quorum

  1. K

    [SOLVED] Node configuration

    Hi all. I wanna ask a few questions: 1. if proxmox nodes in HA cluster must have the same specs (ram, cores). Ive read the documentation for HA but im not sure if it is implied that nodes must have the same specs. i will create a test cluster anyways this week, but would save me time if i have...
  2. T

    [SOLVED] Cluster lost quorum after last update

    Hello, We are running a simple cluster of two nodes ( pve 5.4.13). After last update ans reboot of the two nodes, cluster lost quorum after few minutes. We made several tests and tried many solutions showed in this forum with no luck. omping command ran on two nodes returned this ...
  3. S

    proxmox reduce quorum votes / fencing

    Hi all, Today, I rebooted one node and every node of cluster rebooted... Now, the details: I have a cluster of 4 nodes, where 1 is constantly down, because it has a hardware failure and we are waiting for spare parts. So, the cluster has 4 nodes, where 3 of them are alive. Now, I rebooted one...
  4. E

    Cluster Without Quorum

    Hi All, I just want manage my all node from single screen, but on Proxmox I think ths is not possible without Cluster system. In this moment Cluster system use Quorum because of that if I will close my any node then Quorum not allow me create any guest, or activate any quest.. We can any way...
  5. N

    Moving proxmox cluster servers physically. How to proceed to not broke quorum?

    Hello, i need to move my server rack with 8 Proxmox servers to different location. My network interfaces where the quorum is running on internal network /not the internet/. I can move all servers at once, or better i preffer to move one after another to reduce downtime How to proceed, when i do...
  6. S

    Need to update Switch in a cluster

    Hi, The question may be stupid, however I need to update the switch where the nodes in a cluster are (not with shared storage). It’s clear that doing this will make the quorum unavailable, does it make any problem right now ? I mean, let’s imagine the switch dies or whatever, should I be...
  7. J

    cluster not ready - no quorum? (500)

    hallo zusammen, in meinem cluster ist ein client kaputt gegangen. eine wiederherstellung ist nicht möglich, die fragen nach backup etc. erübrigt sich also. dazu 2 fragen: kann ich das cluster entfernen? wenn das cluster entfernt werden kann, sind die laufenden VMs dann noch funktionsfähig...
  8. Y

    [SOLVED] Not working: pvecm expected

    Hi, I have 2 nodes in a cluster (i know it is not recommend...) and need to set the expected value from 2 to 1: "pvecm expected 1" But after i get still this output: Votequorum information ---------------------- Expected votes: 2 Highest expected: 2 Total votes: 2 Quorum: 2...
  9. V

    Can't add node to cluster

    Hi everyone, I'm trying to add a node to a cluster, but it keeps getting stuck at "waiting for quorum..." I can get past it by doing "pvecm expected 1" on the node, but it doesn't actually add it to the cluster. journalctl -f shows this over and over again: Jun 29 01:33:40 waifu-pve...
  10. TwiX

    Proxmox V5 - IGMP Snooping querier - Switch replacement

    Hello, One of our swichs is currently the IGMP snooping querier. We plan to remove this switch which is an old Cisco 2960. Few days ago I decided to turn this switch off. All my V5 clusters lost quorum and many nodes rebooted. Is it possible to configure a second switch to be the IGMP...
  11. A

    Cannot add node(s) to cluster

    I am having a hard time adding SOME nodes to an existing cluster. all nodes are freshly updated and running same version of proxmox-ve, as follows: # pveversion -v proxmox-ve: 5.1-42 (running kernel: 4.15.15-1-pve) pve-manager: 5.1-51 (running version: 5.1-51/96be5354) pve-kernel-4.13: 5.1-44...
  12. K

    Proxmox HA - 50% nodes online quorum

    Hi! I have 4 nodes cluster. I want to have a quorum when two of them are offline. I tried setting auto_tie_breaker in corosync.conf and corosync-quorumtool -e 2 but both methods didin't work. How to configure that? And another question, why changing corosync.conf after creating cluster with...
  13. aasami

    [SOLVED] Adding sencond node to cluster faled

    Ihave tried to add a node2 to newly created cluster on node1 which failed: [root@node2]# pvecm add node1 The authenticity of host 'node1 (10.0.0.1)' can't be established. ECDSA key fingerprint is SHA256:aRIk8xO64eUL5RVX7uxy5BlIeg6EjtqKc7KWnKLruQE. Are you sure you want to continue connecting...
  14. A

    [SOLVED] Adding third host to unicast 3-host cluster fails

    Hi there, I'm currently trying to setup a 3-host cluster in a datacenter where multicasting isn't possible (Hetzner) so after I read about UDPU in https://pve.proxmox.com/wiki/Multicast_notes and some tests locally I was fairly positive that this is going to work. However I only was possible to...
  15. P

    Node seems to no longer be in quorum

    So, I have a node that dropped off the network last week. Turns out the switch port went bad. I got it plugged into a different 10 gig port, and brought it back up. But, corasync kept restarting, and the node kept joining and leaving the quorum. I am guessing that perhaps the NIC is also...
  16. M

    Ceph: New Monitors showing no Quorum

    I am having an issue with proxmox on using Ceph. Ceph itself is working great. But when I add a new proxmox unit with ceph, specifically adding a monitor it will show up as a monitor, but will show under the quorum tab quorum no. See attached screenshot. As you can see mon.3 and mon.4 have no...
  17. P

    2 Nodes cluster unicast problem?

    Hi, There is now some week, I have a problem with 2 nodes cluster (Proxmox 4.4-5) When I reboot node 2, the cluster stop and say 'Quorum not ready' on node 1. I think I have a unicast problem: omping node1 node2 node1 : waiting for response msg I have see that sometime, Node1 reboot too...
  18. R

    How to Deploy a 2 Node Cluster on ProxMox 4.x VE

    Hello everybody, I'm writing this short article because I spend myself a lot of time by finding the right configuration to get this working. First of all: A 2 Node Cluster is not a very good way to create High-Availability or even Fail-over scenarios because corosync is not able to create a...
  19. Coolguy3289

    [SOLVED] Cluster Not Talking

    Hello, I have just setup a cluster, and the node was added successfully. However, the new node isn't communicating with the master node. and vice versa, even though it was able to establish a connection to eachother. I had to open another SSH shell to the new node and set the expected quorum to...
  20. J

    quorum problem, creating cluster

    Dear, We try to create a cluster, when we add the second node, we receive the following errors: From the web interface: cluster not ready - no quorum? From command line where we created the cluster on: Quorum information ------------------ Date: Thu Dec 29 12:58:38 2016 Quorum...

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