cluster configuration

  1. G

    Join a cluster programmatically without using the root password

    I'm creating a system for work to automatically deploy servers with proxmox to then be provisioned and then later decommissioned. The entire point of this system is that I don't pay for server time I don't use, so a lot of my work is creating code to automatically deploy servers on demand. I now...
  2. S

    [SOLVED] Unable to add new cluster node

    Hi all; I've run into an issue trying to add a new cluster node. The new cluster node, when added to the cluster, fails to populate /etc/pve correctly with the necessary information and ends up with pve-ssl.key errors (file not found, etc), and does not join the cluster successfully. The new...
  3. Y

    [quorum] Quorum LARGE cluster minimum online servers? any workaround?

    Hi all, As I understands it, for a cluster to be accessible from the GUI, we need half of the servers running +1 I have a cluster of 10 servers and I find it pretty annoying to be forced to keep 6 servers On all the time. Is there a way to get only 3? Under low month workload I could keep...
  4. L

    No available interfaces for cluster creation

    From the documentation, it seems to suggest that using a separate network interface for the cluster is optional, but when I try to create a cluster, there are no available interfaces to use. The current deployment only has one interface which is slaved by the linux bridge. I can add another NIC...
  5. B

    Problems with clustering

    Hello all. I wanted to cluster my 2 nodes. I accidentally clicked 'join cluster' on both nodes... Now, on both nodes I have only one possibility and that's : 'Join information'. Is there a possibility to undo this? My Proxmox versions are 7.1.8 and 7.1.12 Hope anyone can help me. Thanks!
  6. R

    Trouble Joining Nodes to cluster

    Hello, So ive run into a bit of an issue. I am going to join nodes to a cluster but for some reason 2 nodes didnt join. They just show up with red x's in the summary and I cant sign into their web interfaces after refreshing the page. For the 2 nodes Im seeing errors for the pve-cluster.service...
  7. S

    I cannot reach the VMs in the cluster subnet

    Hi, I have installed proxmox on an OVH cloud, following a restart of the cluster I can no longer reach the VMs of one of my subnets. In practice I have a vm that has the wan in the subnet 192.168.3.x / 24 and from the cluster it is not reachable. below I am attaching the configurations set on...
  8. H

    Proxmox Ceph Cluster - VLAN Tagged VM's not Communicating

    Hey Everyone, I am slowly reaching the end of my Ceph Cluster project and the absolute last thing I need to accomplish is setting up my PVE so that I can create VM's for the different VLAN's in my existing environment. So far I can confirm I can create VM's and have them migrate successfully...
  9. Orkhan

    Cluster

    Hello! I accidentally created a cluster with the wrong IP. There are currently active and important virtual machines in the cluster. How can I delete or modify a cluster without deleting the virtual machines? Then I'll create it again. Thank you very much!
  10. L

    Hybrid cluster

    Hi everyone! Does someone use servers with ceph and blade-servers in the same cluster (blade-servers use ceph storage and additional datastores) PVE 7.1-8 Thanks a lot for answers.
  11. A

    Problem with mds

    Hi all, I have a cluster with 3 nodes (pve, pve1, pve2) Here the version information: root@pve:~# pveversion -v proxmox-ve: 6.4-1 (running kernel: 5.4.157-1-pve) pve-manager: 6.4-13 (running version: 6.4-13/9f411e79) pve-kernel-5.4: 6.4-11 pve-kernel-helper: 6.4-11 pve-kernel-5.3: 6.1-6...
  12. J

    [SOLVED] Join Cluster Failed: "* this host already contains virtual guests"

    I'm trying to join a new PVE node to an existing cluster. All the machines are on PVE 7.1-8. When I attempted to join the existing cluster from the GUI's "Assisted join", I get the following error. () detected the following error(s): * this host already contains virtual guests TASK ERROR...
  13. B

    Multiple Cluster Errors in Node

    Hi all, i have added a node (192.168.1.140) to my proxmox cluster (192.168.1.120). The initial add didn't work properly via the GUI because an NFS share wasn't accessible to the node (at least I could see it as a warning in the log). But the node was added to the cluster and I can access the...
  14. K

    Cluster Hardware

    Hoping someone can point me in a direction. I'm trying to find out if it would be worth my while for me to setup a Proxmox cluster of 3. My Current Proxmox Setup Proxmox is running on a single old desktop hardware (CPU: i7, RAM: 32GB, plenty of HDD space for the VMs), looking to upgrade in the...
  15. C

    [SOLVED] Remove Node -> Join Node & Update packages.

    Hi guys, I will need your help, I am Patryk, during the past month I was working as Developer but as Hobby I was doing the sysAdmin/Hardware thing for our company. The main SysAdmin left the company, so it is now in my sholders... I was left alone, I think with not so good configuration...
  16. J

    Add node to a cluster from another network

    Hi, I'm kinda new to proxmox and i wanted to know if it is possible to add my proxmox server in my friend's cluster who's in another network ? And if this is indeed possible, how can i do it ? Here's some screenshots so you can see how the issue look like. Thank you very much for reading my...
  17. V

    10GbE cluster network(s) - 3 nodes without switch

    Hi, I made fresh installation for 3 cluster node with network as follows: is there any option to set up a cluster? if not anything I can do to set up a cluster? Now each node has hosts to point to other two nodes, and at OS level communication are working properly But at set up cluster seems...
  18. J

    Migrating a 3 cluster node to a new subnet

    Greetings! I am still fairly new to Proxmox, and I have found myself in a similar position with regards to this post here. Do I need to recreate the cluster if I want to migrate it to a new subnet? Since Changing the hostname and IP is not possible after cluster creation.
  19. H

    [SOLVED] one node cannot see other nodes in a cluster

    Hi, I got a problem. I have set up a five node cluster wIth the latest version (7.0-2) on each of the five nodes. The nodes can see each other at first. However, after about one hour, one node cannot see the other four nodes. Meanwhile, the other four nodes show very slow performance and...
  20. H

    Advice Regarding ProxMox Cluster Hardware Setup

    Hello Everyone, For quite some time I have been looking into building myself a server cluster to run my Virtual Environment that will host various types of services both internally within my homelab and some that are externally accessible. I have been looking into using ProxMox to achieve this...

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