Questions tagged [xenserver]

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

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Wrong link speed; what happens if manually set speed using ethtool fails?

I've got a remote xen server and I noticed that the speed link in autoneg is 100 Full Duplex; all my network is 1000 Full Duplex; do you know any reason for this? Ethtool mentions on both my server ...
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XenServer (Citrix) Management Network Interruption

We have an OOB/management network we use to loginto storage, hosts etc. We're using VLANs to separate out storage, from hosts, to camera's etc. We would like to replace this switch with a new one ...
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Nested VM in XenServer

I am new to XenServer. I am having problems getting nested VM to work in my environment. Here is my scenario: I got XenServer 7.6.0 (Free version) running on a bare metal box (SuperServer 1028R-WC1R)....
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Setup Virtual Machines with GPU with Intel GVT-g

I'm planning a setup of small office Virtualization that will allow multiple Virtual Machines access to the single GPU. I've learned that this is possible with Intel GVT-g My question is would these ...
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XenServer bad network config during initial Pool Creation

I believe I made a terrible mistake. I had a XEN8.0 (Citrix Hypervisor) for tests running on a local machine here in the office. It has a local IP adress. Classic. Then I wanted to move my VM guests ...
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26 views

Join host to single-server private network in Xenserver

I'm trying to run virtualized FreeNAS on Xenserver and want to pass back block storage to the HV as a SR. I've managed to create a single-server private network to isolate traffic internally between ...
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62 views

Docker inside virtual XEN Server

I'm running Docker containers inside a virtual machine (OpenSUSE). While running the container i'm facing lots of problems while binding ports to my containers..! Is it good practise to run docker ...
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251 views

You attempted an operation on a VM which lacks the feature. (Xenserver)

Hello all, I'm trying to assign a static IP to a CentOS VM through XenServer (7.6) CLI ! For windows vm it is possible !! I followed the below steps, 1) xe vm-vif-list vm=(VM-name-label) 2) ...
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Serva and XCP-NG/Xenserver menu not found

is anyone able to get serva with xenserver/xcp-ng working? There is no menu entry for it when booting over PXE, I can get menu entries for Ubuntu, Centos, Redhat, Windows etc but not Xenserver/XCP-NG. ...
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157 views

xenserver (xcp-ng) 7.6 slow export - TAPDISK high cpu usage - xen orchestra

I have a problem with high cpu usage by TAPDISK in xenserver - to be precise - in xcp-ng, I've posted the problem on xcp-ng forum but I didn't recieved any valid help from the creators of xcp-ng (...)....
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120 views

XenServer 8.0 running a NTP client in guest PVHVM VM

I would like to run a NTP client in a Xen Linux VM under XenServer (XCP-NG 8.0 to be precise). The Linux VM, Debian Stretch 9.9 (uname -a: Linux debian 4.9.0-9 amd64 #1 SMP Debian 4.9.168-1+deb9u4 (...
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'Failed to set vcpu0's extended info' error when restoring Xen vm

I am trying to move a Xen VM from one server to another by using the xl save and xl restore commands. I am very new to Xen and working on some servers where the last guy running this never did this, ...
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80 views

Is PCIe passthrough on Citrix Xen Hypervisor persistent?

I am virtualising my firewall, NAS and other services to reduce hardware diversity. Specifically I want to run at least PfSense and OpenMediaVault over Citrix Hypervisor (v8 at the time of writing). ...
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How to add addtional ISCSI IQN in Xen Server

Current Problem : I have Xen servers running with Nexenta ISCSI storages and their IQN names are not according to standards and now we have added HP 3PAR storage cluster with ISCSI and HP ISCSI doesn'...
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274 views

Cannot Connect to XenServer from XenCenter

Setup; - XenCenter (running on a Windows PC) - XenServer (installed via APT on Ubuntu 18.04 using the command, sudo apt-get install xen-hypervisor-4.9-amd64 I can SSH into the server fine. ...
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iSCSI LUN from Centos mapped to xenserver is keep on disappearing

I'm trying to set up an ISCSI box for shared storage to connect to my xenserver environment. I am using Centos 7 as iSCSI storage. I am using targetcli for iSCSI configuration. I can set up ...
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When I remove the ovf item the system does not work

I'm trying to restore a xen server appliance to the virtual box but an error appears and I'm forced to remove the following part of the ovf file to work the restoration: <ovf:Item> &...
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Xenserver ports VM blocked

We lift a Xenserver 7 with 4 VMs. Since the last restart ports are blocked e.g. Prot 53 for DNS The domain controller can be reached via ping, DNS queries to the DC fail. One VM can query DNS and ...
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683 views

Importing a machine from VMware to xenServer

I've exported my VM from VMWare and tried importing it into XenServer (xcp-ng 7.6) XenConvert 2.1.1 but I always get this error: Friday, May 24, 2019 11:15:04 XenConvert 2.1.1.2199 Copyright (c) 2001-...
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1answer
298 views

Accessing Windows VMs on XenServer with Remote Desktop Connection

I've installed XenServer 7.6 on a dedicated server and connected to internet via static public IP address given by technical support where I bought the server from. Using XenCenter I have also ...
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Mount the Vplex Virtual Volume ( LUN ) Xen Server

Hello ServerFault members, Please help me with this issue. I am in very strange situation with my Xenserver environment. I am trying to mount the Dell EmC ( Vplex LUN ) to the Xen server HA and when ...
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1answer
1k views

CentOS zsh: locking failed for /root/.zsh_history: read-only file system: reading anyway

I am working on CentOS 7 Xen server with 100 GB memory. I have a master server with 1 TB hard disk space and 2 slave server I increased disk space from 100 to 155 GB directly for /xen/vm4/abctest.img ...
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119 views

HVM is required for this operation

I have XenCenter 7.6 standard and I have a HP AMD Compaq pc with virtualization technology enabled (I checked in BIOS) but when I try to create a new VM and start it I get "HVM is required for this ...
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Performance issue with debian guests on xenserver with iscsi storage

I am facing a performance issue with my small virtualization environnment. I have two Dell PowerEdge 2950 and a Qnap TS-453-BU. The Dells are equipped with XenServer 6.5.0 and they are attached to an ...
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174 views

Storing Xenserver VM Snapshot UUID as a variable in a shell script to create .xva files from snapshots

I was looking at this question which was asking something sort of similar for help and is the closest thing I could find to helping, but it doesn't solve my issue: export XenServer snapshot as file ...
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213 views

Best configuration for a software RAID 10 SSD for VM xenserver [closed]

I have xenserver servers. For storage of virtual machines, I use the software RAID 10 (the disks are directly in the servers). I would like to know the best configuration for 4 SSD disk in RAID 10 ...
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63 views

Extend root partition for XenServer 7

The situation: We have a 6 disk RAID6 array in our server. We forgot to keep a bigger space for the root partition and used up all remaining space. Now, if we extent the array with +1 disk and ...
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286 views

upgrade from xenserver 6.0.2 to new version

I have a pool with 2 hosts and 12 VMs. The VMs are on an attached SR. Currently, the version of XenServer is 6.0.2 and I need to upgrade to 7.1 but I was wondering what's the best way to do that ...
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1k views

Poor man's virtual GPU, using a multiuser OS + GPU, instead of specialist vGPU card?

I've read about this system in a white paper somewhere, but can't remember where, or any details, and haven't found it since. The comment was in regard to GPU virtualisation with Type 1 (bare metal) ...
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37 views

Virtualize linux SD-card to xencenter

I have an SD card which contains the root of a physical linux machine. I would like to make a virtual server out of this SD. Preferably without having to run this SD card on a physical linux machine ...
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How to migrate windows guest from XenServer 6.5 to Virtualbox (latest)

Does anyone know the simplest way to migrate a Windows 10 Pro (x64) guest from a XenServer 6.5 host to Virtualbox? XenServer is proving to be very difficult to manage for this setup, which is to ...
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98 views

need virtual audio card in Xenserver 7.6

is it possible to have a virtual Audio Card (VAC) in Xen server 7.6 VMs? like linux or windows VMs? I need to use VAC to build a solution that i need to use to inter-connect multiple VMs for audio ...
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222 views

xenserver upgrade 6.5 to 7.6 - network non-functional

I have a small xen 6.5 (free) array (3 machines with a shared SAN) that I want to upgrade to v 7.6 (standard edition). In addition I have 2 new machines to add. I attempted to follow instructions ...
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153 views

Xen pool upgrade from 6.5 to 7.6

We are running a XenServer pool on an IBM BladeCenter S with 4 HS22 blades installed. 3 of the blades are in a pool and the fourth not. The blades have no internal storage and all get it from the ...
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1answer
502 views

How to save scheduled XenServer VM backups to external drive

Server: XenServer 7.1 Management: XenCenter Goal: Have a Scheduled Snapshot saved to an external drive connected to the server via USB Issue: The server recognizes the external drive as a removable ...
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2k views

how to install license to Xen server 7.6

Is it possible to activate Xen server using the trial license(90days)? I have installed xen license server using Citrix License Server Virtual Appliance. And uploaded my trial license file to local ...
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48 views

XenServer Networkconfigruation broken after update from 7.5 to 7.6

After an upgrad from xenserver 7.5 to 7.6 through the official XenCenter we discovered, that our network configuration is broken. We can provide the following details: XenConsole: network card (...
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35 views

SAS drives as separate logical drives for VMs on Xensever 7.6

I have 6 72GB SAS drives on my HP DL580 but they all show up as one collective Logical Dive. Is there a way to have seperate drives so I can pass them to the VMs to be used as such ?
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Is there any performance benefit to Bond Virtual Adapters?

I am using XenServer and wondering if there are any performance benefits to bonding two "virtual" network adapters on a virtual machine? I am certain it would benefit a bare metal server (make one ...
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30 views

network issues xenserver vm's

I have xenserver 7.x installed and recently had to replace the Nic. I was able to get the new Nic configured but the problem is the vm's are having trouble communicating with the internet. On the ...
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99 views

Performance on Pinned CPU cores versus automatically managed?

I have a XenServer 7.5 environment where I'm running a single Windows VM with 16 total vCPU's. My server has dual Xeon E5-2620v4 CPU's with 8cores/16threads each clocked at 2.1GHz nominal and a Max ...
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1answer
543 views

Is there a command to scan an existing XenServer storage repository for VMs?

Question: Is it possible to scan for and then re-import XenServer virtual machines from an old storage repository disk after connecting it to a new install? Background: A client had a XenServer 7.3 ...
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507 views

Xenserver 6.5 Passtrough from HASP [USB] to Windows Server 8 SP2

Due to an accidental update on VM with Windows Server 2008 SP2, the HASP USB key is no longer recognised. The key works on my laptop, so it looks fine. I have a pool of VMs built on XenServer 6.5. The ...
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33 views

Xenserver and linux lvm

I need help regarding linux lvm on xenserver. The linux vm have 3 disk assigned from xenserver. After power outages the one disk get corrupted and linux vm wont boot. Lvm report that cant find disk. ...
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567 views

Xenserver 7 does not see new raid array just added on Dell R710 server

I have a question regarding how Xenserver 7.0 sees and add local storage raid arrays from a Dell R710 server. Originally, the server came with a raid 5 setup of 4 hard drives, for a total of 800GB of ...
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70 views

How to Change the network adapter setting of a virtual machine running Win7 on a Xen Server?

I have a Xen server running on a linux debian, the Xen server runs some virtual machines that are service servers (Domain, Antivirus, Biostart, etc.) but there is one with Win7 that appears with the ...
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32 views

Any ideas how to install old drivers for adaptec's family 5 controllers in xenserver 7?

I manage few servers with Adaptec family 5 controllers. They are discontinued and no support. However, is it possible to have storage_manager working on these hosts? Have anybody succeeded, to ...
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157 views

Possible to share internet connection of Management interface of XenServer to VMs?

Is it Possible to share internet connection of Management interface of XenServer to VMs? Problem is that i only can have one physical NIC in my server due to limitation of my provider. So i am left ...
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80 views

Drop packet to bridged domU in XenServer

I have Xenserver in version 7.2 with several VM. I only have 1 nic (eth0). All VM are bridged to xenbr0. I would like to drop some type of packet so in /etc/sysconfig/iptables I added : -A INPUT -p ...
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2k views

XenServer export fails

When I try to export a virtual machine using XenCenter, it fails weirdly; XenCenter creates a "Transfer VM" that should do the export, but that VM failts to start and gets stuck in "stopped" status. ...

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