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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)

Proxmox VE is a complete open source virtualization management solution for servers. It is based on KVM virtualization and container-based virtualization and manages virtual machines, storage, virtualized networks, and HA Clustering.

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Setup a qemu KVM (Proxmox) with 8 cores but 16 threads

The goal is to give one VM max. 8 virtual cores, but still have 16 threads in this VM. Reason for this is SQL Licensing because it is licensed per Core, so that on a physical machine with 8 hardware cores, you would only have to license 8 cores and…
Andreas
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Retaining Windows Server 2016 Licence when migrating VMs

So I'm trying to figure out how best to keep our active (legitimate) Windows Server 2016 Licence when migrating from ESXi to Proxmox. I have done a quick n dirty migration and it all seems to work pretty well, except for the fact that windows will…
ndom91
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Which type of failures I could face with ZFS over multiple RAID-0 drives?

I'm building Proxmox VE on Dell R820, as a Perc H710 card does not support path-through or JBOD modes. I've made a division to enable RAID-0 on 14x 1.0TB SAS drives for zfs storage and RAID-1 of 2x 320.0GB SSD for system over lvm. Official…
Hellseher
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Frequent Proxmox server interruptions in Hetzner

Unfortunately, there is a problem with server access at hetzner datacenter for some time. When we connect to the server with a KVM, we find that the server has not crashed, as if the server's network card is hanging. The installed operating system…
سعید ثائبی
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When running apt-get dist-upgrade on a PVE host, (when) will this affect running guests?

So my question is on a Proxmox VE host (let's assume 5.1 in case it matters) when I run apt-get update && apt-get dist-upgrade and decide to go ahead with the installation of package updates, will this cause KVM-based guests (that's the only kind…
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Forwarding traffic with one ip proxmox

I have a hetzner dedicated server, and i've installed proxmox. I have only one ip and i need to forward traffic and ports to VMs. I've followed proxmox network tutorial with no success: can't access from the internet to vm and can't surf the net…
buzzing
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How do I know if I run hw raid 1?

I created a hw raid 1 using efi. Server Dell PowerEdge T20 with Proxmox The raid controller is 00:1f.2 RAID bus controller: Intel Corporation SATA Controller [RAID mode] (rev 04) root@pve:~# lsblk NAME MAJ:MIN RM SIZE RO…
Binary
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LVM: Logical volumes mapped size much bigger than filesystem used disk space

In Proxmox we use LVM to create discs (logical volumes) for our VMs (LVM thin provisioning). Recently we found out our volume group is almost full even when all VM discs are almost empty. Problem is that some LVM partitions show much bigger mapped…
Martin Mystik Jonáš
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OVH: How to configure Proxmox VM with static IP

This has been frustrating me immensely for the past week. I have an OVH server with the IP of 144.217.76.xxx. I purchased an additional 2 IP addresses for VM configuration: 66.70.243.x81 66.70.243.x85 No matter what I do, I cannot seem to get the IP…
Ross Epstein
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FreeIPA client on LXC container sshd access denied

On Proxmox 4.4 I installed Centos 7 VM with FreeIPA server: ipa-server-install --idstart 10000 --setup-dns I can use IPA users and log in to other VMs on Proxmox, but when I try same for Centos 7 LXC container I got errors: May 6 13:15:50 aaaaaa…
heniekk
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Incorrect CPU thread numbering detected

I've procured an HP DL360 G7 second hand. I'm wondering if this is either a fault in the OS or the hardware. Installed are 2X Intel Xeon X5650 CPUs, each with 6 cores with threading enabled. Logic would suggest that this would give me a total of 24…
humroben
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Moving a LVM Partition from Proxmox to VMWare, lvdisplay mapped size changed, why?

This question is "kinda" about Proxmox VM’s but probably more to do with LVM’s I’ll explain. I created a VM on a Promox server with a partition of 20Gb on the local-lvm When I do a lvdisplay I do indeed see that local-lvm on path…
Ian Chilvers
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Using NFS Mounts as Long Term Container Storage

this is more of a question of best practice than anything. I currently have a proxmox clustered deployment of three servers, all accessing a ceph cluster (that is self hosted on the same servers). The ceph cluster has two main pools, instances…
MineSQL
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sudo: unable to open … Read-only file system on proxmox server

I am running into a strange problem with my dedicated server. I Installed proxmox VE on the server, every few days the system goes to the mode > sudo: unable to open … Read-only file system After I reboot the system it worked well few more days and…
Nashwan Mustafa
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Is Ceph too slow and how to optimize it?

The setup is 3 clustered Proxmox for computations, 3 clustered Ceph storage nodes, ceph01 8*150GB ssds (1 used for OS, 7 for storage) ceph02 8*150GB ssds (1 used for OS, 7 for storage) ceph03 8*250GB ssds (1 used for OS, 7 for storage) When I…
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