cluster

I've been giving "remote migration" a try for the first time today, moving machines live from a single host running ZFS to a new cluster running CePH. It worked tremendously well—without issues and on the first try—for all VM's but one, which always fails with the following errors. I tried...

Hi everyone, Merry Xmas! I hope someone can help with the following basic problem: I have just created my first cluster by adding a single new node. I would now like to set up the internal SSD in order to transfer some VMs over to it. However, it's not working like the master node. fdisk -l...

Ceph is great, but it needs some resources above the theoretical minimum to work reliably. My assumptions for the following text: you want to use Ceph because... why not? you want to use High Availability - which requires Shared Storage (note that a complete solution needs more things like a...

Hello, i am planning to move my one node Proxmox server with VMs to a new 3 node Cluster with Ceph Pool. Now are my questions: 1. Whats the best way to move the VMs to the according Ceph Pools on the Cluster, with minimal downtime. 2. Is there a way for testing to just copy a VM from the...

I have just finished up a full 3 node cluster/HA deployment in the lab, and I am finding it to be a time bomb for small/medium businesses due to too many single points of failure for the cluster. My concerns revolve around cluster corruption due to power failures outside of a data center...

Hello! I have bough 2 new servers and I have created cluster with those 2 nodes, now I wanna add old node which has al my VMs to new cluster and live migrate all VMs. Thing is when I try to join to cluster from old node I get this error: root@home-node-5500:~# pvecm add prox-02.domain.tld...

Hello, I work for multiple clients and one of them wanted us to create a Proxmox cluster to assure them fault tolerance and a good hypervisor that's cost-efficient. It's the first time we put a Proxmox cluster in Production environment for a client. We've only used single node proxmox. Client...

Hi everyone, I'm new here, basically this is my first post on this forum, and I do have an issue with my Proxmox. I do have two proxmox servers in cluster and, I try to add a Windows VM (from NODE1) to a domain, which is on NODE2. Unfortunately, there is no connection, the nodes have connection...

We have a cluster of 25 nodes, all machines are backed up on PBS. The last update to the latest version, on proxmox nodes on which we have VM and LXC, was carried out on 24.11. However, on 3.12 in the morning, a problem appeared with one node. CPU load on one node increased to 100%, it was...

Dear forum members, I have encountered several questions regarding the operation of High Availability in Proxmox VE and would like to discuss them with you: Why does the pve-ha-crm failover process exceed a processing time of more than 60 seconds, with a significant increase in CPU usage...

Hallo allerseits, ich bin quasi neu hier :). Ich betreibe mein Homelab mit 5 Servern seit Jahren unter ESXi und nun ist endgültig die Zeit gekommen, alles auf Proxmox zu migrieren. Ich habe das Thema Proxmox schon lange auf dem Schirm und mich immer mal wieder informiert, aber so richtig...

Hello everyone, I would like to share some issues I’m facing with a distributed 7-node cluster on Hetzner, hoping to gather suggestions or ideas on how to resolve them. Cluster Configuration: • Nodes: 7, distributed across Germany and Finland. • Purpose: Simplify VM migration and...

TL ; DR - I don't care which host the High Availability VMs move to, as long as it doesn't exceed 4 VMs per host. Can this be done? Full Story - I am planning out a 4 host cluster (and 1 QDevice) of PVE with HA active using CEPH Storage and plan to run 8 Windows Server VMs across all hosts. I...

Hi, I have issued can't connect to shell another node pve cluster after I changed ssh port with custom port

Hallo, ich würde gerne wissen, wie ich 2 Nodes aus verschiedenen Netzen zu einem Cluster verbinden kann. Ist dies nur über ein VPN möglich, oder gibt es andere einfachere Alternativen? Vielen Dank im Voraus für eure Antworten! ---- Hello, I would like to know how I can connect 2 nodes from...

BACKGROUND I work for a small business that provides a 24 hour service on our servers and requires as close to 100% uptime as possible. Our old IT company sold us 2 identical Dell R420 servers several years ago with a single 6 core processor, 4x 3.5" 600GB 10K SAS HDD in RAID10, and 16GB RAM and...

Hallo, wir haben nun seit einiger Zeit ein Proxmox Cluster am laufen. Wir betreiben 4 Server mit 128 x AMD EPYC 7543 32-Core Processor (2 Sockets), 512GB RAM und Ceph mit insgesamt 16 OSD´s. Bei der Performance von Linux Servern ist alles optimal. Hier haben wir keine Probleme mit...

I have been experiencing an issue with one of the nodes i just joined to my cluster. It was in an old cluster and worked perfectly fine. For some reason in this new cluster i keep getting this issue. I am able to get the error to explain itself when i'm migrating a vm so that's why in the...

Hello all: As I rebuilt my Proxmox cluster from scratch, I attempted to configure ACME certificates for the first time. I had no issues and got all (3) nodes working initially. The following day, I could not log into nodes 2 and 3 via the UI but could via SSH. The only change was that the ACME...

I have bought 3 identical servers, both have a 10gbe network adapter with dual ports. I want the cluster to communicate via the 10gbe network adapter but each individual server via 1gbe port to the router. If one of the nodes fails, i want it to fallback to the next server. So far, i have...