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

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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 ...
3
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1answer
27 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
53 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
37 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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96 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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29 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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15 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. ...
2
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1answer
99 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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33 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 ...
2
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1answer
57 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
33 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
48 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
133 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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0answers
18 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 ...
0
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1answer
15 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
63 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 ...
1
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1answer
52 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
67 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
93 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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0answers
38 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
219 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 ...
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1answer
243 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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62 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 ...
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146 views

XenServer Corrupts Virtual Machines

After (we believe) a backup application passed large amounts of traffic across a low quality SAN that some of our VMs were running off of, all VMs became read only, after this we powercycled the host, ...
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0answers
119 views

How to incrementally backup XenServer VMs

I am looking for a way to backup XenServer (or XAPI) VMs incrementally. backup just changed data every time. without performance penalty, slowing down the server after the backup is done (snapshots ...
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1answer
360 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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1answer
42 views

Where to install XenCenter? [closed]

I am new to the XenServer (and server virtualization as well). I have setup successfully the XenCenter on my workstation and I can manage my hypervisors without any problems. I have read in multiple ...
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1answer
125 views

Build gcc 4.1.2 from src RPM on a CentOS 5.10 [closed]

I need an advice on how to compile gcc 4.1.2 on a CentOS 5.10. The long story: I've a got a Citrix XenServer Creedence beta 1 up and running OK. It has actually CentOS 5.10 as the dom0. This can be ...
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1answer
405 views

Xen 6.2 - how to free up space?

I have an HA pool of 3 Xen 6.2 machines. On each the root volume is > 90% full. I've updated the logrotate scripts to keep /var/log clean but have found that lots of space is taken up by /var/patch. ...
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0answers
145 views

Xencenter import error “System.ArgumentNullException: Value cannot be null. Parameter name: path1”

I am using Xencenter 6.2 to import an ESXi 5 OVF file to a Xenserver 6.2 host. When I select the OVF file from to import, Xencenter throws an error saying "There has been an unsuspecting error, please ...
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0answers
112 views

Apache cloudstack: Cannot add instances using template created from snapshot

I followed this https://github.com/imduffy15/GSoC-2014/ and installed apache cloudstack with basic networking in my local machine, and every thing worked smoothly. ​I can add instances from the built ...
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1answer
179 views

File is different when read from NFS server

So I have a backup server we've been using for some time, it's a FreeBSD server running zfs and serving it over NFS. The export is simple: /backup/vm -maproot=root -alldirs. If relevant, that was ...
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2answers
78 views

XenServer move VM Failed

We currently are running our XenServer virtual machines off of an over extended Drobo unit and wanted to migrate a particular 600+GB VM off of the Drobo onto a newer Drobo, so I attached a storage ...
0
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1answer
238 views

XenServer 6.2 crashes everytime I try to install a new Windows 7 x64 vm

I'm running XenServer 6.2 with all patches and updates on two boxes. One box is an intel core i7 2600K.. works great. My latest box is an AMD A10 APU.. and everytime I try to install Windows 7 OS as ...
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0answers
133 views

Opening a port range using Open VSwitch

I am locking down a VM on xenserver to allow only port 3389 and the ports required for domain controller authentication on windows. I am trying to do this using Open VSwitch. Locking down and allowing ...
0
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1answer
62 views

booting straight into xen VM

I have a need to convert a bare-metal machine to a virtual-machine (via VMware converter). This part has been done successfully. I have then been asked to convert the vmware image to a XEN hvm. The ...
1
vote
1answer
428 views

How to reclaim space in Citrix Xenserver's root filesystem?

On Citrix Xenserver 6.2, when the root filesystem is about to be full, what can be done to reclaim space? So far, I deleted logs but I'd like to go further. Is it safe to delete files in ...
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2answers
109 views

How to block a VM from accessing other machines on network - XenServer

This might be a little far fetched and might not be possible. I have a virtual machine that will have files on that I don't want people to be able to transfer off - they are allowed access, I just ...
0
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1answer
204 views

XenServer Hotfix XS62ESP1005 - Which device drivers to update?

I am updating my XenServer 6.2 installation with all the latest hotfixes and according to the notes I need to update my device drivers before restarting the server. When I go to the page with the ...
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1answer
343 views

XenCenter no OS boot parameters field

I just recognized, that 2 of my 10 VMs in XenCenter have a slightly different properties window. In these two VMs I cannot set OS boot parameters, because in the window I can only set the boot order. ...
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374 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 ...
0
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1answer
244 views

Active-passive xenserver bond availibility after stacked switch failure

Citrix documentation for Xenserver recommends that when physicals NICs participating in an active-passive bond, need to be connected to different switches, the switches must be stacked.. Would the ...
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vote
2answers
143 views

What could be wrong with my XenServer iscsi configuration after a recent power outage

We just experienced a power outage due to a lightning storm. Outage was long enough to restart servers and switches. We have 2 XenServer hypervisors running in the same pool. At first, both of them ...
0
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1answer
145 views

Restore from XenServer LVM ddrescue image

the disks in my xenserver are dying. I could rescue some of the lvm volumes with ddrescue. Now I setup a new xenserer and I wonder how to restore from the rescued images. Anyone has experience with ...
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40 views

Replacing the main xenserver disk but retaining the vm storage

we have a simple xenserver host with a 2TB disk and a bunch of vm guests on it. I would like to add a new small 60Gb SSD drive and reinstall xenserver on it, but I don't want to lose any of the VM ...
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2answers
4k views

CentOS 7.0 as DomU in XenServer 6.2 SP1; cannot run with PV drivers?

It appears that CentOS 7 cannot work with paravirtualized drivers with XenServer 6.2 I’ve installed one PVHVM guest with the xs-tools package but the drivers fails to connect at bootime. I got this ...
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0answers
107 views

XenServer IOPS read

I'm trying to retrieve some performance statistics from several Citrix XenServer installations (with versions from 5.5 to 6.2). What I need exactly are IOPS (read and write). Trying to use iostat on ...
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1answer
59 views

Capturing video of virtual console output of Xen vm

I would like to capture the video output of virtual machine running on Xenserver from boot-up and through reboots. I know I can capture the video by capturing the output of an assigned VGA adapter, ...
0
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1answer
194 views

Citrix Xen Server 5.6: Virtual Machines (VM) Deleted or Gone Missing?

In my environment I have a Citrix Xen Server (ver 5.6) with multiple VM's setup in my lab on a local partition mount. I arrived to my lab setup last week to find that my VM's have gone missing. The ...
0
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1answer
591 views

XenServer 6.2: unable to detach NFS mount

We recently lost an NFS server. It was used to export a drive with ISO files for use in XenServer patching / updating / etc. The server has been replaced but the mounted drive can't be removed from ...