cluster

  1. After trying to add a new node to a cluster it is broken - please help!

    My working cluster consisted of 2 nodes. When I was adding the third node something went wrong. The process wasn't finished and just timed out. When I started to investigate possible reasons of such unexpected result, I noticed that I made a mistake while adding a new node to /etc/hosts file on...
  2. Backup Configuration

    Hey Guys, We have a cluster with 5 servers which is setup with High Availability for the VPS's... My only problem now is backups... I need to get a backup solution for the VPS's, so I was hoping to add 1 8TB drive to one of the servers, internal or external, and share it for all to make their...
  3. [SOLVED] lrm (unable to read lrm status)

    I had a server die this past week and I removed it from the infrastructure. I can confirm that the server is out of commission and is pulled from the rack. I removed the node and all is well, or so I thought. The cluster is giving me an issue with regards to it seeming not being able to find the...
  4. Shutting down/rebooting one node reboots the other. HA VM doesn't transfer.

    I realize this is my first post, because I tend to avoid asking questions if I can find the answer on my own. Currently I am unable to find a solution so: I was running one system with Proxmox and recent got some servers for cheap, so I decided to test out clusters and making my VMs HA...
  5. [SOLVED] Problems adding a zfs node (raid1) to a cluster

    Hi, i'm rebuilding a cluster. I've a single node cluster with lvm storage (node1). I tried to add a node (node2) to the cluster, Node2 have zfs storage (raid1) that works fine before i try to join to the cluster, Join process seems fine but after the join the zfs storage on gui is displayed as...
  6. PVE quorum on cluster

    Hi, Basically what I want to achieve is having 2 node cluster with offsite backups for redundancy. In case of node 1 failing, I will restore backups on node 2 and proceed using it. The problem is Quorum on node 2 when node 1 is dead - node 2 does not have a quorum and therefore cannot start...
  7. Best configuration for a cluster-wide virtual switch

    Hi, I have recently set-up a Proxmox VE cluster with 2 HPE DL380e Gen. 8. I’m now looking at the best way to have a segmented virtual network that could span the cluster nodes, so to ensure VMs on the same LAN can communicate to each other regardless of the host where they reside. I have...
  8. Witch 40G Card for a Omnios San Storage Setup ?

    Hello, I'd like to install a test cluster with shared iSCSI storage / SAN. I read that the recommended solution is to use it as storage Omnios/Comstar. Can anyone recommend an Omios compatible 40G QSFP+ network card? ( tested ) I'm reading Illumos compatibility list, but is not so reliable, i...
  9. Proxmox Ceph Cluster Configuration

    Hi all, I read a lot of documentation about Proxmox Ceph Cluster but I can't figure out the best solution for my case. I would like to configure a little 3 node cluster using Proxmox and Ceph with the ability of add in the future more nodes (so more CPU and RAM to the cluster) if needed or...
  10. [SOLVED] I broke LVM on iSCSI in a cluster. Can it be fixed?

    I think I'm in a bit of trouble here. We have a san and it took a lot of effort to get working, but eventually it did through some miracle. I added LVM on top and the first two memebs of the cluster saw it without trouble. Then I realised the other members of the cluster hadn't been set up to...
  11. Add new node with proxmox 6.1 to a proxmox 5.1 cluster

    Hello, I want to add a new proxmox node server to a cluster, and my question is, is it possible to add a new node server with proxmox 6.1 to a proxmox cluster where the others nodes uses proxmox 5.1? If this is not possible, maybe proxmox 5.4 would be compatible with the cluster? If not...
  12. emergency mode - possible cluster issue?

    [edit: removed cluster, rechecking.] [edit2: RESOLVED. it was the problem with the hard drives. removing them from /etc/fstab resulted in proxmox booting up normally] i have two proxmox servers (both on VE-6), added them together in a cluster for testing, everything worked fine the past month...
  13. [SOLVED] PVE 5.0.21 : cluster stopped working after reboot of a failed node while all LCXs on that node were running before reboot…

    Hello I’ve been running a two-node cluster (haumea and makemake, yes I’m into transneptunian objects) for quite some time now, without any problem. Lately, I noticed that on the web interface, one node (makemake) was marked failed, but the containers inside it still worked, so I kept postponing...
  14. [SOLVED] Proxmox VM "LAN" Between nodes

    Hello dear Community, I was wondering how do I set up it the Best Way. I have a simple 2 node test Lab. The Problem: I'm running on my first node a pf sense firewall which connects to WAN over vmbr0 and inject its "LAN" to vmbr100 So Basically every VM in vmbr100 is in the "LAN" Now I want to...
  15. Quorum Activity blocked

    Hi there, We have a proxmox cluster, with each node in the same subnet. The cluster contained 3 hosts and everything worked as it should in the last years. Recently we wanted to add a new host to the cluster. This host is also in the same subnet, nothing changed in the network confugration...
  16. private network between VMs

    Hello everyone Am new here and come need your help . I have two problems here . i have three host servers as cluster in the private range 10.4.48.0/27 , with a datacenter that put it togather the servers in Ip Pool for us . pve1 / 10.4.48.2 pve2 / 10.4.48.3 pve3 / 10.4.48.4 I can move any...
  17. [SOLVED] Cluster no longer exists after node failure

    I have a 3 node hobby cluster running on lenovo rd330's with ceph across all three nodes. I recently had disk failures in one of the nodes that required it be completely replaced. I reinstalled the node and went to add it to the cluster, however the old node was still being shown in the cluster...
  18. migration from iSCSI single to iSCSI multipath

    After a recent SAN issue, it has been recommended that our cluster should be using multipath. In preparation, I installed the various software modules using apt-get but didn't realise that the installation would start the services. I have shutdown and disabled them but now seem to be stuck...
  19. Proxmox 6 Cluster in WAN and low latency

    Hey. Earlier, I used version 5 and a cluster of 4 nodes, one of which was on another network with delays of 30-80ms. To work, I configured corosync to work with udpg and everything worked fine. When upgrading to version 6, I recommended updating corosync and removing the udpu settings as...
  20. How to remove osd/mng/mon when one machine is out the cluster ?

    Hi, I'm testing proxmox, and I need to know, how to remove osd/mng/mon when one machine is out the cluster. Exemple, I have 4 machines, I removed one using of the command "pvecm delete exemple",but the configurations(OSDs, mom and mng) of removed machine stay in cluster. How to delete this...

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