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macOS Sequoia RX 6600 XT passthrough - boot logo black screen

April 10, 2025, 3:51 am
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Hello peoples,

maybe I am in the wrong forum but I am frustrating about using a RX 6600 XT on a MacOS Sequoia. I can passthrough the GPU and I can start the boot of macOS where I will see the gray Apple logo boot screen but right after the loading bar processes the screen turns black and the VM hangs. I am using https://github.com/luchina-gabriel/OSX-PROXMOX to setup the VM and tried different variations of `-v debug=0x100 keepsyms=1 agdpmod=pikera` as args to make the GPU work. May...

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Disk cache settings for VMs on BTRFS

April 10, 2025, 4:14 am
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I'm a little confused with the documentation. The BTRFS page says
Code: 
BTRFS will honor the O_DIRECT flag when opening files, meaning VMs should not use cache mode none, otherwise there will be checksum errors.
which I understand to mean set the disk cache to anything other than none.

However on the ZFS and Dir pages say that write back should be used instead of none if the storage does NOT support O_Direct.

What should I set my disk cache to for VMs on Proxmox 7? Thanks!
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PM893 in RAID 1 ZFS

April 10, 2025, 4:17 am
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Hi, this hard disk model is only recommended for Proxmox + VM and LX installation in ZFS software RAID 1 mode.
Thank you very much for your time
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Realtek 8125 NIC not working on Proxmox with X870E motherboard (no network)

April 10, 2025, 4:22 am
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Hello,

I'm having a serious issue getting the network interface to work on my new system using the **X870E motherboard** (which includes the **Realtek RTL8125 2.5GbE NIC**).

After installing Proxmox VE (both 8.1 and 8.2 tested), no network interface is detected at all. Running `ip a` only shows the `lo` interface (loopback), and `lspci` confirms the NIC is present:


I also tried loading `r8169` and building the latest **Realtek r8125 driver** from source (v9.015.00), but the NIC is still...

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Failed to start proxmox-backup-proxy.service after update to 3.4

April 10, 2025, 4:29 am
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Just updated to PBS 3.4 and after a reboot the proxmox-backup-proxy.service refuses to start:

Code: 
systemd[1]: Starting proxmox-backup-proxy.service - Proxmox Backup API Proxy Server...
proxmox-backup-proxy[1505]: apply old journal log rrd.journal-67f79b3b
proxmox-backup-proxy[1505]: thread 'main' panicked at /usr/share/cargo/registry/proxmox-rest-server-0.8.9/src/connection.rs:154:38:
proxmox-backup-proxy[1505]: called `Result::unwrap()` on an `Err` value: ErrorStack([Error { code: 167772350...

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HA's decision to reboot all hypervisors of a cluster that came together after 1/3 of the hypervisors failed.

April 10, 2025, 4:29 am
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Hi all, we are facing a problem which is HA behavior, the other day we lost network connectivity with one of the three datacenters which was hosting 1/3 of the hypervisors from the cluster, the cluster itself consists of 37 hypervisors. Expectedly 1/3 group of failed hypervisors tried to form a quorum, but unsuccessfully
Code: 
Mar 27 23:51:16 avi-proxmox-infra-sd01 corosync[323214]:   [QUORUM] Sync members[14]: 4 11 12 13 17 18 19 22 23 27 28 31 32 33
Mar 27 23:51:16 avi-proxmox-infra-sd01 corosync[323214]...

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Kein PXE-Boot bei UEFI Boot

April 10, 2025, 4:31 am
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Hallo zusammen,

ich betreibe eine kleinen Proxmox-Single-Server und habe seit einigen Tagen das Problem, dass bei allen Maschinen der PXE-Boot beim Starten "weg" ist.
Vor 2 Tagen habe ich 2 zusätzliche Netzwerkkabel angeschlossen, um dem Server auf den verschiedenen NICs verschiedene VLANs zur Verfügung zu stellen.

Bei bereits bestehenden VMs erhalte ich auch IPs aus den versch. VLANs - da die Ports am Switch dementsprechend eingestellt sind.

Der Server ist ein Dell R740 mit insgesamt 6...

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webhooks configuration

April 10, 2025, 4:33 am
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Hi Team,

I have configured the webhook for my endpoint (mattermost), we are receiving the alerts as per the JSON code, but the values are missing in the out put.

Below is my code for backup fail event.

~~~bash
{
"text": "Proxmox Backup Job Notification",
"attachments": [
{
"title": "Backup Job Failed",
"text": "Backup job for VM/CT '{{resource_name}} (ID: {{Job_ID}})' failed.",
"fields": [
{
"title": "Job Name",
"value": "{{Job_ID}}"...

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[DHCP] Single node install ONLY (no static reservation necessary)

April 10, 2025, 4:38 am
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This updated version of this guide is now available as GIST.

It is not possible to maintain Tutorials here.
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Change postmaster domain name

April 10, 2025, 4:47 am
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When I setup a notification email (Notify Sender action object) , the email is sent out with the envelope email address postmaster@pmg.mydomain.com, which is my PMG's hostname. I want it to use just the domain name, not the hostname, such as postmaster@mydomain.com. When the system uses the hostname and it sends out the notification to a Gmail email address, it is being rejected because of Gmail's SPF requirement. We have an SPF record on mydomain.com but not pmg.domain.com...

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Problem mit HDD Spindown

April 10, 2025, 4:51 am
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Hallo zusammen,
nach häufig unregistriertem mitlesen und einem für mich nicht lösbaren Problem, habe ich nun endlich mal einen Account erstellt und wende mich hilfesuchend an euch.

Erst seit ein paar Wochen habe ich eine Toshiba MG10 an meinem kleinen Heimserver, die lediglich als Medien-Datengrab dient. Zunächst habe ich sie kontinuierlich drehen lassen und nachdem sie vollendens gefüttert wurde, je nach Bedarf auch mal eine ganze Woche nicht benötigt wird, wollte ich sie zwischen den...

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Probleme mit dem Mounten von VirtIO-FS in Proxmox VM - Fehler bei Mount und fehlender Daemon

April 10, 2025, 4:58 am
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Hallo zusammen,


ich habe aktuell Probleme beim Mounten eines Host-Verzeichnisses in einer Debian 12 VM unter Proxmox. Ich möchte VirtIO-FS verwenden, um ein Verzeichnis vom Host zur VM zu mounten. Hier sind die Schritte, die ich versucht habe, sowie die Probleme, die auftreten.


Umgebung:​


  • Proxmox Version: 8.3.5-pve
  • Gast-OS: Debian 12
  • Host-Verzeichnis: /mnt/fstab_UUID_System_storage/agent-dvr-storage
  • VirtIO-FS Mount-Punkt in der VM:...

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Problem with NVME disks with EXT4-fs error

April 10, 2025, 5:01 am
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In the first place let me disclosure that I've searched the forum for this error but I didn't saw a "solution" to this problem that applies in my case.
Second, this is consumer hardware because I just want to try Proxmox and use it in my homelab setting.

Going to the issue...

I bought some new hardware and installed the latest Proxmox (8.4-1). Around 20m with the system running I get a
"EXT4-fs error (device dm-1): ext4_journal_check_start:84:"
"EXT4-fs (dm-1): Remounting filesystems...

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proxmox-firewall - switching and default rules

April 10, 2025, 5:02 am
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hello,

im figuring out which firewall to use. im looking to proxmox-firewall. i was a bit suprised when turning it on, that 8006 accepts incoming connections by the default rules.

table inet proxmox-firewall {
set v4-dc/management {
type ipv4_addr
flags interval
auto-merge
elements = { 192.168.178.0/24 }
}

set v4-dc/management-nomatch {
type ipv4_addr
flags interval...

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Lun allocation from DELL Storage direct to VM with zero interuption

April 10, 2025, 5:05 am
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Hi Guys.
I have been hunting around the internet for a few days now. I am helping some of our guys with a test Proxmox setup. The issue we have is this. In the symmetrix powermax world. For direct management from a deployed management VM. We need to assign some luns from the storage. Directly. Just like RAW devices in VMware.

This allows us to send our syscalls over the device connection to the arrays and execute commands on the array via our cli solution. We need these devices to be seen...

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Console fonts retention

April 10, 2025, 5:10 am
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I am able to set console fonts using the following command, just like any other Debian/Ubuntu based distro:

sudo dpkg-reconfigure console-setup

However the settings are lost after reboot. Any suggestions on how to make it permanent?
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Problem mit HDD Spindown

April 10, 2025, 4:51 am
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Hallo zusammen,
nach häufig unregistriertem mitlesen und einem für mich nicht lösbaren Problem, habe ich nun endlich mal einen Account erstellt und wende mich hilfesuchend an euch.

Erst seit ein paar Wochen habe ich eine Toshiba MG10 an meinem kleinen Heimserver, die lediglich als Medien-Datengrab dient. Zunächst habe ich sie kontinuierlich drehen lassen und nachdem sie vollendens gefüttert wurde, je nach Bedarf auch mal eine ganze Woche nicht benötigt wird, wollte ich sie zwischen den...

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Tape on PBS incomplete runs not a single restore point is usable

April 10, 2025, 5:13 am
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Hello, since some days and the last upgrade to the latest version of PBS (3.3.4) we run into troubles with backup to tape. Tape writes until 99,1 % and then runs out of space and just fails. So in the content folder you see the tapes then marked as incomplete and none of the written backups can be used:

1743675339844.png
is this by design?
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Backup over 100%

April 10, 2025, 5:14 am
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I am trying to do a backup of 4 VMs every 5 minutes.

I see this in a log.


INFO: starting new backup job: vzdump 149 150 139 158 --mode snapshot --fleecing 0 --quiet 1 --prune-backups 'keep-daily=14,keep-monthly=1' --notes-template '{{guestname}}' --mailnotification always --storage BACKUP --mailto
INFO: skip external VMs: 139, 149, 150
INFO: Starting Backup of VM 158 (qemu)
INFO: Backup started at 2025-04-10 14:05:00
INFO: status = running
INFO: VM Name: VM1
INFO: include disk 'scsi0'...

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Build Cluster Proxmox with SAN FC

April 10, 2025, 5:14 am
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Hi all,

Please Help me,

currently the server & storage are already in VMware, the servers already connect to SAN storage over sanswitch and we want to migrate to Proxmox

How about the best practice and guide for build Cluster with SAN FC in Proxmox .

Please help
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