What is a Xen pool?

A Citrix XenServer pool is a group of XenServer hosts and allows you to view multiple servers as a single resource, enabling flexible deployment of virtual machines based on the resource needs and business priorities. A pool is comprised of multiple XenServer hosts bound together as a single managed entity.

What is Xen motion?

A: XenMotion is a feature that allows live migration of virtual machines. With XenMotion, you can move a running virtual machine from one physical host system to another almost with a slight disruption or downtime.

How do I copy a VM in XenServer?

Instructions

1. Identify the VM you would like to copy from one storage repository to another.
2. Right-click the VM in XenCenter and click Copy VM.
3. Select the type of copy and storage repository you would like to copy the VM to.
4. Monitor the progress of the VM copy by selecting the XenServer host name and the Log tab.

What is Citrix pool?

A resource pool comprises multiple Citrix Hypervisor server installations, bound together to a single managed entity which can host Virtual Machines. If combined with shared storage, a resource pool enables VMs to be started on any Citrix Hypervisor server which has sufficient memory.

How do I move a virtual machine under Xen hypervisor?

XEN gives you the ability to migrate a virtual machine from one physical server to another….Option 1: Save & Restore Migration

1. On the existing host server type xm list.
2. On the existing host server type xm save
3. Now run the xm list command again.

Where are VMs stored on Xenserver?

VM hard drives are stored in /var/run/sr-mount/ will contain folders containing your local/remote repositories. Each folder has name = UUID of the storage repository Unfortunately, this won’t help you restoring your VMs, as you need backups for restoring them.

What is hypervisor in Citrix?

Citrix Hypervisor is an industry leading, open-source platform for cost-effective desktop, server, and cloud virtualization infrastructures. Citrix Hypervisor enables organizations of any size or type to consolidate and transform compute resources into virtual workloads for today’s data center requirements.

Does Xen hypervisor support VM migration?

The Open Source XEN hypervisor includes advanced technology which allows you to relocate your virtual machines to different host servers on your network. XEN gives you the ability to migrate a virtual machine from one physical server to another.

How do you calculate VHD?

Follow the steps below to open and view the contents of a VHD/VHDX file without mounting it to the system:

1. Open Kernel VHD Viewer tool.
2. Select the VHD /VHDX file you wish to open and click Quick Scan.
3. Once the Virtual Hard Disk Drive is loaded, the UI will change.
4. Select Use existing partition info and click OK.

What is snapshot in Citrix?

A virtual machine (VM) snapshot is a record of a running virtual machine at a point in time. Snapshots provide a fast way of creating templates that can be exported for backup purposes and then restored, or that can be used to quickly create new VMs.

What does XenServer do when you move a VM to a different server?

When you attempt to move or migrate a VM to a different server within or across pools, XenServer performs migration checks to compare the VM’s feature set against the feature set of the destination server. If the feature sets are found to be compatible, the VM will be allowed to migrate.

What are the requirements for a XenServer resource pool?

All of the servers in a XenServer resource pool must have broadly compatible CPUs, that is: The CPU vendor (Intel, AMD) must be the same on all CPUs on all servers. To run HVM virtual machines, all CPUs must have virtualization enabled.

Can a running VM be migrated to a pool?

In scenarios where a pool level drops when a less-capable server joins the pool, a running VM can be migrated to any server in the pool, except the newly added server.

Why do you need supplemental packs for XenServer dom0?

Supplemental packs are used to install add-on software into the XenServer control domain, dom0. To prevent inconsistencies in the user experience across a pool, it is necessary to have the same supplemental packs at the same revision installed on all the servers in the pool.