corosync ha quorum

  1. S

    Half of the hosts in the cluster automatically restart due to abnormality

    I especially want to know what protection mechanism the PVE cluster has to allow the host to automatically restart. Environment: There are 13 hosts in the cluster: node1-13 Version: pve-manager/6.4-4/337d6701 (running kernel: 5.4.106-1-pve) Web environment: There are two switches A and B...
  2. B

    Primary Corosync Link Failure, Redundant Link Not Taking Over

    Hello all, Before I begin I want to thank you all for your great posts/replies here. We've been using Proxmox for over 1 year and have never made a post as we've always found the answers here by searching (and that could be the case here, but I'm currently on vacation and wife gonna kill me if...
  3. M

    Lost quorum while all nodes are online

    Hello there, last week I updated my PVE two node Cluster, but after rebooting since a while i ran into some problems: Both nodes currently are online, but keep complaning that there is no quorum. In the webui this looks like this : Anyway from the webui of both nodes i get the actual...
  4. K

    Host based firewall - corosync issues (udpu)

    Hello, I'm trying to set up host based firewall. There are two hosts which run Proxmox (latest version) and I just want to secure them via host based firewall. I understand that the firewall is applied in that way - datacenter -> hosts -> vms. So I made some ip sets for easy recognition of the...
  5. M

    [SOLVED] Corosync/HA logic

    Hello, 3 Node Test Cluster. Test Case: Cut off node10 (master) cluster network connection ha-manager statuson node08: quorum OK master node10 (old timestamp - dead?, Tue Jan 8 17:12:52 2019) lrm node08 (active, Tue Jan 8 17:13:31 2019) lrm node09 (idle, Tue Jan 8 17:13:34 2019)...


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