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

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Managing XenServer 6.5 remotely from an android device [on hold]

I'm looking for a way to access and manage my XenServer 6.5 from my android device. I've not been able to find a suitable application for that so far. Actions Taken so far: Search the web for ...
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3answers
759 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
3 views

I can installa “Ossec” on xenserver host?

I own a xenserver where the host is connected to the public ip network. I allow connections only from my static ip and deny amy other with iptables, but I can install monitoring system like Ossec ...
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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 6.0.2 and Cisco 3550 vlan configuration

I am running a couple of xenserver 6.0.2 hosts with multiple vm's on them. All the xen hosts have 4 physical network ports connecting to the cisco. Each port is untagged in xen but is tagged to a vlan ...
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1answer
44 views

XerServer 6.5: Can't start xapi after Power outage

I'm currently testing XenServer 6.5 to be used on the production environment of my company. However, whenever I test its behaviour when facing an unexpected shutdown (i.e.: power outage), xapi service ...
2
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0answers
12 views

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 ...
4
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1answer
2k views

XenServer 6.2 to 6.5 - rebuild servers?

It appears the XenServer 6.5 has been released and it's quite a bit faster than 6.2 in many ways. When I installed 6.2 I accepted the various defaults and end up with a system that is awkwardly ...
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1answer
1k views

Remote automated provisioning to a XenServer Hypervisor

I'm currently working on a project where I use Vagrant with Ansible provisioning to create local environments in VirtualBox. I'm currently working with a University and we have a XenServer Hypervisor ...
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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 ...
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1answer
2k views

XenServer 6.5 - Creating local iso storage/library failed - SR_BACKEND_FAILURE_222

I was trying to adapt instructions for XenServer 6.2 on how to create a local ISO library to a freshly installed XenServer 6.5 host. However the command ... xe sr-create name-label=LocalIso type=iso ...
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1answer
2k views

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 ...
3
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2answers
2k views

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, ...
5
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1answer
3k views

How to use more than 3 virtual disks in Linux using CentOS and XenServer

I've attached 5 virtual disks to a Virtual Machine in Citrix XenServer. The VM has the xs-tools installed. Initially it said that it couldn't add so many disks. After I installed the xs-tools, it ...
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2answers
433 views

XenServer required for XenDesktop?

I apologise if this is a very basic question, but I'm entirely new to this area and I'm finding the Citrix website very unhelpful. Does XenServer have to be installed to allow XenDesktop to work? ...
3
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5answers
3k views

Handling XenServer snapshotting and cloning with ZFS SAN

I'm planning on setting up a XenServer machine that uses a NexentaOS/ZFS-based SAN for storage of the Virtual Disk Images (VDIs) through iSCSI. I know I could just setup a big Storage Repository (SR) ...
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0answers
21 views

Windows IIS hosting on VM using CentOS 6

Like this fellow here, I also have a 1&1 server, which requires me to use only NAT forwarding. I have installed using the CentOS6 / Xen server (I forgot which command line command it is) and ...
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1answer
1k views

xen Dom0 network setup on ubuntu 12.04.1 LTS

I read a lot of tutorials (or at least try to be) but none is able to explain well how to configure networks for xen host. my Dom0 has two interfaces eth0 (real interfaces) and virbr0 (I guess was ...
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0answers
49 views

How to pass boot paremeters to a XenServer HVM? Is it even supported?

I'm willing to build up a fully automated installation of CentOS 7 over XenServer 6.5 using kickstart. According to XenServer 6.5 Documentation, CentOS 7 is now supported in HVM mode: In XenServer ...
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0answers
33 views

Add nmi=ignore to default xen boot option

I updated my Xenserver from 6.2 to 6.5 and the server won't boot unless I deactivate Hyper Threading via BIOS (INtel Server Board). I can fix that using a special kernel parameter (nmi=ignore) but I ...
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1answer
2k views

XenCenter cannot connect to XenServer

I am trying to establish a connection using XenCenter 6.0 to a server where XenServer 6.0 is installed, but it gives me the following error message: Unable to connect to server '192.xxx.xxx.xxx'. ...
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1answer
1k views

IP setting in CentoOS 6.2x64 by XenCenter 6.2

I have setup a Guest CentOS virtual machine in Xenserver.. I have updated the Xentools but i cannot find the option to config my IP Address which is showing to be 'unknown' currently. All i need to do ...
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1answer
3k views

Citrix Xen Live Migration without a pool

I have Citrix XenServer 6.2 Is it possible to use the xe vm-migrate command without having a pool? My command: xe vm-migrate vm=movetest host=newhost --live --force Error: Host newhost not ...
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0answers
581 views

XenServer 6.2 Read Only and Slow Disk I/O

I virtualized a datacenter a few months back and we have a pool of 3 HP DL360 G5 servers, each with 32GB of Memory and dual Intel Xeons. Recently we have been experiencing 2 issues, the first of which ...
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1answer
145 views

XenServer 6.2 DHCP Setup

I have a XenServer 6.2 running on a dedicated OVH Server. For this dedicated server I have 2 additional IP blocks. Whenever I setup a new VM (mostly CentOS 6.6) i have to skip the network ...
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4answers
132 views

Bare metal hyper-visor that supports viewing it's own guests [closed]

I'm trying to understand if it is possible to have a Type-1 Hypervisor (bare metal, no host OS) with the ability to view the guest(s) operating system(s) on the same machine. i.e. I have a XenServer ...
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2answers
154 views

XenServer 6.5 bare metal randomly rebooting and hanging

I am pretty new to XenServer so it may just be something silly causing this. Some background first. I have 2 instances of XenServer running on my network. I have an older horsepower server ...
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1answer
64 views

What hypervisors support vGPU? [closed]

Does anyone know if any open source hypervisor supports vGPUs? It looks like XenServer and vSphere are the only two hypervisors that support virtual graphics cards (true vGPU, not passthrough or ...
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16 views

xenserver can't save snapshots to shared storage due to metadata errors

We have an HA pool that does daily snapshots of selected VMs and saves them to shared storage. Lately these snapshots have been failing with the following error message: Snapshots: VMPR failed: ...
3
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1answer
525 views

GPU support on OpenStack/CloudStack

I'm wondering if anyone here has had success with any of the cloud orchestration layers using a GPU (preferably vGPU)? I've been able to get XenServer 6.2 to successfully see our nvidia GRID K1 card ...
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91 views

Can't attach iSCSI with multipathing in Citrix XenServer

Dear people of the world. I have a problem reattaching an iSCSI target on XenServer after a reboot. Whenever I try, I get several errors. Here's me in the attach screen on the redundant storage ...
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45 views

xenserver host lost all storage connections

I have inherited a xenserver setup running 6.0. There is a storage pool set up with two host servers (a bad idea to start with I gather), 8 vms and several SRs. I recently had one of the hosts fail ...
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2answers
272 views

Moving large Xen Virtual Machine

I have a cluster of 4 Xenserver 6.2 servers, as well as one independent XenServer for a customer which have are attached to a very questionable (meaning that the drive hot-swapping causes it to break) ...
4
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2answers
5k views

Determine which guest is running on XEN: HVM or PV guest

I'm working with a Xen host which is installed XenServer from Citrix by someone. He already installed a lot of CentOS 5.2 guests on the host. I wonder how to check those guests to know they are PV ...
3
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2answers
315 views

Optimising bare-metal hypervisor installation

what is the best way to install a bare metal hypervisor (i.e. to host multiple VM's)? I spoke to a friend and he is using a HP server to host all his VMs with VMware ESXi, but he installed the VMWARE ...
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0answers
99 views

XenServer CentOS VM: EXT4-fs error (device dm-2): ext4_journal_start_sb: Detected aborted journal

I have 2 different CentOS 6.4 VM's on 2 different Citrix XenServer and both have the same error within couple of few days. Output of messages: kernel: Aborting journal on device dm-2-8. kernel: ...
0
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1answer
123 views

XenServer - Storage XenMotion between 2 servers using direct LAN connection

I have two physical servers (recent, Haswell based machines) on which I have installed XenServer 6.5 . Both servers have two NICs. These servers are hosted at the Hetzner datacenter. I have connected ...
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5answers
2k views

XenServer 6.5.0 tapdisk experienced an error

I have just deployed XenServer 6.5.0 on a physical box. I connect to it with XenCenter client. I am able to create a VM, but when i start it, I get the following error: "tapdisk experienced an error". ...
2
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1answer
765 views

How can I install a new xenserver dom0 kernel?

Since Citrix released the full source code to xenserver 6.2 I've been evaluating it. It's works very well, but there is only one problem that I haven't solved. Unfortunately, Citrix do not supply the ...
2
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2answers
681 views

XenServer 6.2 VM 100% CPU and 100% memory usage and won't boot

I had this problem today after a power failure. I had 2 vms and one of them won't boot and was using 100% of CPU and 100% of memory. Since it was very dificult to solve (at least for me) I want to ...
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0answers
49 views

Can not ping from Ubuntu VM but can to

I've got an XenServer with an pfsense Router Running on it. There are the following Networks: Lan: 10.0.0.0/24 DMZ: 10.0.1.0/24 Secure: 10.0.2.0/24 WAN: xxx I got 2 Windows VMs inside LAN: ...
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1answer
284 views

Xenserver 6.5 LSI MegaRAID

Is there a package available to install the MegaCLI on XenServer6.5? For 6.5 there is this [1] but 6.5 has another kernel. XenServer 6.5 is based on CentOS6.5 (right?), so I also tried the ...
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0answers
295 views

citrix xenserver 6.5 can't get vm's public network

Can't get my vm's guest out connection..! Premised: I alreay use xenserver on a test server dellt310 with two ethernet card that works perfectly, but now... -> I have an hetzner dedicated server ...
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2answers
201 views

Server 2012 R2 System Disk Filling

This is a bit of a strange issue - the usual troubleshooting steps don't seem to apply. On a XenServer 6.2 host (with SP1), I have a guest VM that is running Windows Server 2012 R2 that functions as ...
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2answers
566 views

XenServer VM SSH

I am trying to create a Ubuntu VM in XenServer and log into it with SSH. I was already able to do this using the same image, but now I just cannot figure out how I got the IP of the newly created ...
0
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2answers
819 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 ...
2
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2answers
322 views

RAID 10 Stripe Size for XenServer

Below is our current server configuration. In a few weeks I will be simulating a disaster recovery by installing 5 new disks (1 hot spare) and restoring all VMs from the backups. Will I gain anything ...
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0answers
53 views

XenCenter shows two disks per VM

I have two servers with Citrix XenServer 6.2 installed, including all patches up to XS62ESP1019. The servers are not part of a pool, the VMs do not have snapshots. When migrating a VM from one server ...
3
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4answers
2k views

XenServer and ZFS via NFS

I'm trying to connect a NFS share to XenCenter. The NFS server is a ZFSGuru distro (uses FreeBSD). The zfs volume was exported like this: /sbin/zfs set sharenfs="on" temppool/share According to ...
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1answer
59 views

Attaching a hard drive with ESXi VMs to XenServer

I am testing XenServer 6.5 on a single host, and as a test I have exported and imported a few VMs in OVF format from my existing ESXi server. All good so far, but I was wondering: I have a hard drive ...