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Lxc container causing very high load and lots of running processes

January 6, 2025, 8:36 am
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We are currently migrating old OpenVZ containers to Proxmox LXC. Today, a few hours after migrating a container, I noticed that the server load had increased significantly and that an extremely large number of processes with state Rs were running in the container. The problem did not resolve itself. Only when I increased the number of cores assigned to the container to 32 did the server load and the many running processes suddenly drop. I then reduced the number of cores back to the previous...

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Proper ZFS Replication & HA

January 6, 2025, 8:43 am
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Hello, all.

Happy New Year. I hope 2025 is wonderful for you.

I have been wrestling with how to properly deploy proxmox and hope I can get some thoughts here, please.

I have included a simple diagram to help illustrate my environment and what I'd like to accomplish. I am asking for advice on what the best way to accomplish my goals is.

I have a main server (sol) running PVE which serves out ~30 LXC services. It also has a TrueNAS VM that I pass an HBA to. The TrueNAS VM manages a ZFS...

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Boot problem when starting a VM

January 6, 2025, 8:43 am
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Hello,

I installed Proxmox on a raspberry pi.

I create a VM as noted in different tutorials, but every time I want to start the VM, I have the following message :
2025-01-06_10h19_25.png

I tried this tutorial, but it does not solve my problem : https://www.firestorm.ch/fr/kb/vm-hangt-booting-from-harddisk/

Do you have any idea what I have to do to make it work properly ?

Thks
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Importing cPanel VMs from VMware: Max size of IDE disks under Proxmox?

January 6, 2025, 8:56 am
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I've been importing a set of cPanel VMs from VMware to Proxmox.

The VM running CentOS6 migrated perfectly and came up on first boot attempt.

We have several more running CentOS7. Most of those required the fix where they fail to boot on initial import, so you shut them down, detach the disks, re-attach the disks but as IDE not SCSI, and then they boot fine and run happily. So far four have been successfully imported this way, all of which had 100 or 200 gig drives.

We have one final...

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proxmox cluster setup with Alletra 5000

January 6, 2025, 8:58 am
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Hi,

For integrating Alletra 5000 storage to a proxmox cluster, may I know which is the best file system we can use? there is not much documentation for this scenario

I see some documentations about OCFS2 but not sure if it will work

Thank you.
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API examples of webhook for different services

January 6, 2025, 9:11 am
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I used to use custom gotify php file to catch Proxmox notification into my central log and notification system but now webhook is available I got it to work directly with my own notification log system. If you have examples of webhook API working for different services post them here.

Mine is: GET: example.com/notification.php?password=password&title={{ url-encode title }}&message={{ url-encode message }}&priority={{ url-encode severity }}
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RAM Disk in LXC not showing usage in PVE

January 6, 2025, 9:14 am
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Hey, been working on setting up a new PVE lab at home for multiple use cases incl. finally getting off my Windows Plex Server setup.

I have my initial basic cluster up and running with two nodes (one more to come soon) and been testing all sorts of LXC's and VM's to ensure I understand all I am trying to do before actually migrating over the production environments.

As part of my testing, I have been testing a RAM Disk mounted in a privileged LXC (default Debian 12 template) for a Plex...

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How to set up VM snapshots on MSA 2060 SAN FC?

January 6, 2025, 9:17 am
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Hi community,

I hope everyone had an awesome 2024, and wish you all a successful 2025. :)

We have a three-node Proxmox VE cluster running Proxmox VE 8.3.1. All three nodes are connected to a HPE MSA 2060 Fiber Connect storage through HBAs and a FC switch. We're trying to set it up so that we can deploy VMs on the shared MSA storage and have VM snapshots. Is there a way to do this?

I was able to set up multipath, but could not get Directory storage to use the multipathed device. I can set...

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Temperature

January 6, 2025, 9:23 am
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Hi,

Is there any way to show the temperature from the thermal sensor(s).

I would like to see it on the summary page of each nodes.


Thanks!
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Moved Proxmox to HDD, VMs still on NVME but now got IO Delay

January 6, 2025, 9:24 am
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Hello,
I've been using Proxmox on a system with a 256GB NVME, I had everything there including some backups and the system worked perfectly for my needs.
I decided to also use an 500GB HDD that I had lying around, and installed on the following approach:

HDD
Proxmox OS
LVM for Backups

NVME
SWAP partition (8GB not in use atm)
LVM-Thin with VMs and LXCs data


After I did this, I noticed the whole system crashes if I copy large amounts of data between VMs or even...

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Proxmox installation of package failed during install

January 6, 2025, 9:33 am
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So I used to have Proxmox 6.4 installed on a server, and I think I might have set it up wrong so I tried to reinstall Proxmox. When I tried to install it again I keep getting an error, however it's not the same exact error every time. I get through the install wizard to set up Proxmox and it starts to install. It gets to about 50%-70% when it starts to install packages. Then at a random % it will say that it failed to install a package. I've gotten all different types of packages every...

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Upgrade a PVE Virtual Environment 4.4-24 to the new 8.3

January 6, 2025, 9:35 am
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Hello again, everyone. Is it possible to upgrade a PVE Virtual Environment 4.4-24 to the new 8.3? I imagine it can be done from the shell, but could someone kindly write me the commands? I’m not very familiar with Debian and its commands.

Or, could it be done with a USB stick containing the ISO file, by reinstalling everything from scratch? I’m a bit worried because I imagine a fresh installation from USB will erase everything, and I have files on the disk that I don’t know how to retrieve...

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Webui & API logged out every 5 minutes

January 6, 2025, 10:01 am
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Hello, I am having an issue with the WEBUI logging me out every couple of minutes,
That even happens when the browser is open and actively on the Proxmox VE Web Interface.

I did not have this issues in the beginning. It happend when i was playing around changing the time/date of a LXC Container.
This actually turned out to change also the time/date of my main node.

Now the time is set back to normal, as shown by:

Code: 
timedatectl

               Local time: Thu 2022-05-05 21:02:51 CEST...

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Why does the ping command flat out not work in a container?

January 6, 2025, 10:22 am
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Set up a standard Ubuntu 22.04.5 LTS container in Proxmox 8.3.2 to run nginx

Eventually went to run the ping command and was surprised when it simply didn't work: no 'command not recognised', no errors. It simply does nothing.
1736187740908.png
Googling around gives a bunch of results about network issues but I know the networking isn't a problem, it can talk with other devices just fine.

Doubt this is a proxmox issue and more something to do with Ubuntu, but wasn't really sure where else to...

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Help with LXC Container Network Issue

January 6, 2025, 10:52 am
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Hi everyone,

I’m facing a network issue with my LXC containers on Proxmox. All newly created containers are unable to connect to the internet, even during the installation process. The error states there’s no internet connection, but my existing containers have full connectivity and work fine.

Here are the details:

  1. Container Creation:
    • All my containers, including the ones already installed and the new ones I’m trying to create, come from this repository.
    • The...

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PBS 3.3.1: Backup tasks hang after concluding uploads

January 6, 2025, 10:57 am
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Hi! Thank you for PBS, it is a great piece of software. I've been testing it for a month on ~60TB-scale backup tasks, and it has been holding up really very well. I'm running off the community repository -- apologies, I'll get a subscription as soon as I can carve out the budget. I'm currently on PBS 3.3.1 (the latest in the repo as of today; more version info below). Since one or two point releases, I'm experiencing an issue that is quite a blocker, so please allow me to report it:

My...

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Proxmox machte einfach Neustart

January 6, 2025, 10:57 am
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Hey,

ich hatte vorhin ein sehr komisches Verhalten meines Proxmoxes...
Ohne meines Zutuns startete der Proxmox einfach neu.
Ich habe mal den System Log angehängt. Vlt. seht ihr ja wieso.

Es sind alle Updates installiert.
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e1000e eno1: Detected Hardware Unit Hang:

January 6, 2025, 11:01 am
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Hello,

i am using Proxmox on an Intel NUC NUC8i3BEH2.
Actually it is running quite stable for a long time, but recently there is some more persistent network throuput (5-10 mb/s for several hours) on an Qemu vm and I get the following message from time to time "Detected Hardware Unit Hang" (see dmesg output). When I reboot the system it works for maybe 1-2 hours and than (after the persistent network throughput) I got the message again. I also tried ethtool -K eno1 tso off gso off but...

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Cancel "pending" tasks

January 6, 2025, 11:52 am
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is it possible to cancel "pending" tasks in PBS , like GC or Verify , seems happen on missed or aborted tasks ?
Likely aborted because I'm stop/start "proxmox-backup-proxy.service" only during scheduled times,
( Reason is to allow umount USB datastore for safe hotplug and/or CIFS datastore to prevent hangs where share isn't available.
+ journalctl isn't filled about missing datastore ... )
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Fresh FDE zfs-mirror installation

January 6, 2025, 12:01 pm
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Hello!

I have a computer with 2 disks of similar size. I would like to have them LUKS-encrypted and then install PVE on them with ZFS mirror.

What steps should I follow?

Thank you!
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