cfg in /boot) and ended up with this ...
0
votes
1answer
98 views

Split management network from data in Xen Server

I'm working on configuring our existing pool of four hypervisors running XenServer 6.1 to use a separate management network. Currently the setup is a single link with a public address over which all ...
1
vote
1answer
143 views

Changing the mac address in a libvirt xml config file breaks network connectivity for the guest

I'm using Xen with libvirt and trying to set it up on a bridged interface. I am able to install an OS and everything works as I would expect. If I save the xml output from "virsh dumpxml guest", edit ...
1
vote
1answer
62 views

Always use Xen? [closed]

I'm installing the usual bunch of servers for general office stuff, a mixture of Windows/Sharepoint and Linux Since none of these need direct access to the hardware, fancy graphics or are really ...
1
vote
3answers
285 views

hypervisor performance when running from USB

Just wondering if there is any performance impact / degradation when running from USB key I'm planning on using KVM or xen, since my servers doesn't have on board raid controller, I'm planning on ...
0
votes
1answer
515 views

Install Ubuntu Desktop from ISO on XEN

I've got XEN Hypervisor running on Debian as my base system. I understand VNC and conceptually installing PV based systems on my hypervisor but I'm getting stuck starting from scratch on a ISO-based ...
0
votes
1answer
284 views

How do I change a xen vm storage from hda to sda?

I am trying to import an ovf appliance created for VMWare into our Xen infrastructure. The imported image uses hda rather than sda, and the appliance has some hard references that appear to be ...
1
vote
1answer
74 views

How to exit xen domu when using linux terminal

I usually use putty to connect on a xen domus. To exit domus after using "xm console", it's ctrl + 5 But how can I exit vm console on linux terminal?
1
vote
1answer
146 views

mkfs.xfs on EBS volume as non-root user on AWS

I've set up a udev rule to attach a particular EBS volume as owned by a user, and this works. Here are the permissions on the device node after the volume has been attached: brw-rw---- 1 myuser ...
1
vote
0answers
53 views

OSPF on XEN host running several VMs

Is it possible to set OSPFs areas in a XEN environment to setup a virtual cluster? Main intention is to avoid a external router since all VMs will run inside the same machine.
1
vote
1answer
205 views

Xen: iSCSI initiator in dom0 VS in domU with BCM5709 ethernet cards

In the future we'll move from local storage for our VMs to an iSCSI-based solution. Our server vendor supports Broadcom NetXtreme II 5709 cards with dual gigabit ports and TOE + iSCSI acceleration. ...
0
votes
2answers
174 views

No PV option for xapi?

I have installed xcp-xapi on my Dom0 server. When I tried to create a VM, I found there are no options for me to create a PV VM based on existed kernel, initrd image and qcow2 disk image! Anyone can ...
4
votes
1answer
262 views

How do I make all Xen guests use their host clock value?

I've set up Xen server under Linux with several guests running, and all was well. After some time I've noticed the clock on the server drifted away, so I installed 'ntpd', and the clock was back to ...
3
votes
1answer
579 views

Straight-forward to Virtualise with XEN or KVM on IBM Server System x3650 M4 791562G?

I want to built a virtualised Server Environment using XEN or KVM. The virtual machines should be purely debian systems - so XEN or KVM should be a sane choice. Now while buying servers, I am ...
1
vote
1answer
816 views

How to limit excessive CPU usage from guest OS in KVM

On Xen it is easy as we have CreditScheduler [1], so on a machine with each guest OS sharing only portion of CPU, e.g. 6 guests running on top of a dual core CPU, excessive CPU usage is prohibited. ...
0
votes
2answers
762 views

Is it possible to share 4 cores single CPU among 12 virtual machines on Xen?

I have to host about 12 virtual machines on Xen server. all of them are very lightweight Linux machines. Means not resource intensive. I have a xen server with single CPU with 4 cores. so is it ...
1
vote
0answers
89 views

How do VM gets ram from Host machine in virtualization? [closed]

In Virtualization how do all the vm gets RAM? Does the Hypervisor allocate a portion of its RAM to each VM so that they can simple use it as its own RAM?lets say if a host machine has 8 GB RAM and ...
1
vote
2answers
211 views

Is there a way to create virtual network between vm on xen with out creating shared bridge with n/w interface

xen 4.1.2 is running with ubuntu 12.04 as dom0. I need to enable networking between vm only(which means not creating a bridge between Ethernet card and sharing among vm). when i installed ...
0
votes
2answers
201 views

solaris 11 express hosting vm's

I have been trying to wrap my head around this one. I have not seen a decent yes/no or how answer yet. I have a solaris 11 zfs server I want to host 2 or 3 vm's on it and have them use a loop network ...