Network separation and communication questions
My question revolves around traffic flow in Proxmox. I am trying to understand if it internally "routes" traffic between subnets/vlans internally that it "knows" about. Take the simple case (ignoring...
View ArticleNo network on LXCs
Hello I have no idea what happened, but my LXCs are no longer getting any IP addresses. My VMs are getting IPs just fine and are fully online, its just the LXCs. I have a Unifi UDM as my DHCP server....
View ArticleDisk usage under /var/log/proxmox-backup
We're seeing some high disk usage under /var/log/proxmox-backup/. It's varying from a few MB to +200G. What this is temporary data and does /var/logs make the most sense for this data to be temporarily...
View ArticleOne PVE node (no cluster) with Nimble over FC
Good morning. I have a DL360G11 server with FC boards I also have a Nimble with FC and 2 controllers. I'm not going to form a cluster in Proxmox, I'm just going to use a node called SRVPVE01. Can I...
View ArticleShared storage over Fiber channel
Hi all, I am looking for a fast storage for HA cluster. Currently I use Ceph, but it is terribly slow (I have 3 nodes with enterprise class nvme drives. I read many articles about it and its...
View ArticleNode randomly rebooting. Possible watchdog error?
Hey guys, I'm really new to the whole proxmox and networking scene. I have a node set up at the minuet just running a few bits. I have an issue at the moment where the node seems to decide it wants to...
View ArticleGPU Passthrough for an AMD system
Yes, this is another GPU passthrough help request... I've been trying to get this to work for hours over multiple days, and for the life of me I cannot get it to work. I've followed the official...
View ArticlePVE 7.x Cluster Setup of shared LVM/LV with MSA2040 SAS [partial howto]
Hi all, I've been working on setting up my MSA2040 (SAS) to be available in more then just sharing a raw LVM due to the fact that offering a raw lvm only supports diskimages and containers. The idea...
View ArticleProxmox Ceph no rebalancing
Hi everyone, I have currently set up a Proxmox Hyper-Converged Ceph Cluster. VMs etc. are running as desired, so I am now testing crash scenarios. Here I encounter the following problem: If a node...
View Articlewhat is the point of CEPH, if there is no HA?
Hello, I use proxmox regularly and I think I have understood how it works, except what happens if CEPH is installed without HA. We have a cluster of 3 servers. CEPH is installed on each of the servers,...
View Article2 node "subnet" (network noob)
Hey, Perhaps I'm looking for something that doesn't exist or perhaps its just one checkbox away, all help is welcome ! I setup a 2 node cluster, and i setup a simple zone with ipam (pve). vnet0 gives...
View ArticleFailed Fail Over
I have a two node cluster w/ qdevice. I have an ha group setup (mainly to set priority node) and using replication to keep data in sync on both devices. I yanked the plug on the first device, and...
View Article2 Node Cluster
Hello, I have a 2 node cluster set up at home but one of the nodes isn't being used so I would like to remove the node and just go back to a single host. Is there anyway to achieve this without...
View ArticlePVE und PBS - Verständnissfrage
Hallo, wir sichern unsere VMs auf einen PBS Soweit alles dufte! Jetzt war die Überlegung einen weiteren PBS an einem anderen Standort zu machen und dort einmal wöchentlich auch ein Backup ab zu legen....
View ArticleW2022 poor performance
We have done two new servers for customers that need two W2022 vm's on brand new Dell Power Edge servers and we have been having some major performance issue in the VM for both customers. When you load...
View ArticleNetwork is unreachable
Hi, I had a working proxmox server running and after a reboot the machine is unreachable on the network. From the server (logged on locally) I can not ping the router or any other machine on the...
View Article450 4.7.1 Session encryption is required;
Hallo ins Forum, ich habe heute per GPO neue Client-Zertifikate ausgerollt, wovon auch unser Exchange betroffen war. Nun scheint im PMG eine Mail, scheinbar von unserem PVE-Host zu klemmen....
View ArticleVirtIO-Treiber 0.1.248 und Windows-VMs und Performance
Hallo, dass auf Windows-VMs die VirtIO-Treiber 0.1.262 und 0.1.266 zu Problemen führen, ist mir bekannt (Server 2025 bootet nicht, Festplattenperformance gering). Ich bin gespannt, ob neue Treiber hier...
View ArticleMounting old Proxmox HDD to new installation
Hello all! Let me explain my situation. I have a server with two spinning HDDs (hardware RAID, so they show as a single drive to the system) where I installed Proxmox. So this drive is a boot drive, it...
View ArticleNetwork separation and communication questions
My question revolves around traffic flow in Proxmox. I am trying to understand if it internally "routes" traffic between subnets/vlans internally that it "knows" about. Take the simple case (ignoring...
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