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Questions tagged [xenserver]

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

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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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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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33 views

ML350 RBSU Access [on hold]

I have 2 ML350 G6's. Both work just fine and report no issues. I can access the one's RBSU via PS2 keyboard but when I try to use the same PS2 keyboard on the other it does not seem to detect the PS2 ...
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How do I resolve a Xen VM import that never completes but doesn't time out or print any errors?

I have several XenServers which backup their VMs to NFS storage by taking a snapshot and then exporting it to an .ova file. This is done using the script from here: https://tecadmin.net/backup-running-...
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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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I/O performance issues with dd “benchmark” on XenServer 7.1 using SLES12-SP3 in HVPVM mode

Why does SLES12-SP3 in HVPVM mode perform that badly compared to the other two? SLES12-SP3 VM inside ESXi 5.5: Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz ...
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1answer
21 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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23 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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27 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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38 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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47 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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21 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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Xenserver 7 Management and Storage Interfaces

I am setting up 4 identical servers as a xen pool and I had a couple of questions. Each server has 2-10G nics and 4-1G nics. 1 of the 10G interface will be used for storage traffic with a 10G switch ...
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119 views

Xenserver: How to see local storage disk space used on command line?

Background: I'm running a mixed VMware and XenServer cluster with ESXi 6 and XenServer 6 and 7 systems, hosting Windows and Linux VMs. Everything is running free/unlicensed, so I have built my own ...
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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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42 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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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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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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How to share internet in the VMs on XenServer 7.4?

I have one NIC on Xenserver with 2 IP addresses on it. but i cannot find a way to share or attach any of the IP to internal VMs so i can use internet on them. I want to attach one IP dedicated to the ...
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73 views

XenServer Unallocated RAM?

What, if anything, does XenServer 7 do with RAM that is NOT allocated to any of the virtual machines? Does it get used for disk cache, like other operating systems? If it's not being used at the Xen ...
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31 views

XenServer from xenserver.org crippled?

I am getting ready to take my first look at Xen. It looks like xenserver.org is just a redirect to the ISO hosted on citrix.com. There is also text trying to up-sell to paid versions. Is the ...
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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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Eaton IPM can't connect to Xenpool with Citrix Xenserver

I am trying to use Eaton IPM with Ctrix Xenserver to measure how effective Eaton IPM is at reducing energy usage. I have three Xenservers hooked up in a Xenpool and Eaton IPM and Xencenter installed ...
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396 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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144 views

How to install OpenBSD 6.2 guest in XenServer 7?

I'm trying to create new VM from vanilla OpenBSD 6.2 install CD on XenServer 7. I can't even boot install CD. Basically, i get this: Boot device: CD-Rom199MB medium detected - success. CR-ROM: ...
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CentOS guest eth0 limited to 100Mbps in XenServer host

The host shows a bond of 2Gbps, but the CentOS guest only has 100Mbps according to dd. Using ethtool the only information is that the link exists (which I gather is correct for a guest VM). Xen ...
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211 views

XenServer Nic Bond; Guest Network Speed?

In my XenServer 7.3 I have 4 Intel 1G network adapters. I configured Nic1 as Management and Nic0 & Nic2 as a LACP Bond based on IP and port (On my Cisco L3 Switch I did the same for the two ...
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2answers
400 views

Should I use HW Raid or ZFS as filesystem for Citrix XenServer?

I've got a dual Xeon X5650 (6core) HP ProLiant DL160 G6 with 72G RAM and an HP P410 4port hardware raid card that I want to repurpose as a NAS and a test server. Additionally, I have 4 x 4T drives in ...
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135 views

Firewalld instead of iptables on XenServer 7

I'm a huge fan of CentOSs firewalld. Mostly because it was introduced when I began working with linux servers. I've also tried to understand iptables but it was nothing more than sscratching the ...
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Xen Server 6.2 fix forgotten SR

Backgound: The server failed, XenCenter would not connect, the local console showed no VMs. I rebooted XEN, it showed a few errors on boot ( I forgot to write them down ), then rebooted again. ...
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122 views

Xen guest (ubuntu) does not reboot with 'no bootable device.' after change of disk size

I just increased the size of a disk in a xen (server 6.2) guest (ubuntu 14.04). After the guest shutdown it did not boot up again with the error: 'no bootable device.' Does anybody have an idea how ...
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43 views

Xenserver 6.5 Pool Master inaccessible [ssh] or from [xencentre]

I'm facing a strange situation: "I can't access my pool master from xencenter, nor ssh to it. this pool is part of cloud stack setup. I collected all the logs from /var/log/ and noticed that in ...
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2answers
525 views

How to import VMs from files on NFS server local to XenServer

I have a XenServer running in my co-location rack and my XenCenter is running at home and connected to it. What I am trying to do is create some VMs by importing XVA files, but those XVA files are on ...
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109 views

XenServer restore from backup failing

The disk XenServer (6.5) is running from died, replaced it, did a re-install, careful not to touch the actual storage. Re-attached the storage according to this Citrix info https://support.citrix.com/...
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How can I get a Linux *partition* image to boot in a XenServer virtual machine?

I am trying to migrate a Linux PC to a virtual machine running in XenServer. Normally I would just create an image of the boot disk (/dev/sda) with dd and use that to overwrite an empty virtual disk ...
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125 views

Expand storage in Ubuntu VM using XenCenter when its 100% used

Recently one of my VMs in XenCenter is full. I am trying to expand the size of VM storage. I am trying to resize the hard disk and partition it, it throws a error related to cannot write as there's ...
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1answer
543 views

Software-RAID1 in Virtualization [closed]

I got a little homeserver which runs a Windows as FileServer and hosts a Ubuntu-VM for little monitoring tasks and other stuff that are not available in Windows. In the past however, this lead to some ...
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294 views

XenServer multiple ISO storage repo

I'm using XenServer7.2. My ISO images are organized in a hierarchy, which is tree structure in a remote file system (SMB/CIFS). For instance, Ubuntu 16.04 is in Linux/Ubuntu/Xenial. How can I add a ...
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1answer
56 views

XenServer 6.5 host is not passing through network traffic (Ubuntu)

I have recently install XenServer 6.5 and have 5 static IP addresses assigned to the server, the host however is not passing through the VM traffic across the assigned IP, it is defaulting the ...
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3answers
73 views

Some questions about xenserver HA

To start thank you for your future help :) I would like to know if it is possible to wrap my H.A as on my paint (excused me the quality of the drawing). I would also like to know how it goes with ...
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1answer
423 views

XenServer 7 - Pass all public traffic to firewall solution

I have a server running with XenServer 7 installed. Currently the XenServer only has a single VM (FW01) which is my Firewall solution and router, what i would like to do is connect the XenServer to ...
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1answer
231 views

XenServer 7.2 Hot Fix - Can only apply to Pool not Individual Hosts

I'm running xenserver 7.2 on a few M620 blade servers. I'm trying to apply XS72E004 and 005 patches. I go to the notification section and select Download/Install next to each patch. I have a pool ...
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Questions regarding PostgreSQL virtualization

I have not experience on planning PostgreSQL on virtualized nor physical server environments so I need to get some advice how to do things correctly. We have two identical servers and we need to make ...
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1answer
741 views

XenServer -Virtual Disk not Active

What ever i am trying add as virtual disk (i.e. usb disk, local drive). It is showing 'Active = no' under the storage tab Screenshot: Running fdisk -l it shows only the disk where the OS is ...
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1answer
240 views

Citrix XenServer Upgrade from 6.2 to 7.1 hardware driver crash

I upgraded a XenServer version 6.2 host to 7.1 One of the VMs (CentOS 6.9, PV type - paravirtualized) on the host runs Asterisk phone software which uses a module called "DAHDI" which is a set of ...
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1answer
507 views

OpenVPN on pfSense, can ping but nothing else

I have an OpenVPN setup on a pfSense to give me access to the private network. Everything works fine, I can connect and ping the VMs on the private network no problem; but when I try to request a web ...
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1answer
239 views

Citrix XenCenter templates for RHEL 6.x OS

I have Citrix XenServer 7.1 installed on my server. In Citrix XenCenter, I have connected my server and created few VMs. On choosing respective VM templates, OS with 6.x architecture (i.e. RHEL 6.x, ...
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Xenserver VM network speed very slow

In XEN cloud the Internet in the virtual machines is very slow - just the external internet. Both in windows-based machines and in Linux-based machines. The situation is this: When you access the VMs ...