Proxmox Virtual Environment (PVE for short) is an Open Source Server Virtualization Platform, based on Debian, KVM and (LXC for v4 and above, OpenVZ for versions

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4answers
5k 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 ...
8
votes
2answers
584 views

Why would a server lockup knock other servers off the network?

We have a couple dozen Proxmox servers (Proxmox runs on Debian), and about once a month, one of them will have a kernel panic and lock up. The worst part about these lock ups is that when it's a ...
4
votes
3answers
28k 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 ...
4
votes
1answer
271 views

Configuring nagios notification settings to be very frequent

I've set up a Proxmox VE Cluster with three nodes. Each nodes has a number of VMs running on it. I'm using the PVE Monitor Plugin to set up the hosts and services, which works fine. My issue is that ...
4
votes
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 ?
4
votes
1answer
474 views

Private network between two KVM VMs

I'm trying to connect two KVM hosts together with a transparent ethernet link. I'm using Proxmox VE as the host and have configured 2 KVM VEs with ethernet interfaces and joined them to a single ...
4
votes
1answer
3k views

Unable to make work both private and public ip network on openvz container in Proxmox

I'm using Proxmox 3, it is a fresh installation. For those who know, I'm using OVH Vrack 1.5 (along with a previous Vrack 1.0). My server has two interface eth0 and eth1, I succeeded to configure ...
4
votes
0answers
1k 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 ...
4
votes
1answer
4k 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 ...
3
votes
2answers
577 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 ...
3
votes
1answer
4k views

Proxmox Nat Networking Issue

Definition I have installed Proxmox 3.2 and i am trying to configure a virtual machine as a communication server that handles all traffic and forwards them to the nodes with private ip. I ...
3
votes
1answer
920 views

GFS2 over DRBD automount

I have 2 nodes Proxmox cluster. For KVM images I use DRBD device with GFS2 on it. Everything works fine except GFS2 automounting after server restart. I put in fstab: /dev/drbd0 /cluster/drbd0 gfs2 ...
3
votes
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 ...
2
votes
3answers
3k views

Shell access for a KVM VM

I would like to access my KVM VM with a shell. I created it via proxmox 2.3, Ubuntu 12.04 is installed on it via an official template. I would like to find the same command as vzctl enter ...
2
votes
2answers
5k 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 ...
2
votes
2answers
164 views

MySQL doesn't start after upgrading to Debian Jessie

I have a server with Proxmox 3.4 with several OpenVZ-containers. Host and all guests are running Debian 7 x64. Now I want to migrate my old setup to a new server with Proxmox 4 (based on Debian 8). I ...
2
votes
1answer
217 views

lxc-attach command with redirection

I'm setting up for a Proxmox 4 server a script that migrates OpenVZ dumps from a Proxmox 3.4. The scripts scp the backups, restores them and so on. At a time of the process, I'd like to wipe ...
2
votes
1answer
183 views

Debian server locked - find_busiest_group?

Just wondering if anyone sees any clues from the following screen shot as to what might have caused this server to lock up: This server also locked up 6 months ago, and I still have the screen shot ...
2
votes
2answers
745 views

proxmox summary graphs not refreshing

In the proxmox summary page, the graphics are not refreshing. Or they are, but no info is displayed. Also, the containers status is wrong. Any suggestions? Thank you
2
votes
1answer
11k 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 ...
2
votes
1answer
174 views

What does the “m” mean in Proxmox CPU Usage?

In Proxmox 3.4-6, on the y axis of the CPU usage chart, sometimes it shows an "m" after the number. What does the "m" mean? Thanks.
2
votes
1answer
3k views

Proxmox with an Openvswitch bridge

All, I'm trying create a way for me to be able to use the local network within my Proxmox infrastructure. Currently, everything is running off of NAT from wlan0 and all internal machines have the ...
2
votes
3answers
11k views

proxmox KVM routed network with multiple public IPs

I have a dedicated hosting with hetzner. Additionally i have bought a 6IP subnet. My main IP is: 148.111.111.200 My main subnet is: 255.255.255.224 My additional IPs are 148.222.222.1 to ...
2
votes
3answers
5k 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, ...
2
votes
1answer
21 views

ProxMox with PERC 5/i RAID 5

I recently set up a dell 2950 III with ProxMox. I attached an external hard disk that is used to boot ProxMox and I would like to use the RAID 5 array to store data such as images and disks. How would ...
2
votes
1answer
47 views

How can I reconfigure a Linux guest in Proxmox to use a virtio-based HDD instead of IDE?

I'm running Proxmox 3.3.1 to host a virtual machine running Linux (64bit, kernel version 3.2.0). The virtual machine uses a 512GB HDD which was unfortunately configured to use the ide driver when ...
2
votes
0answers
202 views

Exchange 2010 on KVM - CPU usage reporting incorrectly

Good Morning, I have virtualized an exchange server using KVM (proxmox actually). It is Exchange 2010 SP3 running on server 2012 R2. KVM version 1.7.1. I am using the latest (0.1-74) virtio ...
2
votes
0answers
593 views

Proxmox Host on OVM Hardware - Guest VM's cannot reach Internet hosts by name

I have setup a Proxmox Host on OVM Hardware and am giving the guest VM's Internet access using the Bridged setup. However, as this requires editing configuration files on the Guest to work correctly, ...
2
votes
0answers
2k views

Proxmox - Port forwarding from Host to Guest

I'll just quickly start by apologising due to my lack of knowledge in Linux networking and I appreciate all the help I'll receive from any patient users willing to help a newbie. I have a Linux ...
2
votes
0answers
2k views

LVM DRBD Shared between nodes proxmox

Context : I have proxmox cluster with the volume group shared with drbd for the VM - KVM. I have a problem with drbd. Indeed, when a node disconnect, the associate link between the differents nodes ...
2
votes
1answer
500 views

Can't lock vz with proxmox

I would like to backup my virtual servers to move them away. And when i have started the backup process then i only see this every time: Feb 09 08:40:34 INFO: Starting Backup of VM 101 (openvz) Feb ...
1
vote
1answer
2k views

Proxmox resize failed: exit code 1

How can I resize the hard disk in proxmox? When I have tried, I get the following error. "command '/usr/bin/qemu-img resize ...
1
vote
1answer
1k 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 ...
1
vote
1answer
1k views

How to migrate a regular LXC container to a Proxmox LXC container?

How do you migrate a regular LXC container (from another or the same server) to a Proxmox LXC container, which can be accessed via the Proxmox web GUI? For example, I have a container created by ...
1
vote
2answers
2k views

Proxmox - backup OpenVZ on NFS

I'm using Proxmox 3.2 with OpenVZ containers and I'm trying to setup a backup system for my 2 nodes cluster. I created a NFS share on a Debian 7.5 server (not under Proxmox, and not inside the ...
1
vote
1answer
1k views

Proxmox drbd configuration split brain

I am planning a proxmox HA configuration with two Dell R710 machines (dual 6 core processors in each) with enterprise level drive raid arrays. I would be using DRBD with a quorum disk on a third ...
1
vote
2answers
2k views

How to increase Free PE in LVM physical volume?

I use Proxmox 2.2 for making OpenVZ containers. It ships with a tool called vzdump that can create backups of OpenVZ containers on the fly. It uses snapshot functionality of LVM to create temporary ...
1
vote
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 ...
1
vote
1answer
5k 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?
1
vote
1answer
580 views

Proxmox KVM fails to start

My new server is Fujitsu Primergy RX1330 M1 with Intel® Xeon® Processor E3-1220 running either Proxmox V4 or Proxmox V3.4 i have this problem : When i create a new virtual machine, during the start ...
1
vote
1answer
3k views

network configuration (bridging) proxmox

I bought yesterday an proxmox license. All works fine only the network configuration is very complicated. My network configuration: 84.200.50.186 -> hostsystem ip 84.200.50.186 -> VM ip ...
1
vote
1answer
163 views

Unable to connect with empty password after password lost

I own a server hosted in OVH and running Proxmox. Unfortunately, I lost root password. I followed the instructions given on that page (the method 2 because I have no access to grub, as proposed in ...
1
vote
2answers
1k views

Install ubuntu on my KVM VM by proxmox

I'm a newbie here but I would like to understand how to install ubuntu or centOS on my VM created by KVM (in proxmox). During creation, I've set Linux 3.X/2.6 Kernel (l26) in sheet OS and Do ...
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vote
3answers
3k views

How can one choose a new kernel on boot, running a dedicated server?

As part of installing proxmox on a dedicated server running Debian, it installed a new kernel. As part of the install instructions, I am supposed to choose the new kernel in grub. However I dont have ...
1
vote
1answer
21 views

Forwarding ports from one bridged interface to a guest container on host OS

I have a simple configuration. Mind map how everything look like So I have a structure: Proxmox Host OS (vmbr0, vmbr1) Container 1 (eth0) Container 2 (eth0) The Proxmox networks: vmbr0 ...
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vote
1answer
92 views

Proxmox: recreate CT from “.raw” disk image

I crashed a Proxmox 4 server beyond repair and some some of my CTs I don't have a dump file, all I have left is .raw disk image. So my questions are: where is the CT's ".conf" file once /etc/pve ...
1
vote
1answer
77 views

local storage on proxmox cluster, how to make it really local?

I am playing a bit around with proxmox cluster. I have 2 servers. One of them, lets call it Virt01, has an extra disk, for storage. I created a new extra local storage withis thuis disk, but proxmox ...
1
vote
1answer
942 views

Proxmox: 1 NIC, 1 Public IP, unable to get WAN interface working in VMs

I have a computer running Proxmox, and it has 1 single NIC that is directly connected to internet and has a single public IP. Then, I have different VMs (KVM) running and one of them is pfSense. What ...
1
vote
4answers
1k views

Heavy production MySQL/Percona Database in openvz container

So I'm currently running a MySQL 5.1 database, with the following specs: Proc: Intel(R) Xeon(R) CPU E5-1620 0 @ 3.60GHz RAM: 64 Go disks: 2x 100 Go SSD (RaidSoft) I'm planning to migrate my ...
1
vote
1answer
512 views

Proxmox 31 + KVM routing + IP subnet + csf

We have proxmox 3.1 server in netzner with routuing network and IP subnet block. We want to implement csf firewall without interfering the traffic of the KVM VMs, what would be the easiest way? We ...