cluster

  1. K

    Replication of a VM between two independent Proxmox clusters (LVM storage)

    Hello, I am facing a design question regarding VM replication between two independent Proxmox clusters. Environment Two separate Proxmox clusters (Cluster A and Cluster B) No shared cluster configuration Both clusters use LVM storage (no ZFS) Inter-site VPN link Proxmox Backup Server...
  2. R

    Storage for small clusters, any good solutions?

    Hi there, the Title may be a bit deceptive as I know there are good solutions that work for many but for me/my workplace we face a bit of a dilemma. I know I'm opening this can of worms again and this is also partly me venting a bit of my frustration and I'm sorry about that. We wanna use...
  3. P

    [SOLVED] VM replication to unclustered node or separate cluster

    Hi everyone, we're currently running a small cluster (4 nodes + qdevice) in a single server room and would now like to physically move two nodes to a separate location for some georedundancy. Those two servers are mostly hot spares, replicating VMs and other data from the primary ones. Because...
  4. D
  5. T

    Rolling Cluster Update Script

    I thought I would share a script that I created and have been using to do rolling updates for Proxmox clusters: https://github.com/thanegill/proxmox-upgrade-cluster It doesn't cover all edge cases but does a decent job of waiting for the correct things to happen in the correct order. Issues and...
  6. J

    storage status unknown in cluster

    Hi all. I just got my new server and I wanted to migrate some of my cts and vms from my old server (node1) to the new server (node2). So what I did, was 0. upgrade node1 from Proxmox 8.1.* (latest) to 9.1 1. to create a cluster on node1 2. join the cluster from node2 3. this is where it got...
  7. S

    [SOLVED] Clustering issues

    (This is a non-production environment) After a recent power cut, I ended up with a split cluster which consisted of three nodes (may switch came up last... After repeated attempts to reboot them all, one at a time, two...I gave up. Grantted, I should have asked for help at this point... One...
  8. E

    Proxmox Cluster

    Hello, I am doing some test about clustering two physical nodes along with a qDevice VM which role is to complete the quorum for a healthy cluster. The storage used for the VMs is an iSCSI share based on a 2022 Windows Server. The storage is accessible for both nodes. The first test I...
  9. T

    [TUTORIAL] How to Configure Fibre Channel SAN Storage with Multipath and High Availability on Proxmox VE 9

    Hi, guys i just finished my post about the "How to Configure Fibre Channel SAN Storage with Multipath and High Availability on Proxmox VE 9" , if you have some advices /tips are welcomed...
  10. J

    Storage for production cluster

    Hello everyone, I am reaching out to you because we are trying to migrate from VMware VSAN to Proxmox. First, let me give you a quick overview of our current situation. We have a cluster of three nodes (vxRail) with 10 HDDs and two SSDs (vSan in cache tiering) and a 10G network. I have done...
  11. M

    Shared Storage across 10GB Fiber for a ProxMox Cluster?

    Hey all. I have a configuration question for my home lab setup. Currently I have a 12-bay Dell PowerEdge r540 with 12 x 3.5" drive bays. I would like to maximize my storage on that server and use it as a shared ZFS pool across the network. The servers will have their own network away from...
  12. yboujraf

    Ceph storage hosted on proxmox nodes shared with K3S cluster ?

    Dear, I am facing to a choice to share the existing ceph storage from proxmox cluster to K3S cluster. Is it best practice to do that or need to SoC and each cluster has his own storage ? If proxmox manage the ceph storage is it a good governance ? Some clarifications are welcome. Best Regards,
  13. A

    vm migration error on node reboot

    I'm getting vm migration error during node reboot due to kernel update on a 3 node hyperconverged cluster with ceph installed. Error is here: Cleanup after stopping VM failed - org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not...
  14. K

    NTP Not synced correctly

    NTP doesn't sync correctly with only one of my computers in my cluster, and I was wondering how I could change the NTP time or maybe sync it correctly? Here is the status of it, its about 5 hours off. Yes, my system is called butt. ● chrony.service - chrony, an NTP client/server Loaded...
  15. A

    [PROXMOX CLUSTER] Add NFS resource to Proxmox from a NAS for backup

    I've encountered a synchronization and availability issue when using NFS network storage within a Proxmox VE cluster. - Environment: Proxmox VE Cluster with 2 nodes (node 01, node 02). - Storage: Synology NAS shared via NFS. - Configuration: The connection to the NAS is made through a public IP...
  16. A

    [PROXMOX CLUSTER] Shared disk for VM

    Hi everyone, I have a Proxmox cluster with 2 nodes. Node 2 has a 12TB disk (currently empty) that I’d like to use as shared storage between both nodes. My goal is: Store VMs on this shared disk Be able to migrate VMs between nodes without copying the disks Be able to take snapshots of those...
  17. P

    Multiple nodes without a cluster

    Greetings. I wanted to suggest a feature; having one unified page to control multiple nodes without clustering them. It should behave just like when you add a clustered node, show up in the tree view like it does but have no quorum requirement(s).
  18. J

    Probleme mit ZFS zur Clustererstellung

    Hallo, habe Probleme mit dem ZFS und komme nicht weiter. Ich nehme an das ich bei der Einrichtung der Laufwerke ein Fehler gemacht habe und hoffe der ist noch zu korrigieren. Habe 2 Knoten wie folgt eingerichtet: Irgendetwas habe ich wohl falsch gemacht. Die Replizierung läuft durch. Aber...
  19. J

    Ceph full-mesh ( no switch) performance issues when live migrating Windows VM

    Hello Everyone I seem to struggle when it comes to the Ceph full-mesh cluster created. I made one using a bond on each node using the fiber NIC's two interfaces of 25Gbps fiber card. Later I made an additional corosync link, not sure if this picks up if the other is down. I have created a pool...
  20. A

    Proxmox Setup with FaultTolerance for Zero Downtime (10 years later)

    Would love to know more about COLO Lockstep Fault Tolerance as it's already been in development for years. Curious to know what are the challenges holding up the implementation?