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

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Diskless XenServer 6.2

I'm a bit suspicious since I cannot find relevant recent information on this. I am wanting to boot a diskless XenServer version 6.2 (the server... not the installer). I have an Intel Pro 1000 ET ...
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2answers
2k views

XenServer 6.2 changing mtu

So I've looked around for a way to change the MTU of interfaces on XenServer 6.2, but can't find anything that works for me ... One method spoke about changing the ifcnfg-intX files in the ...
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2answers
345 views

D-I-Y VPS Hosting for multiple domains (3) on a single static IP [closed]

and thanks for your input. What I want to do: I want to host some applications Web and email, for example, for myself and two clients on one static IP Address, primarily to learn, and possibly to ...
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1answer
3k 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 ...
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2answers
1k 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 ...
2
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1answer
1k views

How can I prevent a second network interface from updating DNS with its IP address?

Recently I added a second network interface to my Domain Controller, and assigned a private subnet to provide a iSCSI volume for backups, but the IP address from this interface is being propagated to ...
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0answers
2k views

Cannot mount external FreeNAS NFS on XenServer VM or Dom0

I'm hoping someone can help identify a problem or at least send me in the right direction. I've created an NFS share on FreeNAS. The server has an external IP. I can mount this on my Debian machine ...
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0answers
659 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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3answers
5k 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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1answer
271 views

XenServer Host with single NIC

The Citrix documentation speaks volumes about NIC bonding, separating management and VM data, but is it so terrible to run a XenServer host with only a single NIC? The server that we have access to ...
0
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1answer
241 views

XenServer virtual network firewall

We are setting up XenServer machine with several VMs for our ecommerce business. We are intending to distribute services across several VMs (1 for web, 1 billing, 1 email, etc.) The XenServer machine ...
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1answer
4k views

XenServer 6.2: how to use a partition on install disk as SR?

I'm setting up an old spare server with XenServer 6.2 to run some test VMs and to get some experience on XenServer itself (we're used to our own linux+xen setup and to the usual VMware suspects). ...
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1answer
792 views

Installing XenServer 6.2 on Proliant DL160G6 freezes during “Installing from base pack”

I'm trying a new install of XenServer 6.2 on an HP Proliant DL160G6 with a HP P410 raid card configured as RAID 5 over 4 drives, with a 256M BBWC. The install starts off properly, but when it gets to ...
2
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0answers
790 views

ext4 root filesystem corruption under XenServer 6.2 DomU

We're with a problem with filesystem corruption in guest machines in a XenServer 6.2 It only happens in Linux Machines. Randomly the filesystem remounts as read-only and them corruption starts on the ...
1
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1answer
740 views

XenServer - VMs to access Internet, but should not be visible from the Internet

I have installed XenServer on my server at the Hetzner datacenter. I have bought an additional /29 subnet containing 6 usable IP addresses from them. I want to install more than 10 VMs on this ...
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3answers
761 views

XenServer 6.2 - Hetzner host - Additional Subnet Configuration

I have a dedicated server on Hetzner, on which I have installed XenServer 6.2 . The server comes with one public IP address. I purchased an additional subnet containing 6 usable IP addresses, for use ...
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0answers
179 views

Virtual Allocation Unreasonably High

Just upgraded our pool to Xenserver 6.2 and installed a brand new host, also with Xenserver 6.2. Was excited about the new features since Xenserver was fully open-sources (over-allocate ram, ha live ...
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1answer
351 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 ...
0
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1answer
830 views

Change screen resolution of Xenserver Console for a CentOS VM

I need to increase screen resolution to 1024x800 for all my XEN console. I tried to place "vga=791" at the end of kernel line the file /boot/grub/grub.conf but it seems that most of the boots ...
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0answers
208 views

XenServer HA with only internal storage

I am new to XenServer 6.2. I have 2 Dell machine, each with 24GB RAM, 3x600GB HDD. It is possible to run VM in XenServer on 1 machine and then replicate to another Dell machine as HA. I went through ...
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1answer
1k views

XenServer 6.0 to 6.2 - Pros and Cons - Upgrade or Start Newly?

I currently have 2 XenServer hosts running with version 6.0, not really any patch installed. They are currently pretty much maxed out memory wise. I was planning to add a 3rd host to the pool but ...
0
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1answer
138 views

Configuration of a small-scale xen server

We are looking for good practices for setting up a xen server (4 cores, 32gb ram). There will be 6 VM (+ dom0), running personals servers (probably low CPU demands). Once the system will be ...
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0answers
228 views

Attach Multiple disk LVM from old Xenserver to new Xenserver

hope you can help me with this one... We have a Xenserver 6 with 4 320 Gig disks as a one LVM Volume Group. Suddenly past friday one disk failed and we were unable to start the server. I have tried to ...
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1answer
181 views

How can i setupt XenCenter to find virtual cdrom drives?

I am making an attempt to assist a consumer however i'm slightly out of my depth, they need a XS6 dedicated server, and that i have created a series of virtual drives for numerous distros, ...
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1k views

What are the space requirements for vm snapshots in Citrix XenServer 6.2?

As I understand it, the only way to do a live backup of a vm in XenServer is to make a snapshot, convert the snapshot to a template, then export the template (to another server), then delete the ...
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1answer
2k views

After destroy_domain, XenServer VM can't Migrate within Pool

I have a three XenServer 6.1 servers in a pool. HA is normally used, but is currently turned off for this operation. Recently, I had to force a shutdown of a VM by destroying the domain via these ...
2
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1answer
349 views

XenServer Linux guest booting off iSCSI SAN (ZFS storage): Will a non-checksumming guest file system still be at risk?

We are storing files on FreeNAS 9.2 using ZFS. I love the data integrity claims made by ZFS, having randomly lost data in the past on servers using ext3, XFS, and ReiserFS that were not mistreated ...
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1answer
718 views

How to debug intermitent network outage on Citrix XenServer

I have two Citrix XenServers in a pool. Both have a NIC for Management, a NIC for the SAN and a NIC for the VMs to connect to the network. The NIC for the VMs (eth3) has multiple networks configured ...
2
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1answer
11k views

Convert Hyper-V .vhdx file for import into .vhd file for xenserver import?

A VM was sent to me as .vhdx instead of .vhd and I need to import it into xenserver which supports .vhd but not .vhdx. I looked at the following solutions: Convert-VHD via Powershell Hyper-V ...
0
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1answer
55 views

XenServer invoke shell commands in DomU

Given a XenServer instance, is there a way to use XenAPI to invoke shell commands in a Windows DomU? My purpose is to automate some guest actions in a Win7 guest. I have a Python script that uses ...
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2answers
838 views

XenServer Guest PV - Serial Port RS232

Is there any way how to forward (passthrough) physical serial port to XenGuest PV system? I need to be able configure serial device with virtual server on XenServer 6.2. I’m looking for some like ...
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2answers
1k 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 ...
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0answers
111 views

Xen 6.2 guest IP Assignment

so basically I have written a provisioning system that provisions from a billing system onto XEN. Right now I am assigning a DHCP IP to the guest on boot. The host access the client server via ssh and ...
3
votes
1answer
131 views

Smart solution for XenServer firewall?

I've been searching for a smart solution for a XenServer firewall for about a month now. The documentation for the new default networking backend "openvswitch" is not that detailed and I can barely ...
2
votes
1answer
2k views

XenServer 6.1 Reports Wrong Storage Amount in XenCenter

We're using XenServer 6.1 Advanced on three blades in a pool. I'm in the process of moving storage from an old SAN to a new SAN using Storage XenMotion. So far, so good! I discovered though, on a LUN ...
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1answer
371 views

How to let users access Virtual Machines created in Xenserver [closed]

I have created 5 VM in my xenserver, i would like to know if theres any way to have weblogin interface or something which allow our users to connect to a specific VM? or anyway how can i let my users ...
2
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0answers
132 views

xenserver vm routing fails half the time on the same network

I recently switched from openstack (due to complexity) to xenserver at work, I ran into an issue that I can't solve, I can ping the server all the time but the vms part of the time. here is a ...
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0answers
419 views

Restore LVM if VG is not consistent (XenServer 5.6.1)

i have a VG that uses the PVs /dev/md1 and /dev/md2. Now one hdd failed in /dev/md1: [root@xenserver1 ~]# cat /proc/mdstat Personalities : [raid1] md1 : active raid1 sda3[0] 382320128 blocks ...
1
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1answer
3k views

New VLAN configuration on Citrix XenServer 6.5

We have an existing xenserver environment I have recently inherited. We have multiple xenserver vlans working that can all talk to each other. I am now trying to set up another network and cannot seem ...
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1answer
2k views

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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0answers
1k 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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0answers
85 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 ...
2
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0answers
553 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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3answers
652 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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1answer
361 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
323 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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1answer
1k 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: ...
0
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2answers
2k 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. ...
2
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1answer
697 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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0answers
251 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. ...