cluster

  1. Cannot Create/Join Cluster - No Networking Available

    I've just installed proxmox on a server, recreated all my VMs from esxi, and am now working on creating a cluster between two hosts. Host1 has all the VMs on it (3 LXCs and 2 VMs) while Host2 is brand new. Both are on DHCP with static leases. I was able to create a cluster on Host2 just fine...
  2. random proxmox crash after upgrade to proxmox 7

    i upgraded entire cluster from proxmox 6.4 -> 7 with Ceph Nautilus->Octopus->Pacific the problem: we few centos 7 lxc that we cannot upgrade to 8. i used the workaround from one of the (post in this forum) and added systemd.unified_cgroup_hierarchy=0 to the grub. i applied it to two hosts in...
  3. omping missing from repositories?

    Hi, after upgrading to pve7, it seems like omping is unavailable in the repos? pveversion -v: proxmox-ve: 7.0-2 (running kernel: 5.11.22-5-pve) pve-manager: 7.0-11 (running version: 7.0-11/63d82f4e) pve-kernel-helper: 7.1-2 pve-kernel-5.11: 7.0-8 pve-kernel-5.4: 6.4-5 pve-kernel-5.11.22-5-pve...
  4. icc_send_rec[1] failed: Connection refused

    One of the two nodes of my Proxmox cluster won't start after reboot. This is what I tried: $ pvecm status ipcc_send_rec[1] failed: Connection refused ipcc_send_rec[2] failed: Connection refused ipcc_send_rec[3] failed: Connection refused Unable to load access control list: Connection refused...
  5. Upgrade proxmox from 5 to 6

    Hello, what is the best choice for a 12-node cluster? 1) Upgrade nodes one by one. Initially, the newly upgraded node(s) will not have be quorate on their own. Once at least half of the nodes plus one have been upgraded, the upgraded partition will become quorate and the not-yet-upgraded...
  6. could not activate storage 'local-zfs', zfs error: zpool: symbol lookup error: zpool: undefined symbol: zpool_get_prop_literal (500)

    Hello, We have two nodes that have started to fail when replicating They used to work fine. command '/usr/bin/ssh -e none -o 'BatchMode=yes' -o 'HostKeyAlias=proxmox2' root@10.1.0.241 -- pvesr prepare-local-job 109-0 local-zfs:subvol-109-disk-0 --last_sync 0 --parent_snapname Limpio' failed...
  7. [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...
  8. Proxmox cannot activate new storage

    Hi, I am rebuilding my NAS that my proxmox servers backup too and the cluster must have not liked it when I updated the share. When I go to delete and re-add the share (I do this when it stops detecting my server as-well and it normally works) and I get hit with "create storage failed: unable...
  9. some nodes suddenly go offline in a cluster of five nodes

    After fresh installation of Proxmox VE (7.0-2) for five servers, I created a cluster on one node pub1 and added the rest four nodes into this cluster. Everything works well after the cluster creation and I can see all five nodes online when I use the web interface of any nodes. But after about...
  10. Fingerprint not verified, abort!

    Hello everybody! This error occurs when a node is connected to a worker cluster consisting of two nodes. Please tell me how to fix this error, what is a fingerprint, where can I find it? I'm new, so I apologize early for the incompetence.
  11. Proxmox ceph pacific cluster becomes unstable after rebooting a node

    Hi everyone, I have a simple 3 node cluster that has always worked for many years and successfully passed the updates starting from proxmox 4. After updating to version 7 of proxmox and pacific ceph, the system is affected by this issue: every time I reboot a node for any reason (ie updating to...
  12. [SOLVED] Proxmox VE 6: Neuer Node lässt sich nicht zum Cluster hinzufügen

    Wir betreiben einen proxmox VE Cluster mit 6 Nodes. Wegen Hardwareproblemen musste ien Node ersetzt werden. Diesen habe ich vorher aus dem Cluster entfernt und wollte nun den neuen Node dem Cluster hinzufügen. Dazu habe ich auf dem potentiellen neuen Node proxmox VE 6 installiert. Anschließend...
  13. HA doesn't work in Proxmox 7

    Last week, i tried configuring an HA cluster with 3 computers. Everything went fine till i tested the system by pulling out one of the nodes. The VM switched over just fine but could not start. It returned me the following error: After hours of trying different sollutions, i found a fix for the...
  14. An error occured on the cluster node: corosync: link 1 exists in cluster config but wasn't specified for new node

    HI, Looking for some help with adding 4th node to cluster. I have a 3 node cluster and I am trying to add another node. My 3 node cluster was running PVE6 and I successfully upgrade each node to PVE7 with no issues. The cluster remained intact and has full quorum. I prepared a new node with a...
  15. Is it possible: PVE + shared storage + HA + replication to remote site?

    All of my previous experience of PVE setups related to stand-alone hosts, and PVE is perfect for that. Now we want to connect shared SAN storage to several PVE hosts to have HA available. SAN (we rent it) seems to be FC connected. At the same time we want to have the same VMs copied...
  16. [SOLVED] Can not see zfs pool when trying to make VM

    After configuring my cluster I created my ZFS pool and then created another instance that the whole cluster could use as VM storage but when going to create a VM it does not appear in the storage selection and I cant for the life of me figure out what is wrong. Any help would be appreciated Regards
  17. best storage for a cluster in a hostile environment ?

    What is the best storage choice for a Proxmox cluster in a hostile environment ? By hostile environment I mean an environment with frequent power outages... VERY frequent power outages ... Like 300 power outages in 2 years... The best of course would be to eliminate these power outages by...
  18. Added new host without disabling qdevice, now can't remove the qdevice

    Hi folks. I have a Proxmox cluster that I've had up for a while now, consisting of two nodes and a pi running as a QDevice. I recently aquired a new server so added that as a cluster node without realising that I was supposed to remove the qdevice first. I now have a cluster with a qdevice that...
  19. Ceph-OSD syslog messages “… reset not still connected to ...”

    Hello everyone, We are currently running 7 Proxmox-Servers, all using supermicro mainboards, inside one cluster. 2 servers are used as a Ceph-Backend to store the VM images, so on 3 of the 7 servers Ceph-OSD is installed and running. The problem we are currently facing is that the syslogs of...
  20. Node in Unknown State but VMs online

    Hello there, I renamed one of my nodes today, the Virtual Machines are online and functioning normally however the node is in a 'unknown' state (the grey icon). This node is in a cluster. Any ideas? Thanks, Tom.

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