Questions tagged [xenserver]
XenServer is the virtualization platform Citrix has built around the Xen Hypervisor.
163
questions with no upvoted or accepted answers
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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 ...
- 265
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0
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XenServer 6.5 iSCSI MPIO with point-to-point links (without a Switch)
I'm doing some experiment with iSCSI MPIO between FreeNAS 9.3 and two XenServer 6.5 hosts. I would like to use iSCSI MPIO to serve as VM storage. Pretty common environment, but without a switch to ...
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4
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2
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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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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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answers
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Auto-Reboot on Kernel BUG (not tainted, “fixing recursive fault but reboot is needed”)
I'm running a sometimes highly loaded Debian 7 VM with the latest 3.2.x kernel on a XenServer 6.2 host.
Sometimes this VM runs into the following state:
Ping is okay, All Services unreachable (...
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3
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0
answers
759
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Convert ESXi 5.0 & 5.5 VM's to Xenserver 6.5
I'm looking to convert about 50 esxi vm's to xenserver 6.5. I am running the free version of xenserver 6.5. I've seen posts for the citrix xen converter tool and I've tried out the VMware OVF ...
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XENSERVER - PCI: Fatal: No config space access function found
We use XenServer to host our VPS and when we tried rebooting the server we get the following error right away
PCI: Fatal: No config space access function found
We need to edit the grub file for the ...
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3
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0
answers
668
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Acronis Backup Advanced 11.5 for Citrix XenServer 6.5 installation issues
We are trying to deploy Acronis Backup Advanced for Citrix XenServer on a running pool of XenServer's.
The documentation of the product isn't quite clear about the procedure of the installation and ...
- 5,620
3
votes
1
answer
225
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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 ...
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3
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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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Xenserver 5.6 SR_BACKEND_FAILURE_47 no such volume group, but it is there
I've looked everywhere (Google, here, a bunch of other sites), and while I have found people with similar problems, I couldn't find a single one with a solution to this.
Last night our xenserver 5.6 ...
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3
votes
3
answers
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netconsole or serial logging in XenServer DomU
I have some problems with stability of Debian guests in my XenServer hosts.
To debug this problem I wanted to use netconsole kernel module, unfortunately, because the Ethernet controller is emulated, ...
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3
votes
2
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Xenserver boot error
I'm trying to get Xenserver 5.5 running on a spare computer here, hardware specs:
Intel Q6600, 4GB Ram, and Gigabyte GA-P35-DS3R motherboard
Xenserver itself installs fine onto a 150GB sata hdd, ...
Adrian
3
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1
answer
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How do I configure a guest VM's static IP address automatically in Citrix XenServer?
To facilitate automation of guest VM provisioning, how do I set (in a script) the IP address on a guest VM's NIC (or NIC's) once a new VM has booted?
Is there a way to "inject" netsh commands via the ...
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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 (...
- 121
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0
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113
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Am I ruining my storage performance?
I need to expand the storage for my small business's dell R630 with a windows file server VM. We have a set of 5 matching brand new hard drives (3.5in 5400rpm wd red 6TB) that we would like to use. I ...
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2
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0
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516
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XenServer 6.2 - could not find filesystem '/dev/root'
We have a Citrix Xenserver 6.2 install. Today we had an incident where power to the server was suddenly cut off from the server. It had been running for quite some time without issue. It has quite a ...
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0
answers
325
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XenServer Fails to Backup:
I've had this issue on and off for a year and I figured I should finally post something.
When going Server -> Backup on a three host pool of XenServer 6.5 SP1, I get "Unable to read data from the ...
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2
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1
answer
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Win2K P2V on XenServer 6.2: VM unable to start
I'm trying to virtualize (P2V) a very old Win2K server (an IBM x345) with related storage:
a main C: drive, running on top of a RAID 5 logical-array served by an internal ServeRAID HW controller and ...
- 4,148
2
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0
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842
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How to Reclaim Space from XenServer?
I found that the XenCenter storage tab claims there is 1096.6 GB used of 1107.7 GB total (708.5 GB allocated). It appears that some space has been eaten and not released.
The SMLog shows:
[13816] ...
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answers
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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 ...
- 5,620
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248
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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 ...
2
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0
answers
804
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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 [2/...
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0
answers
8k
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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 ...
- 1,055
2
votes
1
answer
566
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 ...
- 21
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0
answers
1k
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Almost All Xenserver Logical Volumes Disappeared - Recovery?
We had a hard disc crash of one of two hard discs in a software raid with a LVM on top.
The server is running Citrix xenserver.
On the hard disk which is still intact, the volume group gets detected ...
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2
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2
answers
1k
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Clustered file systems as XenServer storage
I want to use shared storage for a XenServer environment with 4 host servers which are running various VMs under XenServer. Planning to use 2 extra servers as storage with high availability of some ...
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2
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2
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403
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Xenserver: One VM crashed, xe not reacting any more
We are running a xenserver. One VM crashed, the other VMs seem to run normally.
But now we can not restart this VM any more.
Not even xe-toolstack-restart is showing any reaction any more.
We do ...
- 736
2
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0
answers
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Citrix XenApp Fundamentals
I have a problem with a new install of a XenApp Citrix server.
Everything was working fine, but I was setting up Citrix Access Gateway and single sign in. Now, on the main server I am getting an ...
- 1,174
1
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0
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Change MAC of VM on Xen
I have a Xenserver6 and multiple VMs on it - using Xen Orchestra I wanted to change the IP of a VM network device but accidentally shut it down before I could change the MAC. The way the server is set ...
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1
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0
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244
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What is the safe way to run fsck or badblocks on a XenServer local storage repository?
I have a XenServer host with six large local disks as storage repositories, which are mounted in pairs in three VMs, and NFS shared from the VMs to provide backup volumes for multiple hypervisors of ...
- 129
1
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0
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735
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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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1
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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) ...
1
vote
1
answer
2k
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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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1
vote
1
answer
249
views
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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1
vote
1
answer
111
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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
vote
0
answers
189
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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
vote
1
answer
225
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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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1
answer
80
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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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0
answers
454
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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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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 ...
- 4,309
1
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0
answers
300
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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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0
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187
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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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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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185
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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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vote
0
answers
104
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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 ...
- 111
1
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0
answers
3k
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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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466
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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: ...
- 13
1
vote
0
answers
323
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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 ...
- 111
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0
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328
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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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