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Best Way ZFS another server in cluster

August 16, 2024, 5:56 am
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Hello,

what is the best way to use the local zfs storage within another pve in same cluster for vm disks?

Thank you!
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Network interfaces down on reboot

August 16, 2024, 6:07 am
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Hello there,

I just installed Proxmox VE 8.2.2 on a new Supermicro server hardware with a Broadcom CM57416 NetXtreme-E Dual-Media 10G RDMA Ethernet. Installation works like a charm and the Proxmox boots up to the point where I am shown the IP and port of the web interface.

Bash: 
pveversion
pve-manager/8.2.2/9355359cd7afbae4 (running kernel: 6.8.4-2-pve)
Unfortunately, the interface is unreachable, prompting detailed bug-tracking.

As of now, I found out, that the network interface...

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Ex-cluster node has frequent writes to pve-cluster and pve-replication

August 16, 2024, 6:08 am
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Hi,

Running 8.0.4 on a new install. This was joined to a cluster, had VMs migrated over onto it, and was then removed from that cluster by following "Separate a Node Without Reinstalling". So far so good.

The issue I see is that the following files are written to / re-created every 60 seconds. Taking a zfs snapshot and diffing I see:

Code: 
 # zfs diff rpool/ROOT/pve-1@snap1 rpool/ROOT/pve-1@snap2
M       /var/lib/pve-manager
M       /var/lib/pve-cluster/config.db-wal
M...

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cloning a VM with all snapshots

August 16, 2024, 6:15 am
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I have a VM that has 13 snapshots in my qcow2 file. While unintentional, I want to conduct a few performance tests without potential consequences to the production VM. For the tests I want all of the snapshots to remain. Per my reading, I did this with the command:

qm clone 116 334 --full true

The VM is off, and the VM is stored on an NFS share on a TrueNAS with all-SSD storage. The networking itself is all 10Gb.

The qm clone command does its thing and goes up to 100%, then throws...

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LXC with /dev/ppp

August 16, 2024, 6:22 am
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Hi all,

I would like to know how should I setup the following PVE Host instructions to be automatically fired/ran at PVE Host boot time?
Code: 
chown 100000:100000 /dev/ppp
What's the best practice way to achieve this?

Let me know,
Thanks,
m.
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How to make VM ignore missing luks drives?

August 16, 2024, 6:23 am
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Hi. I have a luks-encrypted external hard drive plugged into my host machine. I use the host machine to open/decrypt and map the drive to /dev/mapper/my-luks on the host. Then I have that location assigned to a VM as a secondary data (non-boot) drive, which will mount it. Everything works great! Except sometimes I do not have the drives plugged into the host. In this scenario, the VM fails to boot. I get an error saying, "Could not open '/dev/mapper/my-luks': No such file or directory"...

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Sudden Bulk stop of all VMs ?

August 16, 2024, 6:25 am
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Hi

Every so often, all of a sudden, all guest VMs terminate. Can you please help me troubleshoot why that happens?

I see Bulk start VMs and Containers in the log:
Proxmox.png

dmesg has the proxmox host has normal start-up messages. Nothing for why the VMs were terminated.

All VMs are running Windows 11.

Should I be looking anywhere else for logs?

root@pve:~# dmesg
[ 0.000000] Linux version 6.5.11-7-pve (build@proxmox) (gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for...

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SMB / Fstab help

August 16, 2024, 6:28 am
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After a fully working proxmox server on a old pc I created a new proxmox server on better hardware.

Most of the node is working, but I have two questions remaining.

First Question:

I mounted an existing (shucked USB Western Digital drive with NTFS format) with:

Code: 
mount /dev/sdb1 /mnt/Elements

After which I am able to see all files on the disk.

However, after a reboot I need to remount the drive. But as I've read I can also use fstab in order to make the mount more permanent.

A...

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Issue with Space Allocation for Migrated VMs in LVM-thin

August 16, 2024, 6:34 am
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Hello!

I have a problem with LVM-thin on my server. I have a cluster with two servers and recently migrated some VMs to the new server. However, the migrated VMs are occupying the entire allocated space instead of dynamically using the space. How can I correct this?
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Jellyfin LXC with Nvidia GPU transcoding and network storage

August 16, 2024, 6:39 am
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Hola. I struggled through this one recently and figured I'd share.

The Overview:

We're looking for an unprivileged LXC to serve as a Jellyfin server. We want to use an Nvidia GPU (in this case a GTX 1070Ti) that is also used by other LXCs for other services. The sharing of the GPU is why we are not considering using VMs. Additionally, this setup uses an NFS share for the video library, which has a couple other requirements.


Phase one: Installing Jellyfin
  1. We'll...

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Segmentation fault

August 16, 2024, 6:47 am
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I have a problem when starting the machine, in the installation it was working and I was doing things with the machine, I turned it off and on a different day and the bridge port does not come out I am not able to lift it or make it take any ip just tells me “segmentation fault” when I try to do anything.
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Transfer WinSrv vms linked clone without setting a cluster

August 16, 2024, 6:55 am
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Hi, We are replacing a pve 7.x server with a new one with pve 8.x.

For this, we want to transfer all the windows vms to the new server without generating a cluster, since the currently operational pve 7.x server will go offline once everything is moved to the new pve 8.x

The vms in pve 7.x are windows "linked cloned" lvm.

A simple option is to backup the vms and transfer them, but they would no longer be "linked cloned" which would load the disk unnecessarily.

Is there any documented...

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PVE 8.22 / Kernel 6.8 and NVidia vGPU

August 16, 2024, 7:12 am
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It is safe to run multiple re-verification jobs at on same PBS datastore?

August 16, 2024, 7:19 am
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We have verification on all new snapshots, but we want to re-verify backups more often.
The problem is that verification job is doing it one by one, can we do it in parallel by multiply jobs on the same datastore?

PBS Storage bellow is on XFS/mdraid with nvme drives, with read about 80GB/s, and PBS server have 64-cores.
Btw we tested ZFS many times, but mdraid with RAID6 on 24 drives is way more faster than ZFS, and have way more less CPU usage.
Bit rot is not a problem, because we using...

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Using proxmox Ceph as a source cluster for external storage cluster?

August 16, 2024, 7:24 am
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Hi,

I was planning to use my proxmox ceph cluster as source cluster for an external storage cluster, with my k8s cluster as a consumer cluster, but when i run the scripts suggested on https://rook.io/docs/rook/v1.10/CRDs/Cluster/external-cluster/#supported-features
i get some error codes the main one seems to be that prometheus is not installed?

Seeing as the script tries to find and show the following values:
Code: 
export ROOK_EXTERNAL_FSID=797f411a-aafe-11ec-a254-fa163e1539f5
export...

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Restore large VM wont work - timeout

August 16, 2024, 7:36 am
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Hey,
we are running into issues while we trying to restore an large (1,5TB) vms.
We can reproduce this behavior. Small VMs works fine. Problem exits for different VMs / Backups.
The Snapshots we are trying to restore are verified.
We've tryed this multiple times. It stop on different progress / chunks.
No further tasks ran on the backup server during the restore.

How can we go further and analyse / solve this problem?

I've attached logs for the restore job from PBS and the PVE.
Below...

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Cronjobs auf Debian VM

August 16, 2024, 7:44 am
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Hallo,

ich habe ein eigenartiges Verhalten von Cronjobs die auf einer Debian VM laufen festgestellt. Ich habe keine Erklärung und bitte um Hilfe.

Der Cronjob soll alle 10 Minuten laufen und ein Python Script(DSL Speedtest, Ergebnisse in csv-Datei schreiben) aufrufen.
Mit dem Eintrag */10 * * * * python3 ordnerpythonscript/pythonscript.py in der crontab wird der Cronjob zwar alle 10 Minuten ausgeführt, allerdings nicht zur vollen bzw. halben Stunde.
D.h. um xx:10, xx:20,xx:40,xx:50 läuft...

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VM verliert USB Verbindung

August 16, 2024, 7:54 am
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Hallo,

ich habe am Hostsystem (Minisforum HM90) eine Eaton USV via USB angebunden. Diese wird nach Eingabe von "lsusb" auf der Konsole auch wunderbar angezeigt.
Wenn die USV an eine VM mit aktuellem Debian durchreiche wird diese erkannt und alles ist chick.... ABER

Nach einer gewissen Zeit jedoch verliert die Maschine das USB Gerät und es ist auch unter "lsusb" nicht mehr aufgeführt.
Dabei ist es egal, ob ich den Port oder das Device in die VM durchreiche- der Effekt ist der gleiche.

Am...

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Upgrading Containers to u24.04

August 16, 2024, 8:02 am
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TLDR it failed to boot. Then I upgraded proxmox for some other reason and when it rebooted my upgraded container sprang into life.

So the questions is - is this something to do with the kernel being upgraded? I'd just like to understand that a bit better. I had upgraded containers before and just worked and checked the forums and same advice there.

  • Didn't work : PVE 8.2.2 (Linux 6.5.13-1-pve (2024-02-05T13:50Z))
  • Did work PVE 8.2.4 (Linux 6.8.12-1-pve (2024-08-05T16:17Z))
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I can't use clonezilla to clone my virtual machine

August 16, 2024, 8:02 am
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What's up
i am beginner whith proxmox, i have a clonezilla image, and when i boot with clonezilla, first show the menu correctly but after the screen looks like a old tv and i wait a minuts but nothing happend. any idea? i try with all the options in the clonezilla menu safe mode, other resolutions etc.

Thanks.
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