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Proxmox cluster in limbo

January 10, 2025, 7:20 pm
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Hi all - I have a Proxmox 7 cluster in a state that has me concerned.

Everything on them was running. Then I couldn't access the web interface. So I tried restarting pveproxy. The restart command hangs.

Anything I do with qm hangs.

pvecm status shows all nodes are up and I have quorum.

I rebooted one node and can no longer see its vms on the web, so they didn't restart.

I can access the web interface on the rebooted node, but login fails with Connection failure. Network error or...

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How to optimize ceph performance in proxmox？

January 10, 2025, 7:21 pm
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I use 4 Dell R740 8 SSD disk slot servers to deploy Proxmox in the lab. 2 of the disk slots use RAID1 for installing the system, and the other 6 disk slots use Samsung 870EVO as CEPH storage.
But after deployment, CEPH's performance is very poor. I used fio to test it, and the iops was very low.
Code: 
root@localhost:~# fio --rw=write --ioengine=sync --fdatasync=1 --size=22m --bs=2300 --name=mytest --filename=/dev/sdc
mytest: (g=0): rw=write, bs=(R) 2300B-2300B, (W) 2300B-2300B, (T)...

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How to convert Raspberry Pi OS images and import to Proxmox

January 10, 2025, 7:25 pm
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I have Proxmox installed on a Raspberry Pi 5.

I wanted to have the VMs use the official Raspbian OS images. These are the steps to do it, looks more than it actually is. It was also based off my previous guide to do this on ESXI.

ESXI instructions similar

On a Linux computer:

Code: 
apt-get install qemu-utils

Download a Raspberry Pi Image
Code: 
xz -d 2024-03-15-raspios-bookworm-arm64-lite.img.xz

qemu-img convert -f raw 2024-03-15-raspios-bookworm-arm64-lite.img -O qcow2...

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Any recommendations on “gaming” GPU for VM

January 10, 2025, 7:37 pm
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Hi!

So I guess I don’t expect to have a straight up flawless experience doing anything visual through a VM but was really wanting to find a GPU where I can, though a VM and on same LAN, experience Gnome top of the line and yeah, some gaming.

I am good for spending $$ if it’s legit but hoping 100-200 range.

With that said, and in a separate card recommendation, do they make cards where you can split to 2-3 vms for gnome/gaming, out of curiosity

Thanks friends
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New Proxmox as a replacement for ESXi

January 10, 2025, 7:53 pm
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Here at work we use ESXi and are looking to replace it with Proxmox since Broadcom is hell bent on killing itself.

In the test setup I have I have server running proxmox that I was able to import VMs from ESXi very easily. Worked great. I wanted to similar a failure and reinstall Proxmox on a clean drive and Import the VMs, something thats very easy to do in ESXi.

The issue that Im running into is
1. How do I import VMs from an old install to a clean install? The VMs are stored on a...

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Enabling Windows Virtualization-Based Security

January 10, 2025, 9:26 pm
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Hello,

I have multiple Windows 11 24H2 guests with virtio-win-0.1.266 drivers installed, and QEMU agents.

Virtualization of all sorts is enabled in server BIOS, and CPU is set to host for these virtual machines, as to ensure that they can nest virtual machines inside due to business requirements.

Still, I cannot enable Credential Guard, - virtualization-based security seems unable to enable, confirmed by msinfo, where it states that VBS is "Enabled but not running", despite being forced...

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Drivers for Windows 9x?

January 10, 2025, 10:36 pm
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Curious if there are VirtIO drivers available for Windows98 or even older versions like 95 or even 3.11, and also just general drivers for stuff like display, mouse, keyboard etc. I installed Windows 98 just for fun and nostalgia but the cursor keeps loosing sync with console making it hard to use. Ex: my real cursor won't correspond with the one in the OS, so I keep hitting edge of window with real one before the one in OS gets there, and of course display is stuck at low res too. Curious...

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Proxmox Server Allows only One VM to Connect to Internet and any other VM Doesn't Connect

January 10, 2025, 11:24 pm
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Hi

I have a Proxmox 8.3 installed dedicated server. I have created two VMs with ALmalinux 9 installed on them. I have set of 13 usable IPs on my dedicated server.
I can use the first VM with different IPs but second VM doesnt work with any IP. Both VMs are identical in every way, as they both have Almalinux 9 as OS and no other software or configuration running on them. So, the issue must be with the bridging of the Proxmox.

Hence, my first VM works regardless of which IP I set it up on...

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2 Node HA Cluster ohne QDevice aufbauen geht das?

January 11, 2025, 12:19 am
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Moin,
ich würde gerne für kleinere Kunden einen HA Cluster mit 2 Nodes und ohne QDevice aufbauen.
Aktuelle habe ich nur einen 2 Node Cluster ohne HA im Einsatz. Das funktioniert sehr gut. In einem Disasterfall müssen halt die VMs auf dem Backup Node per Shell aktiviert werden. Es müssen die Hüllen der VMs in das Node2 Verzeichnis verschoben werden. (mv /etc/pve/nodes/node1/qemu-server/100.conf /etc/pve/nodes/node2/qemu-server/100.conf ) Dann erscheinen die VMs auf dem Node2 und können wieder...

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VE 8.3: unable to send notification to discord webhook

January 11, 2025, 12:30 am
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Slow restore speed on Ceph

January 11, 2025, 12:35 am
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Hello Everyone,

Need your expert advise on Ceph with PBS. Please find the below current configuration.

3 Node Ceph Cluster: Xeon Gold 6254 + Ceph Volume (2TB+2TB+4TB - Micron 7450 NVME) each node + 640GB DDR 2999 Mhz + 1GBps NIC for production + 1 GBps NIC for backup and Ceph sync

PBS: 16 Core Xeon E5 + 250 GB DDR4 RAM + 6x4TB MX500 SSD Raid 10 (LVM-Thin) + 1 Gbps Nic.

We also have other Proxmox server running with LVM-Thin Raid 10. While restoring on these LVM-Thin we get around 160...

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Setting up a new drive for Plex storage

January 11, 2025, 12:43 am
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Preface - I'm a Proxmox/Linux newbie - all my experience is with Windows.

I've installed Proxmox and have Home Assistant (VM) and Plex (LXC) installed. I've just added a hard drive (/dev/sdb), that I would like to use to store media for Plex sharing. That's as far as I got before running out of knowledge and skill!

From here, I need to know the steps to create the folder, and Plex point at it. I would also like to share this folder so I can copy files to it from my Windows PC. Can...

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Cannot grant Shell/CLI permissions with @pbs, LDAP or other non pam accounts

January 11, 2025, 1:44 am
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Hi Folks,

I've recently tried in Proxmox Backup Server to create a new account for a new admin with full admin permissions, but there's some existing shortcomings that are noteworthy that I want the general public to be aware of. (I'm currently using v2.4-3 and these issues appear to exist even in the latest v3.2 versions too).

This user was created in the @PBS realm, and granted the "Admin" role with full permissions to full scope.
  1. Sys.Console being granted doesn't work and...

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LUN Backup Restore - Restore VM

January 11, 2025, 2:11 am
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Hello, Running PVE 8.1
I have LVM backed iSCSI on Synology NAS with multiple machines on a 2TB LUN.

I do a LUN backup every other day. One of the machines, (id 121) lost some data.
I restored LUN2 to a different volume as LUN2-COPY, and I want to recover the disk for just VM 121 from the backup and copy it to the real LUN2.

I'm not sure where to start - should I add LUN2-COPY as an iscsi target and see if i can enumerate disks? not sure if it will conflict with existing machine IDs on the...

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VM RAW Disk durchsuchen

January 11, 2025, 2:13 am
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Hallo zusammen,

wie kann man ein RAW Disk eine VM Mappen und druchsuchen?

Laut Anleitungen um Internet sollen all RAWs in Verzeicheniss

/var/lib/vz/images/<vmid>

1736590254764.png

1736590309101.pngliegen. Ich sehe aber für meine VM kein RAW. Gibt es ein andere Verzeichniss wo man suchen soll?

Das ist die Festaplatte, wo alle VM Disks liegen

1736590401110.png


Auch unter /dev/pve nix zu finden

1736590622430.png


Auf /dev/sdb3 kann ich nicht zugreifen

1736590803516.png
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Aufteilung 1TB SSD nach frischer Installation

January 11, 2025, 2:15 am
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Hallo zusammen,

ich bin relativ frisch bei Proxmox und habe gerade auf einem Dell Thin Client Proxmox installiert in der Standard Konfiguration.
Im Thin Client verbaut ist eine 1TB SSD.
Nun wurde vermutlich bei der Installation für das root (/) Dateisystem nur 96GB zugewiesen.
Die restlichen 816 GB wurden dem pve-data LVM Pool zugewiesen.
Dieser ist leider nicht als Laufwerk eingebunden.
1736501301926.png
Konkret benötige ich aber mehr Speicherplatz auf dem Root oder TMP File System, um VM Images...

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Simpler lxc user mains via gui

January 11, 2025, 2:27 am
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The uid and gid making that you need to do in the .conf file is one of the most esoteric things in its complexity. It's also quite error-prone.

My suggestion is that, under resources in the proxmox ve gui, you can simply map lxc user to host user (and groups) via user name. It would give you a list of existing users on host and lxc but also allow typing in ones that don't exist. It then runs all the necessary commands on the host and config in the. Conf file to set this up, including...

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Disk and File System Configuration?

January 11, 2025, 2:32 am
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Hello,

I am currently using Proxmox v.7 on a Dell OptiPlex 3020 equipped with an Intel Core i3-4160 (Dual Core 3.6GHz 3MB w/HD4400 Graphics), upgraded to 16GB of RAM and a Kingston SSD UV500 960GB drive, to run a Home Assistant VM and a second one for Windows 11. I also have an old Synology NAS for photo storage.
I would like to set up a configuration to integrate the whole thing, keep a RAID to secure the DATA (in addition to external backups).

Mon usage:
  • Home Assistant...

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Question about Promox and OpenWRT

January 11, 2025, 2:33 am
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Hello Guys,
i am new on promox and for what i see is exelent, very good... now i have a question... i have a old computer that i install Promox, and have installed 2 VM, for tests now only, before go all in on proxmox...
vms that i install was one with ubuntu desktop and one with OpenWRT, i allready have configured OpenWRT and everthing is running good, have internet and everything, i configure the network card on ubuntu and got ip on server trought DHCP that came from openwrt settings, but...

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Ceph Ruined My Christmas

January 11, 2025, 2:40 am
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Merry Christmas, everyone, if that's what you're into.

I have been using Ceph for a few months now and it has been a great experience. I have four Dell R740s and one R730 in the cluster, and I plan to add two C240 M4s to deploy a mini-cloud at other locations (but that's a conversation for another day).

I have been running Ceph on one subnet with 10GBe NICs. Most of my LAN is 10GBe, except for PIs and NUCs (for personal use) and PBS (working on a better solution for that). I have done a...

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