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

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Xen 6.2 - NIC bonding - LACP or active/active?

I have 3 XenServer 6.2 machines with 4x 1Gb NICs. Would I be better served by: putting these in an LACP bond at the switch putting these in an active/active at the xen server leaving them separated? ...
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316 views

How to increase CPU core speed of a guest to maximum of Citrix Xenserver Host

There is a Citrix XenServer 5.5 (HP ML370 G5, Xeon 2GHz) on this Server there is a Windows Guest (Windows 2008 R2 x64) under Properties I set 4 CPU Cores with max prio. But if I check with CPU-Z the ...
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427 views

Xenserver Error config does not exist in xenopsd

My xenserver was freezing at the splash screen on bootup, so I used the "fallback" parameter during boot. Now it brings me to xenconsole with the error at the bottom: "The server failed to handle ...
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60 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 ...
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1answer
766 views

Citrix Xen Live Migration without a pool

I have Citrix XenServer 6.2 Is it possible to use the xe vm-migrate command without having a pool? My command: xe vm-migrate vm=movetest host=newhost --live --force Error: Host newhost not ...
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104 views

Cobbler 2.2.2-1 XenServer 6.2

I tried to configure XenServer 6.2 to install via Cobbler. Importing and configuration via web interface fails on loading xenserver/xen.gz xenserver/vmlinuz xenserver/install.img I tried own ...
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2answers
3k views

Installing CentOS 6.4 on Xen 6.0: Install hangs on “Switching to clocksource hyperv_clocksource”

When I tried to install CentOS 6.4 on a Citrix XenServer 6.0, after I hit install, the installation hangs at "Switching to clocksource hyperv_clocksource" I have installed CentOS 6.0 without this ...
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1answer
2k views

How to unhide a VM in Xen?

After failed OVF import, I have some VMs which are appearing in XenCenter only if I enable Hidden Objects option in View menu. How can I unhide a hidden Virtual Machine in Xen Server?
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3answers
256 views

What are the benefits of having local disks on hypervisor nodes running VMs off a SAN?

When an hypervisor like XenServer or vSphere can be run on diskless nodes (eg. by booting from flash cards or from the network) and VM storage is handled via a SAN, is there any good use for local ...
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3answers
2k views

XenServer Performance

we've got 2 x HP DL360 G5s with Quad Quad Xeons 2.6GHz and 32GB of memory each running XenServer 5.5 and they access an OpenFiler box (with 8 x 320GB SAS 10K drives) via copper CAT5 (1GB) for the ...
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4answers
694 views

XenServer - on ISCSI?

I have a question about XenServer running on a ISCSI SAN If my XENSERVER dies, would I still be able to purchase a new server, install XENServer and then load up the existing VM's on the new server ...
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2answers
806 views

xenserver - install centos issue

I got a new server with xenserver installed on it and I'm using the xenclient remotely. Can someone let me know what URL I need to use to install from url for centos 5.4 x64? Alternative is to mount ...
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2answers
2k views

How to run a Turnkey Linux virtual machine on XenServer?

Turnkey Linux distributes Linux virtual machines in a Xen compatible format. I have a XenServer instance running and I would like to run a recently downloaded Turnkey Linux virtual machine on it. But ...
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76 views

Unable to get network on XenServer VM

I am trying to get the network on one of my VM configured: The following is the configuration: auto eth0 iface eth0 inet static address xxx.xxx.xxx.225 netmask 255.255.255.240 network ...
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2answers
852 views

Migrating XenServer VMs from Intel to AMD servers

I need to replace my XenServer 6.1 resource pool hardware. I currently run Intel hardware and I have to move to AMD hardware (corporate politics and budget stuff, blah blah blah). I have downtime ...
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158 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
103 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 ...
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2answers
731 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. ...
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1answer
563 views

XenServer 6.2 IPv6 routing

I'm having trouble setting up a new server (hosted at "hetzner") with latest XenServer 6.2. IPv4 is working fine, but I'm stuck at IPv6 Setup. What I got so far: xen: $> ip -6 addr 1: lo: ...
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1answer
326 views

How to configure Single-Server Private Network in Xenserver without using VLAN?

I would like to create a Single Server private Network on a Xenserver which will be used for communication between the host and the VMs. I am able to achive this by creating a vlan and configuring ...
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3answers
6k views

How to connect to xencenter console remotely?

I need to administrate xenserver remotely. I have redirected 443 port in my router and now I can administrate XenServer. But I need to create VMs, how can I use XenCenter console to see VM desktop ...
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2answers
826 views

RHEL Clones (Centos, Scientific, CERN) network installation on XenServer 6.2

I'm trying to install a Scientific Linux CERN 6 guest on XenServer 6.2 through the network with PXE Booting but it hangs in the message: mounting /tmp as tmpfs... done I'm not using the most ...
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1answer
189 views

iSCSI Storage with Broadcom BCM5709 Offload in XenServer 6.2

I'm in a process of migration from ESXi to XenServer. But we can't add our iSCSI Storage via Hardware HBA in XenServer 6.2. I've tried to manually load bnx2i and cnic modules via modprobe but it has ...
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443 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 ...
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1answer
854 views

Need clear steps on how to convert a Windows 2000 Server to a XenServer VM

The source system is not local. The target host running XenServer is not local. The source system is running Windows 2000 Server SP4 and has 1 disk split into 6 partitions, all NTFS: C: 6 GB (boot) ...
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170 views

FreeBSD XEN kernel not booting in XenServer 6.2

I have a XenServer 6.2 host, and I am trying to get a FreeBSD-9.1-i386 guest to run in PV mode. The installation of the guest is fine, but after a reboot with the new kernel the system does not boot. ...
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1answer
465 views

CentOS does not recognize new RAM or memory that was added to server

I am running CentOS 5.9 i386 on a Citrix XenServer 5.6. I installed CentOS with 3GB memory, 2GB swap. I later wanted to add more memory, so I shutdown the server and configured the VM for 8GB. After ...
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1answer
307 views

How to keep iptables organized in Xenserver?

I need to use a couple of iptables rules to allow ports for additional services and implement some NATted services. In /etc/sysconfig/iptables it says not to edit this file directly. I understand ...
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1answer
5k 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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1answer
1k views

XenServer 6.2 fails to boot on IBM System x3550 M2

I'm trying to install XenServer 6.2 on a IBM System x3550 M2 but it simply doesn't work. The installation process works fine in the internal Seagate hard disk, but the machine fails to boot XenServer ...
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3answers
4k 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
99 views

Accessing VM over VPN is very slow

We have a single physical server running XenServer 6.2 which hosts an SBS 2008 VM and 2 CentOS 6 x64 VMs. External users connect to the local network via VPN on the SBS VM. They can access ...
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138 views

Installing Xentools on Openfiler 2.99.

I've been attempting to follow this link. http://www.juggled.co.uk/archive/latest/xstools4openfiler.html Had to install rpm from a different repository due to rpm.conoary.org not being accessible. ...
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1answer
308 views

Trouble creating VDI's in xenserver

Xenserver running on an HP ML350 G5. Raid5 with 5x2tb drives plus hot spare. Local storage is there showing usable 7.5 tb. Under xencenter I went to local storage, storage, virtual disks. I ...
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1answer
511 views

PXE Installation of XenServer 6.2

I've added XenServer 6.2 to our PXE/TFTP server. Everything went fine, but I cannot install XenServer as is. We get the XCP version instead of XenServer 6.2. Is this supposed to be normal? Here are ...
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289 views

Citrix Xenserver Bond Disconnected

I've got a bit of an issue with our Citrix Xenserver system (were still running 5.6) Last week we had to dismantle our server racks due to some required building work. Since reassembling one of our ...
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1answer
246 views

Citrix VDI-In-a-Box Taking “Milestone Snapshots”

We're using Citrix VDI-in-a-Box, with XenServer on the back-end. I noticed in one of my deployed images, either XenServer for VDI in a box is creating snapshots automatically. The snapshots are listed ...
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1answer
407 views

How to change disk controller of a VM running on XenServer 6.2?

I'm running a installation of XenServer 6.2 where I've imported a .ova. The .ova is an image of a linux-system from a previous vmware esxi environment. The problem is that since the linux-image ...
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1answer
351 views

How can I install a new xenserver dom0 kernel?

Since Citrix released the full source code to xenserver 6.2 I've been evaluating it. It's works very well, but there is only one problem that I haven't solved. Unfortunately, Citrix do not supply the ...
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2answers
3k views

XenServer 6.2 Yum Repository

I installed a clean XenServer 6.2 from the ISOs provided here. I want to compile a driver against this system and need to install make and sources and so on. If I do yum install make I get ...
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1answer
174 views

SAN Performance Slow

I have an iSCSI HP P2000 loaded with 12 x 300gb DP SAS drives. This is connected to 2 DL385 servers with 64gb RAM running XenServer. The SAN network is multipathed via 2 gigabit switches (4 x copper ...
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1answer
587 views

XenCenter can't connect to XCP server after restart

After restarting a XCP 1.6.10 host machine, XenCenter 6.1 is no longer able to connect to it. The failure message is always "Server failure: Unauthorized". Using ssh with the exact same root ...
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1answer
110 views

How do I make groupinstall work on XenServer 6.2?

I have a XenServer system that I'm wanting to add some extra packages to. The problem I have is that XenServer is based on a stripped down CentOS 5.6 installation and the command "yum grouplist" ...
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2answers
254 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
246 views

How do I set up a VM on Citrix XenServer to run on a Raid0 partition?

I have a dedicated server from a hosting provider that I got with Citrix XenServer 6.2 installed. I've installed XenCenter, and gotten connected. Everything seems easy enough until I try to create a ...
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1answer
160 views

How do I make a volume within a LVM survive a reboot?

I have a xenserver that has a local ISO repository created following Inside the LVM found at this link: ...
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2answers
1k views

Determine which guest is running on XEN: HVM or PV guest

I'm working with a Xen host which is installed XenServer from Citrix by someone. He already installed a lot of CentOS 5.2 guests on the host. I wonder how to check those guests to know they are PV ...
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0answers
187 views

How to add missing kernel modules into xenserver using DDK?

Not sure if this is the best place to ask this question, stackoverflow doesn't seem quite right... anyway, maybe someone has done this before here. I would like to add some missing kernel modules ...
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2answers
1k views

Determine RAID configuration XenServer HP Server ML370 G5

I use a HP ProLiant ml370G5 server. Its OS is XenServer from Citrix.(based on Xen). Last week one its hard disks has been damaged and I want to change it. I want to know what is its RAID ...
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2answers
282 views

How create partitions with custom layout in VM on Xen Server?

We use XenServer with RAID 0, as one disk only (I wonder if this is a good approach, if not what would be ?), then we install Xen. After that we put the centOS 6.4 x64 DVD in the server and try to ...