Proxmox Virtual Environment (PVE for short) is an Open Source Server Virtualization Platform, based on Debian, KVM and OpenVZ.

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KVM - Guest does not recognize second NIC

I have a server running Proxmox (a virtualization platform), and created a KVM virtual machine with Ubuntu Server 12.10. After configuring the network, everything works fine, but if I add a second ...
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0answers
952 views

Enabling IPv6 with OpenVZ using Proxmox 2.2

I'm trying to enable IPv6 on my Debian nodes (OpenVZ) using venet; my host is under Proxmox 2.2 (kernel 2.6.32-16-pve), and it seems the routing fails. My host correctly pings all my nodes; all my ...
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2answers
2k views

how to drop_caches in OpenVZ centos6 container

I have tried sudo sh -c 'echo 3 > /proc/sys/vm/drop_caches' sudo echo 3 > /proc/sys/vm/drop_caches echo 3 > /proc/sys/vm/drop_caches echo 3 | sudo tee /proc/sys/vm/drop_caches and a ...
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2answers
904 views

Proxmox and PXE boot

I have 10 rack servers, each has an 80 GB hard drive, and a Dell PowerVault with no hard drives. It is possible to take all these hard drives and put them in the PowerVault cluster, then boot proxmox ...
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1answer
2k views

Loading Raid drivers during Proxmox VE installation

I'm using Hardware raid on my Proxmox VE installation and it doesn't recognize my Raid array, so how can I load raid drivers during installation? This is the driver reseller provided: ...
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1answer
377 views

Proxmox VE Logical Volume in RAW format?

I added a Volume group in Proxmox VE as Storage for KVM VMs. A new Logical Volume will be created for each VM, but in Proxmox VE under The Defined Storage which shows list of created Logical Volumes I ...
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1answer
767 views

How to edit or create roles in Proxmox VE?

How can I create Roles or edit them with specific privileges in Proxmox VE ?
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2answers
2k views

Does Proxmox VE Support LVM as block storage for KVM guests?

Does Proxmox VE Support LVM as block storage for KVM guests to avoid the overhead of going through the filesystem layer on the host system ?
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3k views

Where is KVM guest configuration (xml) located in proxmox?

I wanted to check if my Proxmox instance uses LVM for KVM guests to achieve better performance so Where is KVM guest configuration (xml) located in proxmox?
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0answers
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Can not display Proxmox console due to Connection time out

When I try to open console in proxmox ve nothing happens and I see this error in logs: no connection : Connection timed out TASK ERROR: command '/bin/nc -l -p 5900 -w 10 -c '/usr/sbin/qm vncproxy 100 ...
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1answer
6k views

Proxmox - Uploading disk image

I've got a KVM Virtual Machine in my local PC, and I'd like to copy it to a Proxmox server. According to the docs, I just have to create a new VM on Proxmox and add the existing disk image to it, but ...
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2answers
6k views

How do I get my Proxmox VM to access the internet without a public IP address

I would like to create a proxmox vm and have that vm be able to ping/access external websites without having to assign a public ip to it. How do I do this? The VM is running centos 6
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1answer
1k views

Cloning bitmap free count err on proxmox drive

I have a small business server (custome build) that runs proxmox for virtualizing common office services (samba, AD, web server, etc). I use clonezilla for all my cloning purposes and have never ...
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2answers
3k views

Proxmox VE cluster not working

I have been using a Proxmox VE 2.0 cluster (2 servers) for months. Today, I had the "bright idea" to install a GUI on one of the servers. I used tasksel, and selected the graphical desktop ...
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3answers
19k views

How would I add a second physical hard drive to proxmox

I installed proxmox on a single 250GB hard drive and I would like to add a second identical hard drive to put more VM's on. I already tried once, and didn't get very far. I added it and formatted it ...
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2answers
468 views

Debian Linux server locked - no clues in the logs?

I had a server lock up this morning. Here is a screen shot from the console: None of the messages from the screen shot mean anything to me. I have a feeling that the important stuff probably ...
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1answer
595 views

OpenVZ tells me: hostname: the specified hostname is invalid on boot of the VE

I’m using Proxmox 2.1, which is based on Debian 6, for my OpenVZ installation. Which shouldn’t matter but I wanted to mention it before I begin with my problem. I imported several VEs into my newly ...
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1answer
3k views

Fresh Proxmox VE 2.1 installation with defaults can't be reached or pinged

I am using the lastest Proxmox VE 2.1. My server has two NICS with a uplink only connected into eth0. My Server is a co-located server utilizing public IPv4 IPs. It is not behind a firewall or any ...
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2answers
786 views

Proxmox - Live migration between different subnets

I have a proxmox cluster, that is distributed over two different subnets having two different gateways. In the first subnet VMs get an publicly available static IP address by MAC address mapping. ...
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2answers
1k views

Virtual machines interconnection inside Proxmox 2.1 Cluster

We have 3 physical servers (each with 1 NIC) in different datacentres, all of them are interconnected by openvpn bridged private network (10.x.x.x). Inside this network we have fully functional 3 ...
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2answers
1k views

How do I rebuild a VM using Proxmox control panel?

I'm using Proxmox Virtual Enviroment (v 2.1) to manage my openvz virtual machines. Sometimes I want to rebuild a virtual machine with other openvz container template, but I couldn't find any tools in ...
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1answer
3k views

Proxmox, Windows and virtual disk cache modes

I run Proxmox 2.0, and installed Windows 2003 R2 (32-bit) server on it. I've use VIRTIO disk and NIC virtual devices (and installed appropriate drivers into Windows), and everything's fine. Physical ...
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1answer
4k views

Poor Write Performance in VM inside Proxmox PVE 2.0

I am running a PVE 2.0 on a decent Hardware (2 SATA HDDs as RAID1, 12GB RAM, i7 CPU) but the I/O Performance is very poor inside the VM (Ubuntu 11.10 Server). The very same VM was copied to another ...
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3answers
3k views

How to share one physical hard-disk to multiple KVM guest in a Proxmox VE?

I evaluate PROXMOX VE 2.0 to migrate a live server. I have installed a server with the PROXMOX VE which hosts 4 KVM guests on two 300 GB HD's (RAID-1) and two 500 GB HD'a (RAID-1) as a data storage, ...
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1answer
987 views

Best RAID setup for DRBD

I would like to setup a two nodes PROXMOX cluster with DRBD storage. The nodes will be connected by gigabit ethernet. What would be the best storage setup in terms of reliability, performance and ...
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4answers
4k views

Ganeti vs Proxmox [closed]

I'm system administrator in small software house. I'm going to virtualise our servers. The main reason for doing this is providing highest possible uptime, but probably it will also increase resources ...