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Questions tagged [xenserver]

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

631 questions
18
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9 answers

Hyper-V vs. ESXi vs. XenServer

Can anyone share their experiences (for example, this was great! This failed miserably!) with using the Hyper-V, ESXi, and XenServer virtualization platforms? Cost? Management? features? Handling load and backups and recovery? And also minimum…
Bart Silverstrim
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13
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8 answers

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 by the vSphere Client and the web interface which…
schneida
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9
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2 answers

Determine which guest is running on XEN: HVM or PV guest

I'm working with a Xen host which is installed XenServer from Citrix by someone. He already installed a lot of CentOS 5.2 guests on the host. I wonder how to check those guests to know they are PV types or HVM types?
Ha Son Hai
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8
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3 answers

Is Administering XenServer like administering CentOS?

Given XenServer (7 currently) is based on CentOS, does that mean it works just like CentOS in terms of updating, CLI, administration (non-Xen specific like mdadm and boot loaders) etc? Basically, if I want to use XenServer, then am I committing to…
Damon
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7
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1 answer

How to use more than 3 virtual disks in Linux using CentOS and XenServer

I've attached 5 virtual disks to a Virtual Machine in Citrix XenServer. The VM has the xs-tools installed. Initially it said that it couldn't add so many disks. After I installed the xs-tools, it let me add all the disks. But /dev doesn't show…
101010
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7
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3 answers

Time to live exceeded, result after pinging the gateway from host in one subnet

I got a server with XenServer 6.0.2 and this server has 3 nic with 3 different ip addresses, because I am using 3 different subnet The first 2 card are working and from the first 2 subnet I have access to internet, the third one is the…
marcodv
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6
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5 answers

/dev/centos/root does not exist after migrating CentOS7 from vmware to Xen

I am migrating a CentOS 7 system from VMware Server 2 to XenServer 6.5. The CentOS system was installed using the minimal installation. I used ovftool to convert the .vmdk file to a .img using the instructions…
Goose
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6
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1 answer

What are the space requirements for vm snapshots in Citrix XenServer 6.2?

As I understand it, the only way to do a live backup of a vm in XenServer is to make a snapshot, convert the snapshot to a template, then export the template (to another server), then delete the snapshot. What I can't find anywhere are the specs for…
Inukshuk
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6
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1 answer

SAN Performance Slow

I have an iSCSI HP P2000 loaded with 12 x 300gb DP SAS drives. This is connected to 2 DL385 servers with 64gb RAM running XenServer. The SAN network is multipathed via 2 gigabit switches (4 x copper links from the P2000 to each switch, then each…
fukawi2
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6
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7 answers

Centralized virtualization (ESXi, XenServer) in a completely Windows-free environment

I'm looking into deploying a small (one or two host servers) non-production virtualization initiative for our company. We need it to be high performance and host shared resources for a number of users. I'm moderately familiar with both VMWare ESXi…
cmckendry
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6
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2 answers

Where does Xenserver store local VMs

My xenserver crashed a few months ago, I haven't been able to retrieve the VMs that were on it. There was nothing special about the installation, I think it was all standard. Is there a way to recover the VMs on it? It won't start up. I have tried…
alysdal
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6
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5 answers

LUNs and virtual machines

I have HP P2000 + XenServer solution working. What I'm thinking about is how to create LUNs for 20 virtual machines. Separate LUN for every VM ? It gives me ability to backup the specific virtual machine, however 20 vm = 20 shared storages in…
John
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6
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3 answers

So what really makes a server grade NIC?

We have a couple servers hosting Citrix VM's. We are planning on adding SAN storage to our network so that we can do the quick migration and high availability thing. The question comes up with deciding what NICs to buy for the servers. We have scads…
Detritus Maximus
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5
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3 answers

Converting Linux machine from XenServer to Hyper-V

I'm in the process of converting the last few on my XenServer VMs over to Hyper-V. The majority of them have been Windows machines and I've done a backup and restore using Windows Backup. For some of the windows boxes I've used the XenServer export…
Drifter104
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5
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3 answers

Can't attach iSCSI with multipathing in Citrix XenServer

Dear people of the world. I have a problem reattaching an iSCSI target on XenServer after a reboot. Whenever I try, I get several errors. Here's me in the attach screen on the redundant storage after it failed to…
Refalm
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