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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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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221 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 ...
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603 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, ...
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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 (...
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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 ...
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19 views

LXC (proxmox) JBD high (100%) IO utilisation

We have a dedicated server running a number of smaller guest VMs containing for example, HTTP server, MySQL and some real-time applications. However we find that JBD inside the guests are often ...
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41 views

Proxmox: Add IPs from different subnets to LXC-container

I am using proxmox 4.1. If I add IP-addresses to my CentOS-7-LXC I can only do that if this IP is from the same subnet. If I'm using another subnet with another gateway the container is not pingable ...
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55 views

Change NAT IP for Proxmox (Keep host IP)

I have a Proxmox server with many IPv4 addresses available to it. As it stands, an instance (Either LXC or KVM) that connects out to the Internet will be connecting from the host's IP address. For ...
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184 views

Proxmox/KVM: Can not clone VM

I would like to create a clone of a KVM machine - yesterday I was able to create a clone of the same machine within some minutes. Now it takes hours and is still stuck an "0%": create full clone of ...
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105 views

Ethernet over GRE bridging - Proxmox

I'm trying to install two proxmox on Online.net server's, and I just realized that their RPN feature doesn't work at all like the OVH vRacks. Since I need the different VM's on both hypervisors to be ...
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158 views

IOTOP on LXC -> Netlink error

unfortunately I can not use iotop on proxmox-lxc-container and debian 8 template. This is the output: Traceback (most recent call last): File "/usr/sbin/iotop", line 17, in <module> main() ...
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562 views

Debian container unable to start after migration from OpenVZ to LXC on Proxmox 4

After migrating a Debian 7 OpenVZ CT from Proxmox 3 to a LXC on Proxmox 4 it does not appear to start correctly. Fristly, migration was done by stopping the container on Proxmox 3, backing up to ...
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51 views

LVM partition says no space even though it's not

I'm trying to do backups on my Proxmox both to an NFS share. The NFS share is on an Ubuntu (14.04) server with a 2TB HDD separated into 2 x 1TB partitions with LVM. For some reason (looking with ...
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280 views

Proxmox VMs Fail to start on reboot due to unmounted drives

For whatever reason, I have to re-assemble my RAID arrays on boot, I don't know why, and Ive banged my head against my desk over that issue to much already, so I put the RAID mdadm commands in /etc/rc....
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157 views

OpenVZ : live migration fails

I can't launch live migration of OpenVZ container between two proxmox nodes... Feb 05 03:30:27 starting migration of CT 102 to node 'madrid' (xx.xx.xx.xx) Feb 05 03:30:27 container is running - using ...
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269 views

Configuring Proxmox Cluster Storage

We are configuring proxmox on our servers at two locations each location has; 1 x hp c7000 enclosures with 16 blades 1 x hp proliant dl585 We also plan to add a 24TB SAN to each location. We are ...
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493 views

Unable to install windows 8.1 on virtual machine

How can I create a Windows 8.1 virtual machine using Proxmox? I downloaded the evaluation copy of Windows 8.1 Enterprise. However when I boot up the virtual machine, it cycles between the two below ...
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499 views

Proxmox internal network configuration

We have several servers (with one nic) staying in one rack in hetzner. Proxmox is installed on each one, and they are combined in proxmox cluster. The goal is to create network, between virtual ...
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10 views

How to give VMs access to the internet in an OVH server?

I have a SoYouStart server which is from OVH. I installed proxmox on it and I can access proxmox and use proxmox to access the web just fine. Any VM I install however can't access the wider internet ...
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18 views

Linux & Proxmox: Server does not respond

I have an unspecific problem and would like to get help in finding what's wrong with my machine. There is a server running (4 years old) with linux and proxmox installed (2 VMs on it). A few times a ...
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13 views

Firewall-Rules on Proxmox-Node cause VPS to be offline

I'm using proxmox to virtualize some small machines based on KVM. To do so I created the following network-config on the KVM-VPS: # This file describes the network interfaces available on your ...
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21 views

Can't reach centos server after “Multicast listener report” IPV6

I ran into a problem that occurs only on a few servers. Every 5-6 minutes I lose connection to the server, and it get backs after a few minutes. In most cases it's a VM that is not reachable while ...
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15 views

Network issue with VMs mixing dedicated public IP and port forwarding

I already have a virtual machine with its own public ip address and I would like to set up a new VM using port forwarding from the host. I have two public addresses: X.X.X.146 for the host Y.Y.Y.99 ...
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23 views

Proxmox 3.4-6 VM cannot reach internet

I am new when it comes to dealing with routing in Debian so please pardon my ignorance. I recently set up a Proxmox 3.4 host because it worked more or less out of the box with IP over Infiniband and ...
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116 views

NFS client fails with “Protocol not supported” even though the protocol is listed as available

I set up an NFS serve for Proxmox to remotely backup VM images there. For some reason the Proxmox box won't connect to the NFS server. I tested connecting with another the NFS client on a different ...
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33 views

Advice needed about RAID and partitioning new server

first of all i want to appolagize if i doublepost. Plese merge this with similar post. Thank you. Now about the situation and the system we are trying to build and want an advice from experienced ...
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73 views

Elastix behind Proxmox, web interface of Elastix can't open

I have a PVE server with one public IP address, I want to host services on the private IP address, and do NAT and Port-forwarding to redirect the traffic to the VMs with private IP address. I was able ...
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58 views

Proxmox-Server reboots sporadically

I just mentioned that my proxmox-system is rebooting from time to time when performing backup-tasks (bacula, not the proxmox-backup-system). The logs are showing the following: Mar 8 02:30:01 ...
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68 views

Proxmox VMs with single IP

so I don't know much about the bridges and all, but I looked around and tried to get it still working. I've got one IP for the server itself and I thought to use second IP on the VMs. I thought I did ...
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38 views

ISP secondary IP for internal CT container under Proxmox

My brother and I are trying to get a CT container to resolve from an external IP, but don't want it routed. The information below should help. auto lo iface lo inet loopback iface eth0 inet manual ...
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191 views

How slow can be a QCOW2 vm disk (proxmox/KVM) over NFS (dedicated 1Gbit)?

I'm running 3 proxmox 3.4 nodes using NFS shared storage with a dedicated 1GB network switch. root@lnxvt10:~# pveversion pve-manager/3.4-11/6502936f (running kernel: 2.6.32-43-pve) root@lnxvt10:~# ...
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59 views

Linux / Proxmox KVM machine boots unreliable after migrating to other server

I have a KVM VM running on a Proxmox 2.3 server. The Guest OS inside the KVM machine is an Ubuntu 12.04 LTS 64 bit. I took a consistent backup of the VM (Proxmox VE backup function) and restored the ...
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190 views

Proxmox 4.1 and Dell MD3200i Storage Array

I try add Dell MD3200i Storage Array to Proxmox 4.1. In Proxmox GUI i configure iSCSI and LVM storages, and try create container on attached disk - process hangs on "Creating journal", but in log i ...
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110 views

Proxmox LXC-guest: Cannot open /proc/stat: Transport endpoint is not connected

since a few seconds I can not use htop or top in my LXC-containers: Cannot open /proc/stat: Transport endpoint is not connected Same problem on reloading php5-fpm Dez 18 13:40:31 systemd[1]: ...
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115 views

Windows 2008 partition cloned from physical to VM won't boot

I'm trying to clone Windows Server 2008 from a physical 1TB HDD to a VM with smaller HDD (160GB) in proxmox (KVM). This can't be done with Clonzilla's disk-to-disk mode, so I resized the partition ...
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9 views

configure burst ram for openvz container

Can somebody help me out as to how can we set the burst ram for OpenVZ container using proxmox API. I tried using the following command but with no success: pvesh set /nodes/pve/openvz/{vmid}/config/ ...
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121 views

Hetzner Windows server (On Proxmox KVM) Configure Additional IP

I have a dedicated hosting with hetzner. Additionally i have bought one IP My main IP is: 5.9.x.15 My main subnet is: 255.255.255.224 My additional IP is 5.9.x.13 My proxmox got config like this; ...
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40 views

Server shuts down unexpectedly

I have dedicated server with centOS installed on it. Inside this, I had installed Proxmox VE (Virtual Environment). Again in Proxmox I had installed centos and centos web panel. The server inside ...
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35 views

Cant set extra option to VPS in proxmox 3.4

I am using Proxmox VE 3.4 to create an openvz container...i was able to create a vz container but i want to know are the advanced option like VNC, ppp, tun tap feature available in proxmox VE on any ...
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49 views

Reach VM from other VM via host's public IP

Here is my config: my proxmox host is set on public_ip my vm1 contains a gitlab up and running with source code for project1 my vm2 contains a test version of project1 I rerouted all traffic to ...
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17 views

Iptables vm no outbound connections

I'm currently running Proxmox with a couple of vms. Unfortunatly i only got 1 public ip so i tried to work with nat. Problem is, i can't get outbound connection from my vms. Inbount connections to the ...
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86 views

Proxmox safely remove node from cluster without deleting vms

I have 2 nodes, each of them on a separate device. I joined the second node to the cluster to migrate a copy of one of the VM's to it. Now I can't login to the web manager of it, just can login to ...
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93 views

DMAR errors on KVM PCI passthrough, server freezes

I'm using Proxmox VE 3.4.9 in a 7 nodes cluster, and I'm having some stability problems on the 4th node. Sometimes I have a very lot of error like these: Nov 17 09:48:30 node4 kernel: DMAR:[fault ...
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220 views

Proxmox routed network,“Destination Host Unreachable” on external IPs from node to guests

I've set up a Proxmox system and have 2 guests running successfully on it. They are able to be accessed on the private network that I have set up, and are able to get out to the internet ok. I'm ...
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26 views

Gateway not working - traffic not routed

im building currently a container structure with 3 networks on proxmox. The final structure looks like that: network structure I've created the container proxy, mail and hosting to simulate all ...
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38 views

Proxmox routed network mit multiple external IPs

I've got the following IP Addresses: **Main-IP**: 85.xxx.109.203 Gateway: 85.xxx.109.1 Netmask: 255.255.255.0 **Additional IPs**: 85.xxx.154.15; 85.xxx.154.18; 85.xxx.154.21 ...
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283 views

How to use vhost-scsi with Intel P3700 NVME SSD in KVM

I am using proxmox beta 4 in my HP DL 380 server with KVM. I configured Intel P3700 NVME - nvme0n1 as Virtio and on windows server 2008 r2 with virtio-scsi driver. I am getting 100 K random IOPS ...
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152 views

Proxmox-Server: Extremely high load during deletion-task of old backups

I'm using Proxmox to get some VPS. In Proxmox I set up some backup-tasks which are running fine. BUT: The backups are stored in big files (each backup has round about 300GB) so I can not store more ...
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214 views

Zabbix Graphs Data is Intermittent

We use Proxmox VE as our virtualization environment, and recently upgraded from 2.X -> 3.X. We also made the change from a single host to a dual host cluster. And, last but not least, we moved our ...
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568 views

swapoff running forever on LVM volume

I'm currently trying to resize my swapspace on a Proxmox VE server with LVM volumes, as I'm running out of space for LVM snapshots and the swapspace is fairly oversized: root@rb-srv-gus:~# free -m ...