cluster

  1. E

    What is wrong with High Availability?

    Test scenario, 3 nodes - pve{3,4,5} - default PVE install (LVM, so no ZFS), 1 container set as HA, started on pve3. Figured out replication not possible without ZFS, alright, never mind, pve3 went down, HA attempted to restart CT on pve4, no volume available, still understood. Now when pve3...
  2. L

    remote-migrate : cannot store CT rootdir

    Hi guys. I'm trying to remote migrate a VM off a ver. 8.x cluster to ver. 7.x - I presume above error is due to 8 to 7 being backward incompatible that way or... it can be done? What manual tinkering would it take if possible? many thanks, L.
  3. M

    [SOLVED] Remove node from cluster/datacenter after physically removing the device

    Hi folks! I have a small homelab and I had 4 PVE nodes: pve0, pve1, pve2 and pve3 in 1 datacenter/cluster. I was looking to turn pve3 into PBS, so I simply disconnected the hardware and installed PBS there. When I login to GUI on pve0/pve1/pve2 I still can see pve3 and I'd like to get rid of...
  4. S

    Cluster

    So I have 3 servers that are all slightly different hardware if that matters. I installed them all with the same installation ISO. Run updates on each server. Joined all 3 servers to the cluster. However, server02 is facing some kind of issue. It shows as being part of the cluster (local or...
  5. M

    SDN CLASTER VXLAN DHCP and SNAT not worked

    Hi, I configured 2 Proxmox 8.1.3 servers in one cluster and configure SDN zones as VXLAN. 1. No option turn on DHCP 2. When SNAT checked on subnet, no snat rules /etc/pve/sdn/zones.cfg vxlan: vxlan peers 10.33.3.20,10.33.3.21 ipam pve mtu 1450 nodes pve1,pve...
  6. hoffmn01

    2-node cluster - mail loops back to myself on target domains for one node only

    Hello Proxmox-Forum, we do have a storage error. We are running a 2-node cluster of the latest mail gateway version in HA mode. One of the nodes started to make trouble delivering mail to external domains (Microsoft-based and others). The error is reproducible. The error message on the node1 is...
  7. H

    [SOLVED] Master node in cluster cant restart pvedeamon or pveproxy

    Hi, I noticed I could not access the GUI for my master node, but could from any of the other ones nodes part of the cluster. I got pve ticket error trying to access. I updated the NTP as they were not in sync and now they are. Trying to restart pvedeamon and pveproxy they simply hang. I can see...
  8. I

    No networking after moving VM within cluster.

    I have a cluster of 5 Kubernetes vm's and I am trying to move 2 of them to another proxmox server in my 3 node proxmox cluster. I removed the cloudinit drives, migrated the vm's and re-added a cloudinit drive, but the 2 VM's I moved don't have network access after the move to the new server. The...
  9. J

    [SOLVED] Proxmox remove dead node from a cluster of 3 nodes

    Hi, I'm new to proxmox cluster setup. I've setup a 3 nodes on a cluster with a dedicated network. Recently, one of our nodes crashed and unable to recover (basically it's dead). I want to remove the dead node from the cluster but I'm afraid that it might also broke my other 2 nodes. From the...
  10. B

    Proxmox Cluster auf Wireguard Netzwerk?

    Hallo zusammen, bisher haben wir nur Docker Swarm verwendet, wollen nun zwecks erhöhter Sicherheit auch noch eine Ebene mit VMs einziehen, Proxmox sieht dafür sehr geeignet aus. Wir wollen 3+ Bare Metal Server bei Hetzner nutzen, VSwitch steht nicht zur Verfügung (mehrere Verträge), wir wollen...
  11. K

    VM Server Failover on Different Static IP

    Aloha, I have setup Proxmox 8.1.3 with an Ubuntu 22.04 mail server VM (zimbra) that has a static WAN Ip at site 1 I want to setup a replicated Mail server at Site 2 with a different static wan ip, So that if Mail server 1 goes down, Mail server 2 picks up and starts. Problem - The Static Ip is...
  12. P

    Wie VMs migrieren auf neuen Proxmox Knoten

    Hallo zusammen, ich migriere derzeit meinen ESXI zu Proxmox - mittlerweile habe ich einen temporären Proxmox 8.1 installiert und auch schon alle VMs von ESXI zu Proxmox migriert - mittels scp und vm importdisk. Alle VMs laufen nun auf dem temporären Proxmox Server und meinen alten ESXI habe...
  13. M

    Network configuration for a new cluster

    Hi there. I have 3 nodes and I would like to set up a cluster, using a Dell M5024 SAN as a storage, accessibile via iSCSI. I know that this setup have drawbacks (no thin provisioning, no snapshots) but I already have the hardware, so I have to deal with it. Each server has: 8 10Gb ports 2...
  14. S

    Need Help Removing Node from Proxmox Cluster

    Hello Proxmox Community, I hope this post finds you well. I'm currently facing an issue with my Proxmox setup, and I'm seeking advice on how to gracefully remove a node from a Proxmox cluster. Issue Summary: I accidentally created a Proxmox cluster with only one node, and now I'd like to...
  15. C

    To separate ceph cluster or not?

    I have a 6 node hyper-converged cluster where 3 nodes handle compute with SSD OSDs and other 3 nodes with HDD OSDs (they handle no compute). In the years since the first deployment a few patterns emerged: HDD pool is used exclusively for CephFS SSD pool is used exclusively for RDB (HA VM...
  16. V

    [SOLVED] Cluster wide networking management with SDN

    Hi, I just want to know how do you guys manage the networking for big proxmox clusters ? In my case I need to have multiple external networks for my VMs. For that, I create a dedicated vlan on my network switches and then configure a linux vlan interface on top of my linux bond and then add a...
  17. D

    Proxmox Cluster - How to manage Postfix configuration accros all nodes, CTs and VMs?

    Hi there, A quick question about Postfix configuration: how do you guys manage this effectively within your cluster? Do you have a dedicated container that does SMTP relay and "collect" emails from the rest of the cluster? Do you do it by node? What about CTs and VMs? I'm running a 9x nodes...
  18. L

    Project guidance Raspberry PI VM cluster

    Hi! I am planning to do a new fun project! I want to try to create a Raspberry Pi cluster which I can host my own Virtual Machines on. And I got some recomendations to use proxmox as hypervisor. But I have some questions. 1. Do I need a sperate computer/device as the main hypervisor outside...
  19. K

    Proxmox cluster architecture choice

    Hello, My company wants to set up a proxmox infrastructure but we're hesitating between two choices (we can adjust the hardware configuration of each server). We want to have at least 5Tb of usable storage. Depending on the choice, we invest in a backup server (PBS or TrueNAS replication) a...
  20. A

    [SOLVED] Single Node Unavailable - Cluster Not Ready

    Hi, we have a 3-node Proxmox VE 5.2-9 cluster (with CEPH) that is having issues with one of its nodes synchronizing. Connecting to its GUI, the node is online but all VMs are Offline, and starting them results in the message: "Cluster not ready - no quorum". pvecm status (node 1) Quorum...

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