cluster

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    HTTPS Certs for 6 nodes in a cluster

    I am trying to setup HTTPS Certs on a cluster of 6 nodes. Before I added them all to the cluster I had HTTPS certs working on all of them. After I added the servers to the cluster all but the first server lost the HTTPS certs. Am I supposed to only give 1 server HTTPS certs? Do I have to do...
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    [SOLVED] Upgrading a ZFS cluster

    Hello, I have 3 basically identical systems I’m having put together in a cluster. 2 out of the 3 have the same amount of storage but 1 of them has only half the amount. I want to make everything zfs and I am using intel or micron enterprise ssds. With zfs would I be able to slowly upgrade the...
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    Update from 8.0 to 8.2

    Hey everyone, I have a cluster running Proxmox 8.0.3 and I need to add a new node. However, I'm encountering certificate errors and other compatibility issues when trying to add a server with version 8.2. I couldn't find version 8.0 in the Proxmox download archives to install the new server on...
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    Configuring Proxmox Cluster on Dell T3500

    Hi! I need help configuring Proxmox which we would like to use in production in the future, currently the environment will be semi-production and I would like to have it properly configured. I have two T3500 computers from which I would like to create a cluster for learning Proxmox. One of the...
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    Question about CEPH Topology

    Hi everyone, I would like some help regarding CEPH topology. I have the following environment: - 5x Servers (PVE01,02,03,04,05) - PVE 01,02, and 03 in one datacenter and PVE04 and 05 in another datacenter. - 6x Disks in each (3x HDD and 3x SSD) - All of the same capacity/model. I would like...
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    How to setup a HA schema using Proxmox over VPN

    Hello there! I'm trying to configure a Proxmox cluster using a VPN from 2 different geographic sites with a total of 3 nodes. I'd like to enable Ceph cluster using ODS disks but it looks like ceph Monitors and ODS configurations need to use a network in the same segment like 192.168.2.0/24 If...
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    Node reboots after other Node loses network

    Hello all, we are facing a strange issue. We have a two node Cluster plus QDevice on the latest PVE version with HA enabled on the VMs. We are currently in the process of testing the cluster. In order to test the fencing and HA recovery, we pulled the network from one of the two nodes (Node 1)...
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    Poor man's redundancy options

    Hi all, I set up a cluster with 2 nodes running Proxmox 8.2 + 1 qdevice. I have a VM that provides critical network services (DNS, proxy server, etc). This VM rarely changes, so live replication is not required. What I'm looking for: A way to have this VM shutdown, but available to start up...
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    Hardware Feedback - Proxmox Ceph Cluster (3-4 nodes)

    After going down many rabbit holes, I have finally come to the conclusion that the best solution (for my office) is a Proxmox cluster with 4 nodes. Depending on my final build, I might be able to only have 3. For now, I will use both proxmox backup and veeam to backup my VMs to a TrueNAS box...
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    [SOLVED] Neustart von Node im Cluster

    Moin, ich versuche gerade zu automatisieren, dass vor einem Neustart eines Nodes, die VMs, welche eine Replikation haben, zu ihren Replika Nodes migriert werden, damit die Dienste weiter laufen. Leider gelingt mir dies überhaupt nicht. Nutze zur Automatisierung Ansible und wollte, dass er...
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    Proxmox Cluster Network Communication

    Hi Proxmox-Community, [ Duplicate of https://forum.proxmox.com/threads/proxmox-cluster-network-communication.134758/ because it was in the wrong forum ] I've finally decided to upgrade from a single node to a cluster (both run on Hetzner servers). The goal would be that the public IPs of the...
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    Cluster replication

    Hey guys, I hope everyone is okay. I would like to know if it is possible to synchronize two different clusters with similar structures? The objective would be to create a datacenter for disaster recovery and/or contingencies in the event of loss of communication. it's possible?
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    [SOLVED] Three-nodes Ceph mesh network with bond and VLANs

    Hi everyone, I'm designing a new 3-node cluster. It's not the first cluster I make but it's the first with a full-mesh Ceph network (no dedicated switch) . Each node has a double 10G NIC and they're already physically connected each other. So I've been reading the docs and I think the best...
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    mounting CT problem

    Hi everyone, i'm a real beginner on proxmox and I have a problem with the creation of a CT. When I try to create one this message appear: mounting container failed TASK ERROR: unable to create CT 100 - cannot open directory //pool: No such file or directory I don't know why he try to open...
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    [SOLVED] Node 1 Down in Cluster Can't turn on VMs on others

    Hi Proxmox community, Still new to Proxmox but was wondering why it is that if I am adding multiple nodes into a cluster they start acting like a legitimate chain and that if one goes down the entire chain breaks. I am working on two nodes for testing different filesystems and virtual machine...
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    TASK ERROR: 500 Can't connect to X.X.X.X:8006

    Hello! I encountered a problem (in the attachment) when trying to create a cluster of two servers. Shows error 500 without additional information (in some threads there were similar problems, after the address there was still some description of the error), but mine is empty. I did everything...
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    [SOLVED] Delete a cluster

    Hi, I would like to know the correct way to delete a cluster ? I created a cluster for testing proposes, the cluster don't have any node (only itself), so now I would like to delete this cluster because the current IP address is only for test, the IP address for production environment will be...
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    Help!!! Local stoarge on cluster.

    I had some issues with my proxmox cluster and ended up starting from scratch. Im hoping you can help me with this dilemma. I have a 3 node cluster. One of them has Proxmox installed as a mirror on 2 SSD's the other two nodes only have single boot drives. I I installed proxmox on the server...
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    Total cluster failure in the lab

    Hey all, Currently testing CEPH and Proxmox HA on a multi datacenter configuration (with black fiber, so sub ms latency.) I tried to recreate the worst scenario possible : what if all nodes lose the corosync layer? This should never happen, but that's what the lab is for. I'm using Proxmox...
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    help! host Key Verification failed

    I have a 3 node cluster. I had to make some changes since one of the hosts had a drive fail, I reinstalled proxmox and killed the node using: pvecm delnode <node-id>, then readded the node, I then had some issues with the digital fingerprint, ran the command proxmox gave me on all remaining...