corosync

  1. M

    Replacing PVE node in cluster, new node loses quorum

    Hi, We're having some problems replacing a PVE node in a cluster. These are the steps we've taken so far: Turn off pve03 (out of 3). From pve01, remove pve03 from the cluster with: pvecm delnode pve03 Unrack the hardware. Mount a new server to become the new pve03. Perform clean install of...
  2. Q

    pve-cluster (5.0-34) New Features

    I noticed that there's a new feature under the pvecm command to add a qdevice. I have been using Proxmox at home and for clients in a single node local storage configuration for almost a year now, and have been dying to mess with a proper shared storage/two node HA setup. My dream setup would be...
  3. 7

    Seperate corosync network: nodelist or quorum.expected_votes must be configured

    I'm trying to seperate the corosync network in our 3 node cluster (Proxmox 5.3-11) as described in https://pve.proxmox.com/wiki/Separate_Cluster_Network After copying the new corosync.conf to /etc/corosync/corosync.conf I'm getting the following error: Mar 19 10:22:57 proxmox-c1-n3...
  4. R

    Adding a server to cluster causes cluster to crash

    Hi, I have been adding a new server to my Proxmox cluster successfully and after a few mins suddenly all machines were rebooting each other one after another... The cluster is now made out of four servers - they also were all showing for like 2-5 mins that everything is OK and that the corosync...
  5. T

    segfault on all cluster nodes

    Hi forum, we run a six node pve/ceph cluster with two corosync rings. Yesterday we have a segfault on all nodes a the same time. Every node make a reboot. Feb 25 13:16:01 node1 systemd[1]: Started Proxmox VE replication runner. Feb 25 13:16:01 node1 pve-ha-crm[4427]: service 'vm:3064' without...
  6. Y

    Cluster without quorum, Nodes doas't join the cluster

    Hello, i hav 3 nodes cluster, this morning VPS are UP but the cluster status was down, no quorum. i have rebooted 2 of 3 nodes ( the nodes without vps ) but not solved.. LAN is ok and hostname /etc/host is ok. I hav also tried to reboot services on all 3 nodes: systemctl restart pve-cluster...
  7. E

    Problems with migration of VM using rrp_mode

    Hi, I use corosync rrp_mode in my cluster, 6 nodes in total. RRP_mode is passive (used this https://pve.proxmox.com/wiki/Separate_Cluster_Network manual while setting it up). When the ring0 interface is disabled on any cluster node it becomes impossible to migrate the VM using ring1 to another...
  8. ssaman

    can't start cman

    Today we noticed that one of our nodes stopped cman from nothing. it fails to start again: # /etc/init.d/cman start Starting cluster: Checking if cluster has been disabled at boot... [ OK ] Checking Network Manager... [ OK ] Global setup... [ OK ] Loading kernel modules... [...
  9. V

    Cluster storage default configuration

    What method is used to share storage once a host is joined to a new cluster? I've been looking for some sort of config file but haven't been able to find any information about it. Does it use the Corosync network?
  10. X

    [SOLVED] Cluster over LACP bond

    Hi We have 2 nodes Dell M630 each node have Qlogic 57810-k dual port connected to Dell MXL stack. These two ports are configured as bond0 (LACP bond). On top of the bond with vlan 20 is configured vmbr interface for corosync/cluster But it looks like multicast traffic is not passing. - IGMP...
  11. M

    corosync startet nicht

    Ich hab schon mehrere threads zu dem Thema gefunden aber wußte nicht wo ich meine seltsame Beobachtung einbringen könnte die vielleicht zur Erhellung der verschiedenen beschriebenen Probleme beitragen könnte: Ich hab im Moment noch ein einfaches Cluster ohne extra Netz für die Synchronisation...
  12. A

    Corosync network configuration

    Hi I was wondering if this network configuration is supported for corosync ? The vmbr0.4093 is the corosync network and the vmbr0.60 is the managment network. auto lo iface lo inet loopback iface eno1 inet manual iface eno2 inet manual iface eno3 inet manual iface eno4 inet manual...
  13. R

    Corosync In 'Activating' or Start .. and not in Running mode

    Hi!, I'm trying to evaluate virtualization platform for my future project and proxmox seems interesting. had installed in two node and works fine for few days. However after a switch failover one day , one of my node started giving issues. All processes are fine except for corosync . It shows...
  14. C

    pvecm add schlägt fehl

    Hallo zusammen, ich weiß, unter diesem Begriff findet man 1Mio. Treffer unter Google... Leider hilft mir keiner davon weiter. Ich habe eine bestehende Cluster-Umgebung mit drei nodes. Diese läuft noch unter pve 4.4 Jetzt möchte ich beginnen die Hardware zu tauschen und die Umgebung upzudaten...
  15. A

    corosync crash when network unstable work

    Hi all! I found next situation: when link is unstable, (such as network card 10Gbps attached to switch by connectors RJ45 w/o gilding - contacts on network card and on connector can be oxidized), switch can up/down links and after which corosync goes "crazy" - starts loading one core of the...
  16. A

    Corosync: Enhance Sheepdog Storage cluster to Non-PVE Hosts?

    Hi, I currently think about using sheepdog for my shared storage cluster. I have 4 Intel NUCs for this, but I also have some other machines where lot of storage space is wasted currently because not used. So one idea would be to enhance the sheepdog cluster to these too. There is the special...
  17. TwiX

    Multicast - Corosync with RRP

    Hi, Let's admit we have a 3 nodes cluster. Each node have 2 interfaces, first one (vmbr0) for VMs + corosync and the second one for corosync (via RRP in passive mode) Node 1 Interface 1 : 192.168.0.10/24 GW 192.168.0.1 Interface 2 : 10.0.0.1/24 no GW Node 2 Interface 1 : 192.168.0.11/24 GW...
  18. L

    PVE Cluster / Corosync upgrade after installation

    A question regarding upgrading a proxmox cluster and corosync: If I start with a simple setup, ie I don't have a separate NIC and network for the proxmox cluster and ceph, how can I upgrade that later by adding the hardware to the nodes of a cluster? I mean, /etc/pve/corosync.conf can't be...
  19. Y

    Proxmox Cluster over Tinc VPN failed

    Hi, I wanted to create a Proxmox cluster and roughly followed this ( myatus.com/p/poor-mans-proxmox-cluster/) procedure. But I fail because the second node can't join the cluster because Corosync complains. Node 1 = skuld (10.8.0.1) Node 2 = urd ( 10.8.0.2 ) root@urd:~# systemctl --stat=failed...
  20. TwiX

    Proxmox v5.1 - TOTEM retransmit

    Hi, On a 3 nodes cluster (with HA VMs), since few days, I have Totem retransmits everyday at 06:00 (during few seconds). ... Aug 08 06:00:05 dc-prox-13 corosync[2378]: notice [TOTEM ] Retransmit List: 26c62fb Aug 08 06:00:05 dc-prox-13 corosync[2378]: [TOTEM ] Retransmit List: 26c62fb Aug 08...

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