high availability cluster

  1. O

    Replikation und HA im 2-Node Cluster

    Ich bräuchte einma einen Rat aus der Community: Ich baue in meinem Unternehmen einen zwei Node Cluster mit (wahrscheinlich) einem Q-Device auf. Meine Frage wäre, ob es möglich ist auf beiden Nodes eine gleiche Menge von VMs zu verteilen und dann trotzdem noch Ausfallsicherheit und die...
  2. J

    Node aus bevor Migration zu Ende

    Hallo Zusammen, Im Proxmox Cluster ist eingestellt dass VMs über HA migrieren sollen, wenn ein Knoten down ist. Dies hat allerdings bei einer Node mit vielen VMs zu einem unerwarteten Verhalten geführt. Die Migration ging sehr lange, und bei ca. 50-75% migrierten VMs ist der Knoten einfach...
  3. D

    simple clustering question

    im currently using hyper v and have some clusters setup. ive only just started tinkering with proxmox on a single server, and currently have 3 identical servers, and 2 others that are different. if i moved all servers over to proxmox would they all work together without any issues or would they...
  4. B

    CRS (cluster resource scheduler)

    Hi i am about to deploy a 7 host proxmox cluster and want loadbalancing. Ive read alot about CRS but to me its unclear whether CRS is only used for bringing up HA machines or whether it can handle live migrations to loadbalance my servers any help is appreciated
  5. A

    Node1 Unexpected Restarts Despite Configuration Adjustments - HA

    Hi everyone, I'm experiencing an issue where NODE1 in my Proxmox VE cluster is restarting when both NODE2 and NODE3 are powered off, even after I've made several adjustments to the corosync.conf configuration. Below is a summary of the setup and the steps I've taken: Configuration Overview...
  6. F

    New cluster build, taking suggestions and recommendations

    Building a three (3) node cluster. Each node is: Dell R620 Dual E5-2690 v2 @ 3.00GHz 768GB ECC RAM 2x 10Gb Ethernet 2x 1Gb Ethernet Dell H310 flashed to IT Mode - 8x Crucial MX500 4TB SSD 3x StarTech Dual M.2 PCIe SSD Adapter Card - 6x Crucial P3 4TB NVME SSD 2x SanDisk 128GB USB SSD -...
  7. S

    Fiber Channel SAN and Multipath after a reboot

    Hi all, i managed to configure Proxmox with a fiber channel SAN (HPE MSA2062) and multipath-tools. Everything is fine until i reboot, everytime the disk is showing LVM2 Member instead of mpath_member. After that when i migrate or create a VM, i have an alert that i'm accessing a multipath...
  8. S

    HA with SQL Express and Pervasive SQL VMs?

    Hey all, we currently have a 1-Node VMware setting in one of our locations which runs two VMs with one sporting SQL Express (currently still 2017) whilst the other has a Pervasive SQL database. Backups are done via Veeam to an external storage at a separate location via "broadband" (quite...
  9. C

    Proxmox Cluster Project: Advice Needed on HA, Backup Strategies, and ZFS Issues

    Hello Proxmox Community, I'm writing to get some advice on a Proxmox cluster project involving two main homeservers and a third site for backup storage. My aim is to enhance individual service availability by using already available hardware and high availability (HA). Both main sites host...
  10. D

    HA TIME

    hi guys, i have a cluster of 3 8.2.2 nodes. As a shared Storage i configured successfully the ceph cluster. Everything works fine, migrating a vm to another host works fine without interruption. But in case i turn one node the vm which ran on it took about 4 minutes to get online again on...
  11. C

    High Availability State Options and Quick Transfer

    Morning Everyone, I was looking deeper into the High Availability States and I thought at first I misunderstood the directions but the options are for Start, Stop, Ignore, Disabled. Start forces a startup, stop forces shutdown , ignore allows for manual start and stop but no more resource...
  12. J

    SR-IOV and HA

    Hello all, I have a configuration that utilizes SR-IOV to create VF's that are then passed to my VM's to allow high speed traffic with no additional overhead. When trying to migrate it complains about the local device. All nodes in my cluster are identical, i wanted to know if anybody has...
  13. C

    Anfängerfragen zur Hochverfügbarkeit

    Hallo, ich habe bisher Proxmox auf einem gebrauchten HP ProDesk laufen mit ioBroker und Home Assistant. Läuft alles super. Proxmox VE 8.2.2. Ich möchte mich nun mal mehr mit der Hochverfügbarkeit beschäftigen. Ich habe noch einen Raspberry Pi 4 rumliegen, den würde ich als QDevice nehmen...
  14. I

    AMD Epyc based Single Node or Cluster

    I am having a dilemma with my server configuration, namely I have 2 servers running at Home. Problem Statement: I am considering to setup 3 node Proxmox HA Cluster with CEPH considering all 3 nodes with same specs as Server 1 (given below). If I were to do this, what kind of performance gains...
  15. L

    Anyone have a good video tutorial for the new SDN stuff?

    I want to learn SDN and see how I can implament it into my current 4 node proxmox cluster. I've had a look at the proxmox documentation and the information isn't sticking. Just wondering if anyone knows a good youtube video on it that talks about all its features and how to use them.
  16. C

    Nginx Proxy Manager is able to connect to my domains on the internet, but I cannot reverse proxy into VMs on the same bridge that tracepath 1 hop away

    I'm quite unsure of what is happening. I've been struggling with this for the last two weeks. So I've installed proxmox on my home machines. My gaming PC has a GPU passthrough working well enough, and my Windows VM feels like a natural PC with all my USB ports forwarded and everything. I even...
  17. F

    sync interface for pfSense CARP HA cluster

    Hi, I am thinking to add 2 mini pc nodes with dual NICs and create my first ever proxmox cluster. I am already running pfSense on my single node. to do HA on pfSense, you need a sync interface. This would mean that I need 3 network interfaces: WAN, LAN and Sync Since I have only 2 NICs...
  18. M

    How many network cards do I need to build 3-server HA system?

    I learned that we need one Internal IP for HA data transfer and one for public use IP. I am not sure how it works Please suggest. Do we need two network cards per server? (Dual Port 10GbE for HA and Dual Port 1GbE for other use)
  19. L

    [SOLVED] HA Cluster: One Node goes down, all other Nodes goes in reboot

    Hello, we have a 3 node PVE cluster (7.4-16), with separate cluster interfaces. The cluster interfaces are in a bond (LACP). The cluster interfaces are connected to two Cisco Nexus switches. Over the weekend our complete HA cluster failed. According to the logs of the other servers, the...
  20. M

    Configure HA Cluster

    Hello. I'm new to proxmox and I'm trying to configure a High Availability Cluster with two nodes. I have some VMs in one of the servers (node 1), and, in case it gets down, I wanted them to continue operating in node 2 without losing information. Currently, I am using an external vote to...

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