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

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XenServer move VM Failed

We currently are running our XenServer virtual machines off of an over extended Drobo unit and wanted to migrate a particular 600+GB VM off of the Drobo onto a newer Drobo, so I attached a storage ...
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1answer
829 views

xen Dom0 network setup on ubuntu 12.04.1 LTS

I read a lot of tutorials (or at least try to be) but none is able to explain well how to configure networks for xen host. my Dom0 has two interfaces eth0 (real interfaces) and virbr0 (I guess was ...
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2answers
840 views

XenServer 6.0.2 and Cisco 3550 vlan configuration

I am running a couple of xenserver 6.0.2 hosts with multiple vm's on them. All the xen hosts have 4 physical network ports connecting to the cisco. Each port is untagged in xen but is tagged to a vlan ...
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1answer
108 views

Trouble with port 80 nating (XenServer to WebServer VM)

I have a rent server running XenServer 6.2 I only have 1 public IP so i did some NAT to redirect ports 22 and 80 to my WebServer VM. I have a problem with the port 80 redirection. When i use this ...
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2answers
1k views

CentOS 7.0 as DomU in XenServer 6.2 SP1; cannot run with PV drivers?

It appears that CentOS 7 cannot work with paravirtualized drivers with XenServer 6.2 I’ve installed one PVHVM guest with the xs-tools package but the drivers fails to connect at bootime. I got this ...
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2answers
1k views

Xenserver boot error

I'm trying to get Xenserver 5.5 running on a spare computer here, hardware specs: Intel Q6600, 4GB Ram, and Gigabyte GA-P35-DS3R motherboard Xenserver itself installs fine onto a 150GB sata hdd, ...
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1answer
137 views

XenServer HA (failover VM's) without shared storage

In the university from Uruguay where I work, we have 2 IBM BladeCenter S with 4 server blades each one. Each blade have XenServer 6.2 installed and working. Our idea is have each BladeCenter in ...
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17 views

Migrating a dedicated Win2003 server to XenServer

We have an old Windows Server 2003 machine that is in extremely bad shape. We also have a pool of XenServer machines. Since the Win2003 server still hosts a few rarely used databases I'd like to ...
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1answer
1k views

How to use more than 3 virtual disks in Linux using CentOS and XenServer

I've attached 5 virtual disks to a Virtual Machine in Citrix XenServer. The VM has the xs-tools installed. Initially it said that it couldn't add so many disks. After I installed the xs-tools, it ...
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1answer
29 views

XenServer 6.2 crashes everytime I try to install a new Windows 7 x64 vm

I'm running XenServer 6.2 with all patches and updates on two boxes. One box is an intel core i7 2600K.. works great. My latest box is an AMD A10 APU.. and everytime I try to install Windows 7 OS as ...
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2answers
275 views

xenserver snapshot chain too long

I've been running a XenServer 6.2 server for a month or so and recently one of my VMs will not perform snapshots. I receive the error "The snapshot chain is too long" although I have removed all of ...
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10 views

Opening a port range using Open VSwitch

I am locking down a VM on xenserver to allow only port 3389 and the ports required for domain controller authentication on windows. I am trying to do this using Open VSwitch. Locking down and allowing ...
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1answer
27 views

booting straight into xen VM

I have a need to convert a bare-metal machine to a virtual-machine (via VMware converter). This part has been done successfully. I have then been asked to convert the vmware image to a XEN hvm. The ...
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1answer
40 views

How to reclaim space in Citrix Xenserver's root filesystem?

On Citrix Xenserver 6.2, when the root filesystem is about to be full, what can be done to reclaim space? So far, I deleted logs but I'd like to go further. Is it safe to delete files in ...
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1answer
787 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'. ...
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1answer
168 views

XenServer internal network speed

I have just configured a XenServer 6.2.0 (based on CentOS) host in a server with 2 high-end processors, 256 GB RAM and SSD storage. The distribution is up to date. We set up several virtual machines ...
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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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1answer
739 views

Kernel parameters mem and dom0_mem in XenServer 6.1

We are running XenServer 6.1 in production, and recently had OOM-killer fire and eventually take down one of our blades. I noticed that in the kernel logs from the oom-killer instance that it seemed ...
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284 views

XenServer IP Failover OVH not working

I have got problem on XenServer with IP FailOver in OVH. I did everything what is in this official tutorial http://help.ovh.co.uk/BridgeClient and IP not working. On my VM is Debian 7 64bit I set MAC ...
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2answers
48 views

How to block a VM from accessing other machines on network - XenServer

This might be a little far fetched and might not be possible. I have a virtual machine that will have files on that I don't want people to be able to transfer off - they are allowed access, I just ...
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1answer
30 views

XenServer Hotfix XS62ESP1005 - Which device drivers to update?

I am updating my XenServer 6.2 installation with all the latest hotfixes and according to the notes I need to update my device drivers before restarting the server. When I go to the page with the ...
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4answers
2k views

Boot Clonezilla with XenServer VM

I'm currently trying to move a RHEL based server to Citrix XenServer (5.6) VM. My plan was to use Clonezilla LIVE CD, which i have had good suceess with to clone physical to physical before. So i ...
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1answer
184 views

IPv6 Routing / Subnetting

Recently I have installed Citrix Xen Server 6.2 on a machine. My Provider (Hetzner) gave me the IPv6 Subnet 2a01:4f8:200:xxxx::/64. Followed an article in the providers wiki (1) i got it working and ...
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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
43 views

XenCenter no OS boot parameters field

I just recognized, that 2 of my 10 VMs in XenCenter have a slightly different properties window. In these two VMs I cannot set OS boot parameters, because in the window I can only set the boot order. ...
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1answer
1k views

The VM could not be imported; the end of the file was reached prematurely

please any one help me I have xen server 5.6, i tried export the VM's from it to xen server 6.0 using xen centre, so I import .xva files into my desktop then i tried import it to xen server 6.0, this ...
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66 views

XenServer 6.2 Read Only and Slow Disk I/O

I virtualized a datacenter a few months back and we have a pool of 3 HP DL360 G5 servers, each with 32GB of Memory and dual Intel Xeons. Recently we have been experiencing 2 issues, the first of which ...
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2answers
46 views

What could be wrong with my XenServer iscsi configuration after a recent power outage

We just experienced a power outage due to a lightning storm. Outage was long enough to restart servers and switches. We have 2 XenServer hypervisors running in the same pool. At first, both of them ...
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1answer
36 views

Active-passive xenserver bond availibility after stacked switch failure

Citrix documentation for Xenserver recommends that when physicals NICs participating in an active-passive bond, need to be connected to different switches, the switches must be stacked.. Would the ...
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1answer
60 views

Restore from XenServer LVM ddrescue image

the disks in my xenserver are dying. I could rescue some of the lvm volumes with ddrescue. Now I setup a new xenserer and I wonder how to restore from the rescued images. Anyone has experience with ...
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19 views

Replacing the main xenserver disk but retaining the vm storage

we have a simple xenserver host with a 2TB disk and a bunch of vm guests on it. I would like to add a new small 60Gb SSD drive and reinstall xenserver on it, but I don't want to lose any of the VM ...
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24 views

Capturing video of virtual console output of Xen vm

I would like to capture the video output of virtual machine running on Xenserver from boot-up and through reboots. I know I can capture the video by capturing the output of an assigned VGA adapter, ...
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1answer
69 views

XenServer 6.2: unable to detach NFS mount

We recently lost an NFS server. It was used to export a drive with ISO files for use in XenServer patching / updating / etc. The server has been replaced but the mounted drive can't be removed from ...
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28 views

XenServer IOPS read

I'm trying to retrieve some performance statistics from several Citrix XenServer installations (with versions from 5.5 to 6.2). What I need exactly are IOPS (read and write). Trying to use iostat on ...
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3answers
821 views

Is there option to provide IP address while cloning a VM itself in XEN

I use XEN virtualization platform. I have configured its networking in xenbr0 mode. I have set up one base VM and I am cloning it to create new VMs by using virt-clone command. My question is there ...
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1answer
59 views

Citrix Xen Server 5.6: Virtual Machines (VM) Deleted or Gone Missing?

In my environment I have a Citrix Xen Server (ver 5.6) with multiple VM's setup in my lab on a local partition mount. I arrived to my lab setup last week to find that my VM's have gone missing. The ...
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1answer
31 views

OSSEC - Multiple VM's on a single DELL blade (XenServer Hypervisor)

I have a DELL blade with ~100 VM's (with a Citrix XenServer 6.1 hypervisor), all with ossec agent connected to a ossec server outside that same blade. I have a bit of a problem: they all run rootkit ...
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1answer
146 views

Xen Server 6.2 Upgrade to SP1

I installed Xen server 6.2 and I am currently playing around with it. I managed to install 1 vm, and I have applied all hotfixes available up to the Service Pack 1. That specific patch gives me an ...
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1answer
65 views

Cannot communicate with network on second NIC

I am running XenServer 6.2 with two NICs on separate subnets: xenbr0 : 192.168.1.50 xenbr1 : 192.168.0.50 The .1.50 NIC communicates with an internal network and works perfectly. The .0.50 is ...
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2answers
109 views

Boot xen server through ipxe

I'm want install Xen Server 6.2 though ipxe, I tried different configurations, no luck making to work until now. I found some may example to boot from pxe using TFTP server, and here is an example: ...
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1answer
74 views

Install xenserver on iscsi target

Is is know that Xen Server is based on CentOS, and it is fact that CentOS can be installed on an ISCSI target flawlessly, but I wanted to install Xen server on an ISCSI target I couldn't find a way. ...
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3answers
970 views

How to use iSCSI MPIO to increase bandwidth with XenServer?

I've a FreeNAS Server with four network interfaces. The iSCSI traffic goes through two of those interfaces, and each interface has one IP address in a different subnet. As example: igb0: ...
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69 views

XenServer Console

I just follow this tutorial to access XenServer Console. I can run the first example, and it's working fine, but for the second example it's not working. I cannot access to console with a java ...
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2answers
8k views

Xen server VM's don't see network?

We trying a Xen server, and have a very strange issue, one that never happened to us on open-source Xen. The VM's created on Xen do not see the network outside the host. They do can ping each other ...
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1answer
183 views

XenServer 6.2 guest network configuration

None of VMs I tried to install can't reach internet. I have Xensever 6.2 installed on a server with single NIC, which can be accessed via 2 public IPs. XenServer can ping google.com and seems to be ...
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35 views

Error in XenServer iSCSI SR Creation (SR is not available)

I have a XenServer 6.2 with a Debian 7.5 VM which i use as iSCSI target. I have my target reachable by portal but i would make a Storage Repository available in my XenServer pool. Unfortunately, ...
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1answer
42 views

Fresh install of Xenserver 6.2 , cannot load tools in Guest Win7

I've just started testing the XenServer 6.2 offering.. it's awesome so far.. I've event loaded all the patches and hot fixes, and started a windows 7 guest image. I want to install tools, but ...
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24 views

Automatic switching of network card when vm is moved

I have two hosts in a pool and I used to be able to move the vm around and they will start without any problem. But after I played around with some network setting, which I don't remember what, I ...
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1answer
2k views

Failure connecting to Dell MD3200i from XenServer 6.2 pool

This question also asked at Citrix Forums http://forums.citrix.com/thread.jspa?threadID=332289 I have a MD3200i that is currently working fine with my Xen5.6 pool, but I cannot get a connection to ...
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1answer
108 views

Copy an Amazon EC2 Instance to use locally

Ok, so we have a spare server I have installed Debian Wheezy on, and setup Xen on for virtual machines. It has better performance than all our ec2 instances combined, and will cost less to run (for a ...