XenServer is the virtualization platform Citrix has built around the Xen Hypervisor.

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Generalized strategy for file server virtualization in Xenserver [closed]

I'm not shopping as much as I'm looking for some guidance on good idea / bad idea strategies. I'm sure I'm not in the "best practices" budget range. Currently, I have 3 dell poweredges running ...
1
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1answer
239 views

XenServer and Quiesced snapshots

At work we use XenServer to administrate all the VM's. Now I wrote a script which enables Linux machines quiesced support. The script works absolutely fine. It activates if someone triggers a quiesced ...
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0answers
494 views

Access All VLANS over XenServer Interface

For my current setup, I have a physical NIC on a XenServer machine that receives traffic tagged with various VLAN IDs. I have a virtual machine that is running Vyatta that needs to be able to access ...
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1answer
111 views

How do you initialize networking on a new Xen guest VM?

We have a Citrix XenServer setup, and while I personally lean more towards Dev than Ops, I've got an issue that's been bugging me. When you provision a new (Linux/Ubuntu) guest, how do you get it to ...
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2answers
437 views

Clustered file systems as XenServer storage

I want to use shared storage for a XenServer environment with 4 host servers which are running various VMs under XenServer. Planning to use 2 extra servers as storage with high availability of some ...
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3answers
2k views

Xen hypervisor 4.1 Kernel Panic on Ubuntu 12.04

I have a fresh Ubuntu 12.04.1 amd64 server install following this guide I have used LVM option used all disk and make 2 LV /dev/mapper/vg-root / (80GB) vg-swap swap (4GB) now i install xen with ...
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2answers
1k views

Shrink a Windows VM in XenServer

I faced a problem. I deployed a VM by size of 500GB on Citrix XenServer and now I want to shrink it, because I don't have enough space for snapshots. Now I want to perform an export/import to do this. ...
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1answer
2k views

Xenserver 5.6 SR_BACKEND_FAILURE_47 no such volume group, but it is there

I've looked everywhere (Google, here, a bunch of other sites), and while I have found people with similar problems, I couldn't find a single one with a solution to this. Last night our xenserver 5.6 ...
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1answer
614 views

How can vms be assigned to physical cores or threads in xen

I am having intel EX5620 Cpu which has 4 Cores and 8 threads. cat /proc/cpuinfo is showing 8 cpus. From xen's wiki page they are saying its better to assign each vm to cpu core for better ...
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1answer
995 views

Trying to re-attach CIFS ISO share, XenServer SR_BACKEND_FAILURE_222

My CIFS mount for ISOs stopped working recently. I tried to detatch it and re-attach it, however I get the following error: http://imgur.com/0R47r I tried looking this error up, however I cannot ...
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1answer
3k views

Citrix Xen VM's lose networking

My client has a XenServer 6.0.2 installation with 2 Window Server 2008 R2 virtual machines. Whenever the virtual machines are rebooted they lose their IP settings (IP address, subnet, gateway). Each ...
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1answer
490 views

Difference between Xen XCP ISO install and apt-get install xcp-xapi

I just got some new hardware and am planning testing out the Xen hypervisor and Xen Cloud Platform (XCP).. more specifically, I am using a intel i5 3470, H77 chipset, 16GB RAM, and 2x2TB Hard drives ...
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3answers
2k views

How to makesure VM is in Para virtualization mode on XEN?

I am having a server running XEN,with ubuntu 12.04 as Domain 0. Intel VT is turned on by default and i dont want to run any Windows OS as VM. So 1. how can i makesure that all the created VM will ...
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4answers
3k views

Managing XenServer and its Virtual Machines Remotely

I have a dedicated server in a data center and I want to install XenServer for virtualization. XenServer will be running 2 or 3 virtual servers, all of which will be using Public IP's along with a ...
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0answers
512 views

Change xenbr0 bridge name in XenServer

I want to setup a bridge in XenServer with a name other than xenbr0 , for example cloud0. I edited those files and their contenent so they can handle a bridged connection: ...
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4answers
2k views

XenServer and ZFS via NFS

I'm trying to connect a NFS share to XenCenter. The NFS server is a ZFSGuru distro (uses FreeBSD). The zfs volume was exported like this: /sbin/zfs set sharenfs="on" temppool/share According to ...
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2answers
191 views

Xenserver: One VM crashed, xe not reacting any more

We are running a xenserver. One VM crashed, the other VMs seem to run normally. But now we can not restart this VM any more. Not even xe-toolstack-restart is showing any reaction any more. We do ...
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1answer
845 views

Share IP from Xen (XCP) Dom0 to DomU

The situation: Xen Cloud Platform installed on a dedicated server. It is assigned a batch of IPs. I want to create a CentOS 6 VM (domU) that is running a WHM/Cpanel install, and has access to the ...
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1answer
108 views

How does a VM hosted on xen knows that it is in a virtualized environment [closed]

I have read that in para virtualization hosted virtual machines are aware that they are being virtualized, and this allows them to increase their performance. But, how does the hosted machine know ...
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2answers
268 views

Can any one clarify this on xen cloud platform/xen server

As per XCP documentation, Xen Cloud Platform host is a 64 bit x86 server-class machine devoted to hosting multiple VMs. on blog.citrix.com they are mentioning about dom0 as It should be noted that ...
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1answer
556 views

Windows Server 2008 R2 Standard to Enterprise Problems

A few months ago I setup a Citrix XenApp cluster running on Windows Server 2008 R2 Standard Edition using the temporary 180 day license key. Recently the company bought a Windows Server 2008 R2 ...
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1answer
124 views

Virtualization - Windows guests on Linux host? [closed]

Check my previous question. I am now looking at specifics relating to enterprise virtualization. I have done some research into Citrix Xen Server and VmWare vSphere. I need to know whether it is ...
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1answer
279 views

can xen server be configured to address more than 4 GB for host machine

Can xen server be configured to address more than 4Gb RAM. Since its based on a 32 bit kernel,is it possible to address more than 4GB ram.I have heard about PAE can it solve this? Will changing the ...
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2answers
418 views

Creating tmpfs file system in xen server to store VM

i want to create a tmpfs file system for one of my vm to run on,using XEN Server. On the host machine i tried this but is not working,. xe sr-create device-config:device=/dev/shm name-label="RAM" ...
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2answers
2k views

XenServer/Center: Shared SRs for hosts not in same pool?

I would like to use the same SRs on XenServer hosts that are not able to be part of the same pool (because of not having the exact same cpu feature set, if I understand it correctly) in order to share ...
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3answers
8k views

Time to live exceeded, result after pinging the gateway from host in one subnet

I got a server with XenServer 6.0.2 and this server has 3 nic with 3 different ip addresses, because I am using 3 different subnet The first 2 card are working and from the first 2 subnet I have ...
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1answer
916 views

IP setting in CentoOS 6.2x64 by XenCenter 6.2

I have setup a Guest CentOS virtual machine in Xenserver.. I have updated the Xentools but i cannot find the option to config my IP Address which is showing to be 'unknown' currently. All i need to do ...
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2answers
341 views

Why Xen Cloud Platform XCP is not offering every feature as promised? [closed]

I have installed XCP (Xen Cloud Platform) 1.1 on my machine and installed XEN Centre (version 6.0) on my windows xp i created VM and its running just like in XEN server Free,but its not allowing to ...
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1answer
318 views

Security risk of XEN Server Free with public ip? [closed]

I am having a dedicated machine,from some hosting company and i have KVM access to it i wish to virtualize it using XEN's bare metal hyperviosr,(XEN server Free). Will it be possible to manage VM's ...
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1answer
184 views

xenserver, fedora guest ext grow ext4 partition

I've got a partition on a guest fedora system running in xenserver. Originally the size of the partition was 400GB. I recently extended the size to 600GB. It now shows in the xenserver console as ...
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1answer
231 views

Is it possible to use the AOC-SAS2LP-MV8 HBA (Marvell 9480) on XenServer?

If not, is there any other hypervisor OS that supports them? Marvell 9480 has drivers for RHEL/Fedora, so i think that they should work even under XenServer. I don't know how.
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1answer
3k views

Where are the VM .cfg files on XenServer 6?

Background: I am attempting to use PCI passthrough to utilise a PCI-E card in a VM. I have a freshly installed server (which supports VT-d, and has it enabled) with XenServer 6.0.2 on it, and have ...
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1answer
432 views

XenCenter can't connect to server; missing methodResponse element

I'm trying to connect to the server (which I can ping successfully) in XenCenter but I keep getting an error that states "Response XML not valid XML-RPC - missing methodResponse element" . I tried ...
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1answer
525 views

XenServer 5.6.0 / XenCenter not allowing SR to Windows 7 share on Domain Controller for ISO's

I'm unable to get an SR made using command prompt or using XenCenter's interface dialogs. Here is the command I'm issuing: xe-mount-iso-sr //<mycomputer.domain.controller>/iso_share -o ...
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1answer
136 views

xenserver 5.6 without raid [closed]

The domU in my environment is a xenserver 5.6 fp1 installed on a regular desktop with intel board and i3 processor. I have 8GB or RAM installed and 1 500GB SATA HDD. Obviously, i don't have RAID and ...
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2answers
1k views

xenserver PV mode — lvm problems?

So, I'm trying to convert some domU's I have to use PV mode. xe-edit-bootloader -u ... -p 2 Finds the menu.lst no problem. The grub, boot, and root partitions are 1, 2, and 3, respectively. I ...
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2answers
2k views

XenServer VM's lose network settings

We deploy virtual machines using Citrix XenServer 6.0 for our clients. Two seperate clients experience the same issue: when a Server 2008 virtual machine is restarted, the static IP addresses ...
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4answers
1k views

Possible to host CentOS netinstall files on a local HTTP/FTP?

I'm running XenServer on an Dell R610 and am running into a catch-22. During install from DVD, CentOS can't find the DVD package catalogue. It's a reported error for some, XenServer + CentOS6 + DVD ...
2
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1answer
688 views

How to set get XenCenter to detect virtual cdrom drives?

I am attempting to help a client but I am a bit out of my depth, they have a XS6 dedicated server, and I have created a series of virtual drives for various distros, using isos we have. For example ...
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1answer
2k views

(VM)Win Server 2008 R2 is only showing one CPU but has 4 allocated

Xen Server 5.6 Sp2 The VM is Windows Server 2008 R2 Standard 4 vCPUs have been allocated The machine has been rebooted and has correct version of xen tools installed. In the device manager I see 4 ...
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3answers
5k views

Resize base XenServer 6.0 partition

I've extended my hardware RAID device on LSI MegaRAID controller by adding disks to the array. While making Linux notice the block device size change was not straight forward, I've found that one can ...
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1answer
6k views

Vm error during start up “hvm is required for this operation”

I have installed a new XEN server 6.0. I have created a new vm machine and select windows xp sp3 template. When i try to start this new vm an error appears with the following message "hvm is required ...
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2answers
359 views

Server crash mount XEN Server sata disk

Our Xen Server crashed and we try to mount the sata disk on an other linx to save the VM's. But unfortunately we are unlucky because the only thing we see is a lot of strange LV mounts. When we do an ...
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7answers
582 views

Centralized virtualization (ESXi, XenServer) in a completely Windows-free environment

I'm looking into deploying a small (one or two host servers) non-production virtualization initiative for our company. We need it to be high performance and host shared resources for a number of ...
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4answers
5k views

XenServer migrate machines between hosts

I have a XenServer 5.6 Free setup with 5 VMs (Windows and Linux) using about 1.5TB of directly attached storage. Because our virtualisation needs have grown a bit, we currently are preparing a faster ...
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2answers
191 views

XenServer 6 - Are Advanced features useful between Data Centers

We are purchasing two new dedicated servers. I originally had planned to purchase the XenServer 6.0 Advanced add-on which gives you the following features: Specifically these features Distributed ...
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1answer
1k views

Citrix XenServer, networking how

I am new to virtual servers, vlans. I am a programmer and have been assigned the task to make a stable storage server, i threw XenServer Free 5.6SP2 on an old box (HP ProLiant ML350 G5) set my ...
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2answers
3k views

Ubuntu server 12.04 on XenServer 5.5 - Won't boot from iso

I can't get the Ubuntu server 12.04 ISO to boot in XenServer 5.5. It is not a problem with the ISO or the share because I have used the iso to install locally and I can install other ISOs from the ...
2
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1answer
73 views

XenServer 6.0 Advanced - Is it an add-on or part of initial install?

I'm looking to purchase a new dedicated server and have XenServer 6.0 installed. There is an option to include XenServer 6.0 Advanced which has some additional features. However we don't need those ...
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2answers
1k views

How to enable reboot/shutdown menu on xencenter

I am using the latest XenCenter 6.0.2, On a Xenserver version 6.0.0 when doing a right click on the VM I get a menu that has options for a Shut down and Reboot. ON a server with XenServer 6.0.2 the ...