Questions tagged [proxmox]
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 <4.0)
545
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Windows 7 Setup hangs at "Starting Windows" using Proxmox 4.2
I am trying to install Windows 7 on Proxmox Virtual Environment version 4.2-4/2660193c, running on Debian Jessie. I have followed the instructions on this site.
I uploaded a known-good Win7 ISO (that ...
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6
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Why am I missing /var/run/sshd after every boot?
I'm running a Ubuntu 16.04 container under Proxmox 5.2-11. After applying the latest round of patches1 I'm unable to login at the console or over ssh.
I mounted the container root FS on the ...
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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 ...
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2
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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 ...
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1
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FIO Benchmarking - Inconsistent and Slower than Anticipated: Are my RAIDs Misconfigured?
TL;DR: I'm having some performance issues with my hypervisor storage. here are a bunch of test results from fio. Skip to the Results section to read about them and see my questions.
Summary
I ...
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3
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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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2
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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 ...
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6
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2
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ZFS inside of virtual machine?
Are there any technical reasons why I shouldn't use ZFS file system inside a VM on a hypervisor on top of hardware RAID?
schema.png
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1
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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 ...
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votes
2
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Hot swapping physical disks passed through to a qemu VM
I have a virtual server running in qemu on proxmox. It has two physical disks attached to the host using a virtio: directive in 101.cfg as folllows
virtio2: /dev/disk/by-id/ata-vol1,backup=0
...
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5
votes
4
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Building a low-cost, high-availability cluster using Windows Failover Cluster or Proxmox
I need to build a high availability cluster (key functionality, SLA almost 24/7) for virtual machines (AD DC, FS, WSUS, Print server, one Oracle database, a few Linux (not important to business).
...
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5
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3
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How to limit ZFS writes on NVME SSD in RAID1 to avoid rapid disk wear?
Currently I'm running Proxmox 5.3-7 on ZFS with few idling debian virtual machines. I'm using two SSDPE2MX450G7 NVME drives in RAID 1. After 245 days of running this setup the S.M.A.R.T values are ...
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1
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QEMU Ubuntu Server 20.04 Initramfs write error
I created a QEMU virtual machine intending to install Ubuntu Server 20.04. The host is a Proxmox 6.x Debian system. The virtual machine parameters are:
2 CPU cores, 1 socket
512 MB ram, ballooning ...
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1
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Proxmox. ERROR: Backup of VM failed - CT is locked (backup)
I tried to create backup of the container (LXC) in my Proxmox and I get the error:
INFO: starting new backup job: vzdump 206 --node my_server --mode snapshot --storage backups-stor --remove 0 --...
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proxmox install on ubuntu
I have a server running Ubuntu 14.04 and I want to install the latest version of Proxmox on it
it seems that Proxmox can be installed only on Debian but since they both use apt, is there a way to ...
5
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1
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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
255.255....
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2
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How to migrate a VMWare vmdk to Proxmox 4.4 with local-lvm storage
Until recently I was using Proxmox 4.0 and this was my procedure for converting a VMWare VM to Proxmox
Create a working VM. Uninstall VMWare Tools
Mount the ProxMox
Drivers ISO and copy the ...
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1
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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 /etc/...
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1
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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 ...
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votes
1
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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 ...
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1
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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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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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votes
3
answers
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How to shrink the disk of a LXC container on Proxmox 4?
I would like to shrink the main disk of a LXC container on a Proxmox VE 4.2, from 30GB to 20GB for instance. Shrinking seems not to be supported yet :
$ pct resize <VMID> rootfs 20G
unable to ...
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4
votes
2
answers
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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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1
answer
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How can I convert a iSCSI system disk from XenServer to another format
Perhaps this is quite a silly question. I installed a new VM on XenServer. It loads the full system from a iSCSI from a NAS. Now I am planning to migrate to Proxmox as XenServer falls short regarding ...
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How to get OS version of proxmox server over command line (cli)?
How do I check what version of Proxmox my server is running?
Wikipedia tells me that Proxmox runs on a modified version of Ubuntu LTS
It is a Debian-based Linux distribution with a modified Ubuntu ...
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4
votes
3
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Entire proxmox Xen Node has grey question marks + database container gone
Firstly, i've recently taken on the management of a proxmox cluster which I have had no experience managing previously (i'm completely new to cluster management, but not too bad at linux).
pve-...
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1
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SELinux on CentOS7-based LXC?
Is there any way to enable SELinux on LXC-based container using proxmox 4.2?
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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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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 ...
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4
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3
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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 148.222.222....
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2
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How to apply proxmox firewall rules to VMs?
This is my current scenario:
I have a proxmox server in the cloud. I installed 2 VMs, that have different IPs (not on the same subnet as the main proxmox server — see THIS to understand why).
On the ...
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votes
0
answers
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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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votes
2
answers
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High CPU usage on WIndows guest KVM machine
So I am noticing my windows KVM guests (managed by proxmox) are showing extremely high CPU usage when doing really simple things like watching a video on youtube. For example a 4 core KVM instance ...
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votes
2
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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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3
votes
2
answers
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rudder-relayd.service: Failed at step NAMESPACE - Permission denied
I'm trying to use rudder-server on a Debian buster at work, the webapp works fine but one of the rudder services does'nt work and I can't receive reports from other nodes :
● rudder-relayd.service - ...
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votes
2
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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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votes
1
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How to make a Proxmox VM autostart with the qm command line tool?
How do I make a VM boot on startup using just the qm command line tool? I don't want to log in to the GUI, just to be able to set autoboot using SSH.
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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 <VM_id&...
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votes
3
answers
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ZFS and SAN: issue with data scrubbing
Working as scientists in a corporate environment, we are provided with storage resources from a SAN within an Ubuntu 20.04 virtual machine (Proxmox). The SAN controller is passed directly to the VM (...
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1
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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 the following problem.
When i create a new virtual machine, during ...
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2
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Limiting ARC Size for the proposed system
I have a pool of 5 x enterprise 12Gps SSD that I use for internal storage for a proxmox server. This pool is used to stand up VMs and containers.
The problem is that it is eating up a lot of my ...
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1
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LUKS high transfer rates followed by high io wait
I'm currently setting up a server on Proxmox VE. I wanted all drives to be encrypted so i chose to setup luks on all disks and on top of luks i set up LVM.
Now when I'm transferring data from a fast ...
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How to eject CD/DVD of KVM-based VM with `qm set`?
I am using Proxmox VE 4.4 and I am puzzled how to eject a CD/DVD drive that is currently configured. Assume that the ID of the guest VM is set as the environment variable vmid.
Currently the ...
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2
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Possible to start a RAID1 setup with a single drive?
Can I start a ZFS pool with a RAID1 setup using a single drive, and then add another one later?
Running Proxmox VE 7.2
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2
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iptables 1:1 NAT with reflection second public IP to local IP
I would like to setup a 1:1 NAT + reflection with iptables, so really forward everything which arrives on that one public IP to my internal VM.
Background Info:
I have a dedicated server running ...
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votes
1
answer
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Proxmox on Ceph performance & stability issues / Configuration doubts
We have just installed a cluster of 6 Proxmox servers, using 3 nodes as Ceph storage, and 3 nodes as compute nodes.
We are experiencing strange and critical issues with the performances and stability ...
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1
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“Microsoft Windows 10 Enterprise 2016 LTSB 10.0.14393 Version 1607” stuck at boot in qemu/kvm (proxmox)
I have played with different versions of windows 10 inside qemu/kvm (proxmox) and all of them works fine except: "Microsoft Windows 10 Enterprise 2016 LTSB 10.0.14393 Version 1607". I don't think that ...
3
votes
1
answer
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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 ...
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3
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1
answer
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Proxmox: Good Idea to use LVM thin together with LVM-Caching
I want to migrate my bare metal Debian server into Proxmox. My existing server uses a 120GB SSD and a 8 TB HDD. The HDD is cached on SSD (20G), which improves (read) performance a lot.
Here are all my ...
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