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Questions tagged [xenserver]

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

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Xen Virtual Machine network freezes due to Intel i350 Ethernet "Adapter Reset" [closed]

Еhere is debian 11 and virtual machines are installed on it. [378174.703632] NETDEV WATCHDOG: enp4s0f1 (igb): transmit queue 2 timed out <br> [378174.703654] WARNING: CPU: 0 PID: 0 at net/...
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XenServer Dynamic RAM on Task Manager

I'm new to XenServer, I use XenServer instead Hyper-V because Hyper-v Getting some issues with many VMs on the same host XenServer is a good place for Cloud services, but I got a small issue I have ...
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2012 R2 rebooting with no events related, VSS?

I have a production 2012R2 virtualized server (previously Xenserver, migrated to xcp-ng, 8.0 currently) that has been running fine for 4 years. Recently, the system tried to update Xen drivers and it ...
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Citrix XenServer Powershell Invoke-XenVM -Action MigrateSend

I'm trying to migrate a Xen-VM via Powershell-Script like this: $VMname = "VM-01" Invoke-XenVM -Name $VMname -XenAction MigrateSend -Live $true -Options $htOpt -VifMap ??? -VdiMap ??? -Async ...
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Xenserver 8.2 Express Edition - use storage Dell

I installed Xenserver 8.2 Express on my Dell server , my Dell server is connected to a Storage MD3200 Dell . When trying to add a new SR on my xenserver, I chose the HBA option because my server ...
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How to install Xenserver Properly

When I installed xenserver 7, It asked me if I want thick or thin provisioning. Thinking this is a production server I must have chosen EXT because I had problems with LVM before with balooning of ...
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XenCenter 7.0 VM import failing "This file could not be imported"

Totally and completely new to XenServer. We have XenCenter 7.0 on a Windows machine that I am trying to import an .xva file to. The file is aout 8GB. When I import the xva it seems to chug along until ...
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XCP-NG Single NIC MASQUERADE iptable rules Ports not fowarding just basic network traffic

I am having an issue getting ports to forward to the VM's via MASQUERADE iptable rules. I had this working on the same servers with Proxmox. But now with XCP-NG I cannot get this to work. I did once ...
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What is the maximum amount of memory that can be allocated to a 32-bit Cent OS 6.5 Xen server virtual machine?

When I creating a 32-bit virtual machine with Cent OS 6.5 on Xen server 7.6, the following error is reported when the memory setting of the virtual machine exceeds 16G: the amount of physical memory ...
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xen bridge down following reconnect

My xen bridge was working fine before a USB/SATA cable got moved. None of my xen clients can ping the www. root@NewInspiron15:/etc/xen# xl list Name ID Mem ...
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IP-CONFIG: no response | eth0 hardware address DHCP RARP

I have debian 10 in a xenserver 7.0 vm with static ip and keeps trying dhcp. Already removed some packages that could be interfering, but must still have something installed. the post initialization ...
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Differences between VMware and XCP-ng hipervisor

I am currently researching XCP-ng hipervisor and I was wondering what are the main differences between the XCP-ng and VMware hipervisor. As far as I can see the XCP-ng does not have high availability ...
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Dead Citrix XenServer with LVM: How to get the VHDs off the system?

My company recently delegated the task of recovering a fairly old (~2015) Citrix Xenserver to me. The machine had a major electrical fault which caused a hard drive failure and a collapse of the RAID. ...
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2 answers
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Tool to maintain IBM x3650 - get info from faulty HW

I am have a server IBM x3650 M4 running XenServer and Windows guest. The server have a problem with harddrive, yellow exclamation mark blinking. I am able to turn off the server go to BIOS and get ...
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2 votes
1 answer
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What would cause a XenServer 7.2 Windows 2019 VM to not release Driver Locked Memory back to the OS?

Problem: We have a XenServer 7.2 environment running Windows Server 2019 terminal servers. Although seemingly random, we see the VM climb to a whopping 32GB of used memory and the users slow to a ...
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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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1 answer
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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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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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1 answer
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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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1 answer
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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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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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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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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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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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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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1 answer
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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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1 answer
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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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1 answer
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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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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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1 answer
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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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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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1 vote
1 answer
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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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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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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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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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1 vote
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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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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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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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1 answer
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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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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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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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1 vote
1 answer
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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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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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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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1 answer
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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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