0
votes
0answers
62 views

Open Xen Manager and XenCenter server connection

So, I've got server set up and running the Xen hypervisor version 4.1 with Debian Wheezy (7.5.0) as the host OS, along with xcp-xapi and all relevant services are running correctly. Problems arise ...
0
votes
1answer
97 views

Configure GRUB on XEN VPS

I have a xen VPS with debian 7 x86_64 installed on it. The operating system comes with GRUB2 installed on it. The problem is that while runnnig apt-get update apt-get upgrade -y GRUB says The GRUB ...
0
votes
2answers
193 views

Setting Up Xen and Network Bridge on Debian 7

Setting up Xen and Network Bridges on Debian 7 Hi there. So i am finally going to try out some virtualisation on my new dedicated machine, however i am having some problems / confusion on setting it ...
0
votes
1answer
124 views

Server hangs after typing reboot command

I have a Debian Wheezy installation with Xen in kernel. All is fine but ... when I type a reboot command or shutdown -r now, my server is stuck and I see only that info on screen: INFO: task ...
0
votes
1answer
371 views

Xen dom0 not forwarding to domU over bridge

My setup is about as basic as you can get. I have 2 interfaces on dom0 (Debian Squeeze), eth0 and eth1. I created a bridge for eth1 to forward packets to domU that has a public IP address. I can ...
1
vote
1answer
287 views

xen + debian network after upgrade squeeze to wheeze

I've got a Debian + Xen server. After a system upgrade to the stable version the network doesn't come up after boot. Every time after reboot I need to bring it up manually. The network configuration ...
4
votes
2answers
242 views

Why is domU faster than dom0 on IO?

I have installed debian 7 on a physical machine. This is the configuration of the machine: 3 hard drives using RAID 5 Strip element size: 1M Read policy: Adaptive read ahead Write policy: Write ...
1
vote
2answers
614 views

Xen: synchronizing time with Dom0

I have Xen virtual machines running on Debian 6 (both Dom0 and DomU). I would like to synchronize clock on DomU with Dom0. On http://wiki.xen.org/wiki/Xen_FAQ_DomU I have read that I need to set ...
0
votes
1answer
355 views

Cannot give more than 32GB of RAM to a Debian squeeze under Xen 6.1

Under XEN 6.1, I tried to give a debian squeeze VM more than 32GB of RAM. But the Xen Center gave me this: "The amount of physical memory allocated to this VM is greater than the total memory of its ...
2
votes
1answer
413 views

Dom0 not forwarding to DomU

The situation: DomU: Debian SID /etc/network/interfaces auto eth0 iface eth0 inet static address x.x.x.55 gateway x.x.x.49 netmask 255.255.255.255 pointopoint x.x.x.49 Ping DomU -> x.x.x.49 ...
0
votes
2answers
486 views

Why does my server boot the old debian kernel?

I got a vServer with Debian installed (important because I have no idea of how Debian was installed and/or built). Output of ~# uname -r: 2.6.26-2-xen-amd64. After execution of (first some other ...
0
votes
1answer
205 views

Network Script broken with recent XEN update in Debian Squeeze

Today I applied the most recent xen update for Debian Squeeze from [Security]. The package version is now 4.0.1-5.8. After that, xend began to behave weird (aka. wrong): root@root:~# sudo service ...
1
vote
1answer
156 views

How to change memory for DomU runtime

I have a xen server with xen-4.1.3, linux-image-3.2.0-3-amd64, debian squeeze and 16Gb of RAM. The domain-0 has 1Gb of ram, the rest of memory belongs to the hypervisor. I want to start a guest domain ...
3
votes
1answer
580 views

Straight-forward to Virtualise with XEN or KVM on IBM Server System x3650 M4 791562G?

I want to built a virtualised Server Environment using XEN or KVM. The virtual machines should be purely debian systems - so XEN or KVM should be a sane choice. Now while buying servers, I am ...
1
vote
1answer
315 views

Xen PV packet loss [closed]

I'm having some serious issues with packetloss with one of my servers. This server is a somewhat old (P4-era) machine running Debian Squeeze and Xen 4.0. There are two domUs running on it (both also ...
2
votes
1answer
149 views

Access to WAN from one VLAN

i want to create a VLAN for 3 guest VMs. I already have it and every VM can ping each other, but the problem is that any guest CAN NOT have access to Internet Network configuration in Host machine # ...
1
vote
1answer
456 views

Difference between Xen XCP ISO install and apt-get install xcp-xapi

I just got some new hardware and am planning testing out the Xen hypervisor and Xen Cloud Platform (XCP).. more specifically, I am using a intel i5 3470, H77 chipset, 16GB RAM, and 2x2TB Hard drives ...
1
vote
1answer
3k views

Machine check events logged

In /var/log/messages, this error occurred: Sep 19 13:18:15 wdc kernel: [2772302.630416] Machine check events logged Shortly there after, the entire server became unresponsive. This is in the log of ...
2
votes
0answers
175 views

Xen and Turbo Boost

Running the Debian Squeeze default Xen, I am unable to get any of the CPU frequency scaling stuff going. As soon as I revert to the standard kernel I get it. Digging through the internet it seems ...
0
votes
1answer
222 views

Debian server hangs when bridge is enabled

Alright so basically my interfaces file looks like this. Now this works if I bring the interface down and up again once linux has booted. But if I attempt to restart it gets stuck loading the network ...
1
vote
1answer
354 views

Xen in routed mode: start fails

When Xen is configured in routed mode, restarting xend fails because the script hotplugpath.sh is missing. ~ # /etc/init.d/xend restart Restarting Xen daemons: xend/etc/xen/scripts/network-route: ...
2
votes
1answer
551 views

Apache gets stuck while “reading request” and PID takes 100% CPU

Recently, somewhat coinciding with some server upgrades (although there were a variety of things that changed), Apache started ending up with some of its processes stuck in the "reading request" ...
0
votes
1answer
2k views

Xen - “'NoneType' object has no attribute 'rfind'” error when trying to create domain with VNC enabled

I'm setting up a Debian Xen server for the first time, and so far it's gone smoothly. However, whenever I tried to enable VNC connections for a domain (by adding a vfb=... line to the config file), ...
0
votes
2answers
229 views

Cannot login at hvc0

Our LDAP server recently crashed and now we are facing problems reaching some of our servers. We have a Xen guest for which the login does no longer work. In the logs, the following error appears. ...
3
votes
4answers
631 views

Private Cloud: Debian and OSS vs vmware vSphere, which is best for corporate use? [closed]

I'm hoping someone can shed some light regarding the current state of virtualization on Debian. Since I like my information first-hand, i thought I'd ask here for some real-world use cases. I am ...
0
votes
1answer
214 views

XEN vm disk quota / fstab commented out

In order to enable user quota on a debian system I must edit the /etc/fstab (http://tldp.org/HOWTO/Quota-3.html). But in my case the whole /etc/fstab on the vm is commented out: # /etc/fstab: static ...
0
votes
4answers
518 views

Network traffic accounting of Xen VMs

How do I monitor network traffic usage on Xen virtual machines running on Debian GNU/Linux Squeeze? I have a number of Xen virtual machines (domUs) running on a few physical machines (dom0s). Each ...
0
votes
1answer
741 views

Ubuntu 10.04 (LTS) DomU on Debian Wheezy Dom0 Xen 4

I have been forced to move from a Centos Dom0 xen 3 Centos + Ubuntu Lucid DomUs To Debian Wheezy Dom0 Xen 4 Ubuntu Lucid DomUs However although I can create new DomUs on wheezy I cannot ...
4
votes
5answers
2k views

Xen only sees 512MB of System RAM. Should be 8GB. (UEFI boot)

I am booting Xen 4.0 from Debian Squeeze, kernel 2.6.32-5-xen-amd64. "xm dmesg" on dom0 shows: Xen-e801 RAM map: 0000000000000000 - 0000000000091400 (usable) 0000000000100000 - 0000000020000000 ...
0
votes
2answers
1k views

Howto resize Xen virtual host disk size on Debian?

I am using a loop device disk setup (not lvm) for Xen Debian (squeeze) guest systems on my Debian (squeeze) host system. I searched for a way of extending guest system disk size. I came accross ...
1
vote
1answer
326 views

top vs vmstat on Debian squeeze/xen

I'm running a squeeze DomU on xen 4.0.1 which is completely unloaded. I notice a difference in cpu states between iostat and top like: top (in every iter): Cpu0 : 0.2%us, 2.0%sy, 0.0%ni, ...
4
votes
2answers
1k views

Advice on most fitting choice of virtualization platform: Xen | OpenVZ | KVM | other? What suits the purpose best?

I am aware of the multitude of virtualization threads here but they all seem to be oldish and i'd like to have a brand new one ready for 2012. I'm currently evaluating Xen, OpenVZ and KVM for ...
1
vote
3answers
2k views

Can't connect to remote Xen libvirt with ssh, using virsh or virt-manager

I'm running Xen 4 on a Debian server running Squeeze (stable). I want to connect remotely over ssh using virt-manager or virsh, because I can do that on a Lenny server (oldstable). Xen is installed ...
1
vote
1answer
142 views

SSH get trace to host

When using some kind of XEN VM's as user, how can I get trace to host where SSH leads to? I encountered problem, that when listening SSH server on ip from ifconfig, I couldn't connect to it. Need to ...
0
votes
1answer
501 views

Xen NAT dom0 public IP domU port forwards

I would like to jail my services Mail, HTTP, Dev into seperated VMs using Xen. I have one public IP and would like to put all domUs in a private LAN an expose the services via port forwarding. What ...
0
votes
3answers
369 views

xen 4.0 squeeze fails to start guests with: launch_vm: SETVCPUCONTEXT failed

As Chris Benninger says over at: http://www.benninger.ca/?p=58 lots and lots of people have the problem with Squeeze and xen4.0 telling them: launch_vm: SETVCPUCONTEXT failed (rc=-1) but nobody ...
0
votes
2answers
203 views

Multiple XEN nodes with the same external ip?

I have a server with debian that uses the xen kernel. I've successfully created and started 2 xen nodes, lets call them xen1.domain.com and xen2.domain.com. They both have their own internal ip and ...
2
votes
1answer
730 views

Compiling kernel from source (for Xen), do I use plain kernel?

My VPS host uses Xen, and instead of using its custom kernels I could use my own (with pv-grub), the sample kernel of which I had installed to test this was is the following, I am running Debian 6 ...
0
votes
2answers
472 views

XEN VM config locations on Debian Squeeze

I have inherited a debian squeeze VM host, which is not booting anymore. I want to export the virtual machines to another host, including config files and disk containers before killing the machine. ...
2
votes
1answer
444 views

Debian - corrupted GRUB

I have installed Xen on Debian following the official manual from debian.org. After that I runned grub-update and some time later removed Xen, including xen kernel. I runned grub-update one more time, ...
0
votes
2answers
185 views

Debian/Nginx/PHP5-FPM on Xen. Is it the right choice?

I have a complex web application running on a Debian/Nginx/PHP5-FPM stack. The application usually has ~600 online users everytime, and ~5000 unique users per-day. The stack is running on a Xen-based ...
0
votes
2answers
707 views

Upgrading a Xen host from debian lenny to squeeze

I am in the process of upgrading the Xen host from Lenny to Squeeze. What is the recommended route for this upgrade? Upgrade the host first then the guests? Will the guests be able to boot if I do ...
1
vote
2answers
844 views

Best practices for mounting Sun SAN NFS on Linux (Debian Squeeze)

Anyone got bestpractices for how to mount a nfsshare from Sun(Oracle) Unified Storage? We run the usual hard and nfs4 on debian squeeze. We run our VMs through this NFS share with Xen. When our SAN ...
0
votes
1answer
724 views

Xen Kernel on Debian Squeeze making 1GB memory 'absent'

Possible Duplicate: Fresh Debian Squeeze (6) Installation - Very High Ram Usage We have a Dell Poweredge R210 server with 8GB of installed RAM. This is a fresh install of Debian Squeeze, ...
1
vote
1answer
125 views

Xen - Centralized logon for all domU's

I'm part of a small business who is curently renting a dedicated server running Xen (Debian) with 4 Debian guests. Dom0 = eon DomU-1 = fry - build server DomU-2 = get - development env DomU-3 = hal - ...
7
votes
3answers
1k views

After LVM/DRBD resize df is reporting incorrect information

I have a Debian Xen DomU which has a DRBD mounted partition. I needed to resize this partition from 46G to 50G. I did the following: Stopped DRBD on the secondary node: /etc/init.d/drbd stop ...
1
vote
4answers
2k views

SSL connection hangs as client hello (curl, openssl client, apt-get, wget, everything)

I've run into a problem on my Debian VPS (a xen domU) regarding SSL. Namely almost all SSL connections hangs at client hello. For example: # curl -vI https://graph.facebook.com About to connect() ...
2
votes
2answers
312 views

How to make an ec2 ami work on Xen on Debian

We are creating a cloud app and have Debian on which we create a customized image and upload it to the Amazon EC2. After uploading it to the cloud we made some more customizations and are trying to ...
1
vote
1answer
2k views

Xen: How to install bootloader for domU (guest os)?

I tried to install with "grub-install" grub for guest os (which is debian) from host (centos). Tried with chroot, tried with deboostrap, tried with netinstaller. Centos is running on two raid ...
0
votes
2answers
694 views

how to install debian from a rescue cd (via ssh)

situation: server with RAID 1 (2x1000GB) currently logged in via SSH (network based debian rescue cd) need to accomplish: install a debian based Xen (maybe with: ...