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

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Access Xenserver virtual machine in lan

I have created two virtual machines from xen server. both vm are Ubuntu server. I have hosted a application in one of the vm. It works fine. But I dont know how to access that application from other ...
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53 views

XenServer 6.2 VM Performance (SSD, RAID-10, Quad-core)

Greetings everyone :) My configuration is the following: HP C3000 tower enclosure 1st HP Proliant BL460 G1 quad core xeon 2.66GHz 12MB L2 cache, 24GB RAM, BIOS I15 5/2/2011 partnered with HP ...
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2answers
41 views

Live Migration - Switch Infrastructure

We will be deploying into an environment intended for maximum resilience/redundancy and the capability for rapid scalability. Context This environment is: 1 x NAS server with FreeNAS RAID 2 x ...
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28 views

Openstack on Ubuntu Server on Xenserver 6.5

I'm trying to install OpenStack on Ubuntu Server 14.04. Ubuntu server is a virtual machine on XenServer 6.5. When I try to install OpenStack: $ sudo openstack-install I get the following error ...
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1answer
26 views

Xenserver network config

I don't know how can I config the XenServer 6.5 for working with networking. I ordered an subnet but I don't know how can I configure the XenServer to provide IPs to my vp. I read this article about ...
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2answers
31 views

Can't install Solaris 10 on XenServer 6.5 VM

I have XenServer 6.5 installed on a server, and i have been trying to install Solaris 10 on a VM, it just get into the boot screen of the installation ISO, i proceed with ENTER and then this message ...
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16 views

Best method to go about cloning a server

I am curious about cloning servers. I have a HP ProLiant ML150 with Windows Server 2008. I would like to move it to a bare metal Dell PowerEdge R230. I was thinking about Virtualizing the server with ...
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44 views

Xenserver 6.5 (Open Source) VDI per ISCSI LUN (ZFS ZVOL)

In Xenserver 6.5 (open source edition) I want to create VMs with VDIs that are actually iSCSI LUNs shared by a CentOS 7 SAN which are in fact ZFS ZVOLS (the last part should not matter). My problem ...
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1answer
22 views

How can I force xenserver to create a full (not paravirtualized) vm?

Exact opposite of this question: How to makesure VM is in Para virtualization mode on XEN? I've got xenserver 6.2 and nowhere in the UI when creating a VM does it give me the option to use HVM and ...
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1answer
29 views

Unable to Active Xenserver Free License

I have recently installed Xenserver 6.5 onto a local development server for testing. I wanted to active using the free license from Citrix but seem unable to. When I navigate to the License Manager ...
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18 views

Deleted /var/patch/applied — Can I recreate it?

I was cleaning out old patches in my Xenserver and accidentally deleted the applied directory in /var/patch. I know which patches have been applied so can I recreate that folder? Is there an example ...
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2answers
80 views

Xenserver, iSCSI and Dell MD3600i

I have a functional xenserver 6.5 pool with two nodes. It is backed by an iscsi share on a Dell MD3600i SAN, and this works fine. It was set up before my time. We've added three more nodes to the ...
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33 views

How to use the already exported snapshot as *.xva restore VM on xenserver

I follow the tutorial: export snapshot from xenserver! # xe vm-list is-control-domain=false is-a-snapshot=false uuid ( RO) : 8ac95696-94f3-83c1-bc89-8bb2603f832b name-label ( RW): ...
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0answers
37 views

How to add a serial port to a Windows 7 guest VM using Xen server 6.5?

We wonder how to add a SERIAL PORT (COM2) into a guest HPVM Windows 7 64 bits in a xen server 6.5 bare metal hypervisor. We have some clients connecting through RDP v8.1 (from Win7-64 to Win7-64) ...
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1answer
19 views

XenServer - Removing Blade Server from Chassis

I've got to remove one of our PowerEdge M620 blade servers from our M1000e Chassis server to look at the hardware on the server, mainly the mezzanine card installed. Will removing the blade server ...
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15 views

KVM vs XEN PV - which might have higher Server Load [duplicate]

I am wondering KVM vs XEN PV which will create higher server load (From Host perspective). In simple words, if identical VM's ( Linux variant) runs on a KVM based node and XEN PV based node which ...
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1answer
41 views

Enable SNMP XenServer 6.5

I want to enable snmp on my servers running xenserver 6.5. I've found a few articles with instructions to do so and the whole process seems pretty straight forward but my question is this - is there ...
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2answers
72 views

Installing XenServer 6.5 but does not boot up

I have a server with two CPUs, 64GB of RAM and a 8TB RAID 1 drive. I have successfully installed XenServer many times. But when it tries to boot for the first time, it does not boot to the new ...
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15 views

Xen server storages unplugged [closed]

In order exit a xen VM and a domain from halt state I destroyed the domain and restarted the VM. Now in xen centre I see all the storages disconnected. I tried to repair using xencenter but no luck. ...
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52 views

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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22 views

Virtualizing physical Windows Server 2003 R2

I have a HDD that seves as dead data archive. I want to virtualize the HDD in XenServer in atempt of evade some problems (like losing the HDD itself). I tried the VMconverter from VMware (to futher ...
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20 views

Minimal Rails server OS for use with High Availability (XenServer)

I have multiple XenServers configured with High Availability. I have multiple simple Rails apps that talk to each other and form a higher purpose. I have a postgresql database. Is there any distro ...
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30 views

Apply Hotfix/Update in Xen Center

I noticed that hotfix XS65ESP1013 was just issues for xenserver 6.5. I want to apply the update through Xen Center, NOT CLI. What are the proper steps for updating through xen center? I currently ...
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25 views

xe vm-disk-list >Error Multiple matches VMs found

Dell equallogic on XEN_VERSION='4.1.3' storage size 2tb usage 96% toal virt. alloc. 500gb there is only one snap shot for each vm I dont know who consumed the space? xe vm-disk-list >Error ...
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59 views

Xenserver 6.5 Live Storage Migration

In my xenserver environment I have an LVM over ISCSI storage repository (SR) and I have another SR which is an NFS share setup on a synology server. To be clear, all servers are in one resource pool. ...
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1answer
10 views

How to reset a XenCentre terminal emulator (shows junk)

While accessing a linux virtual machine through XenCentre 6's console tab, I mistakenly cat'd binary to stdout (control characters included). Using the reset command in the terminal doesn't redraw the ...
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50 views

How to backup Xen virtual machine using XL toolstack?

My server is running several virtual machines using Xen with XL toolstack. Each virtual machine uses an image file as a disk device. If I just copy these image files, there is a high possibility of ...
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2answers
277 views

xenserver - xe-toolstack restart - i lost connection from xencenter

After Xencenter-toolstack restart i lost connection from xencenter I try to restart using ssh - putty following message is showing and i lost the browser access also ............ All xe ...
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37 views

Xenserver networking in VirtualBox not working for DomU

I am trying to understand if/how unikernels work, using HaLVM and MirageOS and in order to experiment with those tools I have setup a XenServer virtual machine inside a VirtualBox on my Mac. ...
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1answer
154 views

Best Free Hypervisor with HA [closed]

We have been running the free version of Citrix XenServer for about 2 years now and it has worked OK for the most part, but we have also had our issues with it. (problems with bootloaders on various ...
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8answers
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Free hypervisor for small configuration

I'm building a server for virtualization for a non profit organization. I was planning on employing VMware ESXI free but I'm second guessing my plan because newer ESXI don't seem to be well supported ...
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1answer
83 views

Xenserver 6.5 High Availability

I'm running xenserver 6.5 and I just configured high availability. I noticed that there is the option for start order. Is there a best practice for start order when it comes to HA? Obviously the more ...
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30 views

xenserver low disk io performance

I have XenServer 6.2 (updates applied XS62E001, XS62E002, XS62E004, XS62E005, XS62E007, XS62E008, XS62E009, XS62E010, XS62E011, XS62E012, XS62E013, XS62E014, XS62ESP1, XS62ESP1002) running a year in ...
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54 views

Xackup Backup Type for Xen Server 6.5

I'm running the Xackup trial and started backing up a few linux and windows VM's. I selected disk and memory state as the type of backup. Everything ran fine and backed up ok. When I went to edit ...
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5 views

VLAN Tags for Xenserver on VIFs

So possibly a simple question here but I haven't been able to find an answer to this. Is there any way in XenServer to associate a VLAN to a VIF instead of a network? Reason is I'm attempting to ...
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34 views

NAUbackup features + Snapshots

Does anybody know whether or not NAUbackup captures the memory of a vm, along with the disk, when it takes a snapshot? I'm running xenserver 6.5 on three blade servers and I setup NAUbackup to backup ...
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1answer
162 views

XenServer VHD data recovery

I have the exported disk image of a VM from XenCenter in VHD format. I used compress from the settings, if that has any impact. How I can access the files without creating VM? I have the VM settings ...
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1answer
115 views

Change Xenserver 6.5 MTU

How do I go about change the MTU setting for my management interface in xenserver 6.5? Right now its set to the default 1500 but I want to increase it to 9000. For my setup I have 2 nics on each host ...
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41 views

Error with Virtual CD-drive in XenServer 6.5

I have a problem with a new XenServer 6.5. When I create a new VM and I try to install some "OS" from the DVD/CD drive, I receive tapdisk experienced an error. In the log the error is different to ...
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8 views

Citrix Xenserver Service Account Issues

I'm trying to create an account with citrix xenserver so I can post questions on their boards and also get notifications for updates. I filled out the necessary info and I get an email saying an ...
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81 views

XenServer XVA import fails - The file could not be imported

I am trying to import some VMs in XVA format - which were exported from XenServer using XenCenter GUI. When importing them, the import fails with a very useless message of "The file could not be ...
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37 views

Issues with NAUbackup Email Notification

I've setup NAUbackup to carry out backups for my xenserver 6.5 VM's. It backups up fine but I can't get the email notification to work. I've uncommented everything in the VmBackup.py script, added my ...
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2answers
497 views

How to Run Updates Xenserver 6.5 Free Edition

I recently installed the free version of xenserver 6.5. Right now I can run updates through xencenter which is simple and easy. I've been reading though and I've come across a few articles mentioning ...
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1answer
49 views

Best iptables configuration for a xenserver with management interface exposed to www [closed]

Which is the best iptables configuration to protect a management interface of a xenserver with management interface exposed to www? This is my actual configuration: > :INPUT ACCEPT [0:0] :FORWARD ...
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1answer
33 views

Install ossec ids on citrix xenserver dom0

I'm running citrix xen server on a server with two nic each with dedicated public ip and the management interface is directly connected to the www and protected with iptables that allow connections ...
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45 views

How to block network connections between XenServer VMs using Open vSwitch?

I would like to block all network access between user VMs on a XenServer host so that users on each VM are unable to access any other user VM, or to sniff network traffic, no matter what. However I ...
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1answer
22 views

Trying to add 2nd iSCSI VDS to XenServer, receiving error about LUN already used by other SR

I've stepped out of my comfort zone here. Some background. I just provisioned a 2nd vdisk+volume on a HP MSA2000. This SAN is has another vdisk+volume linked to Xenserver. I set the mapping to the ...
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206 views

Creating a XenServer VM from the Command-line

I have an issue in which I cannot understand how to create a XenServer Virtual Machine from the command-line. I have installed XenServer on an unused Tower unit, and currently SSH into it from my ...
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1answer
778 views

CentOS 7 on XenServer 6.5

I am having problem trying to get CentOS 7 Graphical installer to work on XenServer 6.5 (Service pack 1). I have used CentOS 7 template. Graphical installer does not work, getting blank screen with ...
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1answer
218 views

Find the current memory setting for dom0 - XenServer 6.5

On XenServer 6.5, I could find how to set the memory settings but I couldn't find how to read the current setting (what's the min, what's the max values) from the command line or by looking into a ...