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Questions tagged [xenserver]

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

631 questions
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Xenserver 6.2 cannot send alert using gmail smtp

I'm using Xenserver 6.2 and configured ssmtp.conf an mail_alert.conf in order to receive alerts through email. I followed the instructions on http://support.citrix.com/servlet/KbServlet/download/34969-102-706058/reference.pdf document. I'm using…
Mert Gülsoy
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XenServer Linux guest booting off iSCSI SAN (ZFS storage): Will a non-checksumming guest file system still be at risk?

We are storing files on FreeNAS 9.2 using ZFS. I love the data integrity claims made by ZFS, having randomly lost data in the past on servers using ext3, XFS, and ReiserFS that were not mistreated (power outages, etc). It was rare, but disastrous…
jimp
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XenServer 6.1 Reports Wrong Storage Amount in XenCenter

We're using XenServer 6.1 Advanced on three blades in a pool. I'm in the process of moving storage from an old SAN to a new SAN using Storage XenMotion. So far, so good! I discovered though, on a LUN that has no free space, Storage Xenmotion isn't…
SteadH
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How does a VM hosted on xen knows that it is in a virtualized environment

I have read that in para virtualization hosted virtual machines are aware that they are being virtualized, and this allows them to increase their performance. But, how does the hosted machine know they are virtualized as since we are not modifying…
Damodaran
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Where are the VM .cfg files on XenServer 6?

Background: I am attempting to use PCI passthrough to utilise a PCI-E card in a VM. I have a freshly installed server (which supports VT-d, and has it enabled) with XenServer 6.0.2 on it, and have successfully hidden the card from dom0 (it's showing…
James Ruskin
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Can I install Xenserver with larger local storage?

I installed XenServer 6.0 on a machine with 2 drives (80GB SSD and 1TB SATA). My goal is to have some space for local storage where I can put ISO (since it will be very difficult to access the box physically, and I would prefer to install VMs from…
Felix
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High load on Xen guests

We're facing a weird issue with a freshly installed Xen (4.2) system. The server is an Intel SR1690WB equipped with 4x1Tb HDD and with a RS2BL040 RAID card which configured to use RAID10. The problem is that any newly spawned paravirtualized guest…
fabrik
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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 esxi software on a flash card. He can then use…
Stephen
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Citrix XenServer: how to add RAM to a guest VM without XenCenter?

Is it possible to add RAM to a guest VM in without using XenCenter, but from the host machine console or a remote machine?
Alexander Gladysh
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RAIDZ vs RAID1+0

Hi guys I just got 4 SSDs for my FreeNAS box. This server is only used to serve a single iSCSI extent to my Citrix XenServer pool and was wondering if I should setup them up in a RAIDZ or a RAID 1+0 configuration. This isn't used for anything in…
Hiro2k
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Is there a better way to do bonded vlan tagged interfaces with XEN

We have a number of XEN servers all running CentOS or RHEL. The VM's that they run are all required to be on their own VLAN for no other reason than the customer expects them to be. Long story short however, I can't change this right now. We are…
AJ01
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/dev/disk/by-uuid not showing all disks

I am working with local storage repositories on an installation of XenServer and I am trying to use the UUID to delete a SR made in error. When I look at the disks by-id here is the output: [root@xenser111 lib]# ls -l /dev/disk/by-id total…
bsigrist
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How to check CPU/HDD temperature under XenServer 5.6?

Is it possible to check the temperature of the CPU and locally attached SATA/IDE HDDs under XenServer 5.6? Can I install lm-sensors?
netvope
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XenServer and VMware ESXi, scalability and budget considerations?

In my organization, we are looking to virtualize servers (a dozen of Linux and Windows servers or so). I am looking for a solution what would scale over the years and that would allow us maximum flexibility (i.e., moving virtual machines from one…
David Segonds
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What is the best design (software/hardware, backups) for two servers providing virtual machines in colo

I currently have one older server that provides VMs using Xen on CentOS. While not a monster, it supports VT extensions and has a 1TB hardware RAID1 disk set up. I am looking to add another server that is newer, keeping the old one for mutual…
user26585
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