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

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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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24 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: ...
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26 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
57 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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1answer
38 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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123 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
58 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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1answer
47 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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30 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 ...
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2answers
97 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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39 views

How to install freeipmi on Xenserver 6.2

I want to install freeipmi on a Citrix Xenserver 6.2 machine, but can't find anything about it on the web. I sucessfully installed ipmitool via the epel 5 repo, but I need ipmimonitoring from the ...
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20 views

X3250 Server: stuck at firmware screen

The server is initialize, then it is stuck at the IBM System X Server Firmware screen (before F1, F12 appears, etc). You can see in the attached image. ...
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1answer
37 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 ...
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1answer
31 views

Random XEN guests do not boot complaining disk not found

Performed the latest Citrix XEN Server 6.2 updates, skipping anything related to 6.5. Everything seemed normal after fixing GrubConf.py except that a few random Windows Servers would not start. ...
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29 views

Enable IOMMU for Xenserver

I have installed Xenserver 6.2 in my machine with ASUS A58M-E motherboard and AMD A8-6600K APU (CPU). Now even if the IOMMU is enabled in the BIOS, Xenserver is reporting that IOMMU is not enabled and ...
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36 views

XenServer: run management and data over same LACP bond

I have a XenServer (open source version 6.5) machine with 6 available ethernet interfaces. Is there a way to create one single LACP bond with all interfaces and then run the management network as ...
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46 views

How to power down Cloudstack configured with XenServer Hypervisors

I have three XenServers(6.2) configured in a single pool. I also have a Cloudstack (CentOS 6.5) Management interface controlling them all. Everything is up and running but I can not figure out how to ...
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50 views

OpenVPN issues on VM with XenServer 6.2

Clients connecting via OpenVPN on VM server A, cannot connect to VM's on server B within XenServer 6.2 on same pool using SSH I have a pool of two servers using XenServer 6.2, server A and server B ...
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1answer
111 views

XenServer 6.2: reattach SR but all disks have no description

I have recently reinstalled XenServer on my server. All the VHD files were stored on my NAS via NFS, so I re-added the NFS SR after reinstallation. However, all my VMs seem to be missing, and the ...
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0answers
326 views

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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1answer
760 views

XenServer 6.5 Software Raid

I try to install XenServer 6.5 with Software-RAID 1 at my home lab. With XenServer 6.2 this setup ran stable for a few months (at the same hardware). XenServer 6.5 installation went smoothly and ...
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25 views

More than 3 virtual disks in XenServer

I have an Ubuntu Server 14.04LTS on a XenServer 6.2 in HVM mode. Is there any way to use more than 3 virtual disks without a full PV? I already installed XenTools but nothing changes. As far as I ...
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5answers
1k 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". ...
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1answer
1k views

Xen 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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2answers
73 views

Recover Xenserver VM's in Linux Rescue mode WITHOUT Xenserver host

My physical server got hacked so my provider has shut down the server and booted it in Linux rescue mode. I've got full access to the file systems in Linux, however after hours of trying and searching ...
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45 views

Accessing IPMI address

Currently if I want to know the server IPMI address, I will have to go to the SBIOS and check under BMC. Is there a way to get the IPMI address from inside a virtual machine ?
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56 views

xen server iso local storage

I'm unsure as to how I would go about this but here goes. I'm trying to create a local repository for ISO images on a xenserver. I have two hard drives that are mirrored that I told xenserver to ...
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1answer
63 views

No space to snapshot on xenserver - Catch 22 to move the VMs

I am trying to move some VMs from one Xenserver onto another one but am stuck in a catch 22 situation. I have 3 VMs running on this server all on one storage repository. I don't have space to snapshot ...
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1answer
290 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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1answer
968 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
51 views

Recover a folder deleted with rm -rf on a XEN host [closed]

like the title said...I removed a subfolder in the /var/patch and I should have not. Anyway to get it back? Thanks!
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464 views

XenServer 6.5 upgrade: NVIDIA GRID K1 gives “PAT Configuration unsupported”

We have two Supermicro SYS2027GR-TR2 servers that were running XenServer 6.2 SP1. Each system has one NVIDIA GRID K1 video card installed. We just upgraded the servers to XenServer 6.5 by doing a ...
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51 views

XenServer HDD space

I have IBM xServer system with following HDD config. Total six drives. 1st two drives in Raid1 (270 GB Usable space) & other four in RAID5 (835 GB usable space). Its built-in hardware raid card. ...
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23 views

(Testing purpose) Using a Xen VM image, unconverted, in other virtualization platform (e.g. QEMU, virtualbox)?

I've set up a Xenserver and a Centos VM for my own testing. The physical machine is old hardware and therefore quite slow, but for some reason I would like to test the VM in the Xenserver platform. ...
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2answers
487 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
107 views

How does Xen Server share iSCSI?

When I create a resource pool of multiple XenServer hosts, add an iSCSI storage repository, how do the separate hosts orchestrate access to the iSCSI storage repository? To be clear, consider if I ...
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1answer
204 views

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 ...
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1answer
124 views

XenServer 6.2 not forwarding ports to VMs

I have a XenServer 6.2 with OVH with 4 additional IP addresses. For 2 VMs that are installed all is working fine. I created now a new VM with CentOS 6.6, added the virtual MAC OVH assigned me for ...
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1answer
100 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) ...
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3answers
530 views

XenServer Configuration Allowing Private Network to Access HyperVisor

Within Citrix XenServer...I want an internal network, not dependent on a physical NIC, that only the HyperVisor and virtual machines can see. I believe I want to implement a "Single-Server Private ...
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34 views

Moving VMs and storage used space

I need to move around 1 TB of VMs from a slow SR to a SSD brand new SR. Xenserver pools and hosts are updated to the lastets patches (from 6.2 SP) Using a 1 GB switch and NICs it was quite fast to ...
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1answer
17 views

Adding “VMs by Software Product” to XenCenter's view menu

XenCenter has a "VMs by Operating System" dropdown menu. I would like to have a similar menu "VMs by Software Product" which displays VMs grouped by certain software products and releases. Each of ...
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0answers
92 views

External USB drive on xen windows guest

I have an external USB 2Tb drive I'm trying to use with a xen guest. Xen Center 6.1 sees the drive in the removable storage repository and I can assign it to a guest. But the guest (tested ...
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1answer
302 views

Creating a Xenserver 6.2 pool

I would appreciate a bit of guidance with the following task. I have a standalone Xenserver 6.2 that is running 2 Windows 2012 VMs. This server is connected via NFS to a NAS server. I recently ...
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1answer
140 views

How can I perform mass provisioning of Debian Guest VMs on XenServer?

There are a number of tools for provisioning physical and virtual servers, but I can't see a well documented solution for provisioning XenServer Debian guests, apart from using XenCenter itself. With ...
3
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1answer
199 views

Can't Repair SR in XenCenter

I've added in a 4th host to my Xen 6.2 cluster and I'm unable to get it to successfully attach to my existing storage repositories. I'm using 3 older IBM hosts and the 4th new one which is CPU masked ...
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59 views

Automatically configure networking on new VM in XenServer

We have a base RHEL 6.5 64-bit template that we use to create new VMs in XenServer. Every time we make one, we have to configure: /etc/hosts /etc/sysconfig/network ...
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2answers
497 views

Xen Server, Ubuntu VM increased disk size, now will not boot

Citrix XenServer 6.2 Running Ubnutu Server 14.04 It had a 300GB disk attached, using XenCenter I increased the disk size to 500GB, planning on using gparted to resize the partition. Now it will not ...
0
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1answer
405 views

xen - server won't rejoin pool after patch/boot

Have a pool of 3 servers. All are Xen v6.2. Applied latest patches this morning in the usual fashion: Patch pool master Move VMs off of slave machine 1 and restart it Repeat with slave 2 and then ...
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108 views

XenServer CLI console

The XenServer CLI provides direct console access to a VM using the xe console command. (See this question: How to get a CLI for a virtual machine on XenServer?) However, on a Linux box running ...