cluster

  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. L

    Proxmox Cluster / different version compatibility

    Hello, So the client have quite old Proxmox cluster with 18 servers in this cluster. These servers running "Virtual Environment 5.4-15". Yes. That old versions of Proxmox. I'm pushing customer to upgrade to the latest version, but it's a long story. Currently they buying a new server. My...
  3. D

    Proxmox cluster does not work (freezes every time)

    Hello, since yesterday nothing works anymore on my Proxmox server, I have already reinstalled both servers, with the official iso file, but on my first server "Proxmox" the cluster does not work, there is always the one with the question mark shown, and when I go to the server in...
  4. P

    HA Cluster Replication Question

    Hello, I would like to set up a Proxmox HA cluster with 2 nodes. I can't use Ceph with only 2 nodes, so I wanted to try replication. With replication, you can set the container to be replicated every 15 minutes, for example. But then I asked myself a question: If my container is running on...
  5. B

    Backup to another node

    Hi. I'm really new to proxmox. I will try to back up my "proxmox" node's vms to "dl380" node. They are in cluster. I have a directory type storage on "dl380" node with the following settings. When I try to run a backup job I received the following error message. I checked the systemctl...
  6. I

    [SOLVED] Proxmox cluster not using Link 0 to migrate VMs

    Hello. Does anyone know why proxmox cluster uses Link 1 instead of Link 0 to migrate VMs? My Link 0 is 10G network card and Link 1 uses 1G card. I was wondering why migration is so slow so I checked NIC traffic with vnstat and I noticed proxmox cluster data goes thru backup link. Is there...
  7. A

    unknown node status when vm backup job

    Help, has anyone encountered a similar problem, a cluster of 3 nodes, one random node freezes, with a VM backup task, restarting networking.service helps and the node comes to life, the VM comes to life after unlocking qm, but the network on the VM does not work if you migrate VM to another...
  8. M

    How to use Ceph storage for directory sharing between two VMs on separate node.

    Example- **************** Cluster- node 1-> has VM-1(on local storage) node 2-> has VM-2(on local storage) I am already using Ceph and HA. I want to use VM-1 and VM-2 "tmp" directory to be synced. I was thinking of mounting some storage from the Ceph storage pool in VM-1 and VM-2 for...
  9. H

    Proxmox Cluster with Ceph on 4 Nodes - but need the Quorum healthy with 2 nodes

    Hello Board, working on a proxmox cluster with 4 nodes. 2 Nodes are Servers for VM's containing all sorts of systems services mostly based on some Linux Distris such as Debian/Ubuntu etc. Those 2 Nodes are running HA and Ceph so they are completely redundant to each others. 2 Nodes are SDN...
  10. C

    Advice Required for Best Practice Configuration of cluster disk drives

    I have 3 hosts (HP EliteDesk Mini i7-9700 each has 2 x nVME slots or can have 1 x nVME and 1 x SSD) which I have placed in Cluster. These machines were Windows 11 previously and I had to change some bios settings to boot and cancel some windows specific security. The attached image shows the...
  11. C

    How to make the iSCSI Synology NAS Drive on the Cluster accessible from the Mac OS X?

    I have configure a cluster of 3 hosts and successfully connected iSCI NAS and the SMB NAS volumes to the Cluster. My question is what do I need to create on the cluster to be able to access the iSCSI from other devices (iPhone, iPad, Mac OS X) via the cluster. The specific reason for me...
  12. A

    [SOLVED] VMs not communicating accross nodes on cluster with SDN VXLAN configuration

    Hello. I'm trying to set up a Proxmox cluster and have VM on multiple nodes communicate with each other but it doesn't seem to work (cannot ping across multiple nodes) I tried to follow the example https://pve.proxmox.com/pve-docs/chapter-pvesdn.html#pvesdn_setup_example_vxlan Here is the...
  13. D

    Two node setup grey question marks everywhere error

    Hi there So I have two physical devices. Both are running Proxmox Virtual Environment Hypervisor. But only one node is up 99% of the time. I decided to have two installations of Proxmox VE and not Proxmox VE and Proxmox Backup Server, because I wanted to be able to do maintenance work or try...
  14. B

    [SOLVED] Problem cluster

    Hello, I would like to delete the cluster but I don't understand why I get this error (the node no longer exists)
  15. B

    Proxmox, Fibre Channel, and 3PAR

    Hello. So I've gone through what I think are the docs regarding PROXMOX and fibre channel presented LUN's. I'm using an older 3PAR 7200 in my lab, attempting to get shared storage between a PROXMOX cluster. So far, I have a fully operational cluster with a shared NFS volume, which performs...
  16. M

    HA With proxmox & PFSense

    Hi all, I’m a little confused on how I would achieve this goal..... I’ve been tasked with migrating over our existing PFSense VSrv & setting up HA in the event a server fails or VM fails. I have setup a Proxmox cluster [ 2xDell R630 as PMS & 1xDell 3040Wyse running debian as a QDevice to...
  17. P

    Is live migration possible between EPYC 7352 and 9XXX?

    We are planning to add a new hypervisor to our cluster. Three existing nodes have an AMD EPYC 7352 CPU and now we are unsure if we should go with the latest EPYC 9XXX processor or if we should stick with EPYC 7352 for the new server. I have already tested the migration from EPYC 7352 to Ryzen 9...
  18. K

    Recipient address rejected: undeliverable address: unknown user: "nigel"

    Hi there, On our PMG Cluster, we have 1 node that rejects all mail for one of our users. Here is a NDR: node1 said reject: RCPT from smtp2.e.amses.net[213.161.89.103]: 550 5.1.1 <nigel@example.co.uk>: Recipient address rejected: undeliverable address: unknown user: "nigel"...
  19. B

    Migrate entire cluster to a new VLAN

    Hello Support, I have a cluster made up of two nodes and I would need to migrate the cluster nodes to a new VLAN (changing the IP addressing) How can I do? Do you have a guided/recommended procedure to follow? Is there a service interruption? Thanks
  20. S

    Node random reboot at around specific time

    Hi everyone! I currently have a 3 node cluster in which node 1-2 is physical servers and the 3rd one is a vm running on unRAID. (proxmox: v8.1.4 [16GB of RAM, 2 HDDs in RAID1 using ZFS, i3-4150 in both node1-2], unRAID: 6.12.4 [16GB of 48GB, 4 cores of a 6 core i5-8400, 2 vm disks on different...

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