high availability cluster

  1. M

    Proxmox multiple Ceph for HA

    Example - I have 3 server and Ceph for Proxmox HA. It is using 1 Disk per server. Now, if I have to add a new VM to its isolated storage on 1 new disk per server, but I want that VM to also have HA feature. Is it possible that I can have VMs working on two different Ceph and can work with HA...
  2. C

    Deploy OpenWrt in a HA cluster setup

    Hi, I want to deploy OpenWrt in a HA cluster setup. Why? Remove SPOF for critical components of my IT infrastructure. Therefore I plan to deploy a Proxmox cluster with HA functionality and run OpenWrt on it. However, there are some questions: 1. Which virtualisation of OpenWrt is recommended...
  3. A

    Minimal HA cluster with local storage only?

    Dear forum, I'm a bit lost about what might be the best way to set up a very small HA cluster: hardware: 2x identical nodes with i7, 16 GB RAM, 2 TB SSD, additional NIC with 2x 10 Gbe 1x Raspberry Pi as Qdevice UPS Is there a way to set up the cluster in a way that the two worker nodes are...
  4. ahayes

    [High Availability] Manually Invoke Cluster Resource Scheduling Migrations?

    Hello. I am relatively new to Proxmox VE but have been up and running with a 5 identical node cluster with Ceph storage and a remote PBS in production for about a year now and went through the excellent Croit online training a few months ago. Up until now, I have been shuffling VMs around...
  5. R

    [SOLVED] Tuning

    Good afternoon. I have a production HA setup with shared iscsi. I fear I've misconfigured things and am stuck with the poor performance I'm experiencing. I have 5 HA hosts. 4 active with guests and #5 for voting only. - Each is dual port 802.3ad LACP bound 10 GIG MTU 9000 - HA configured iSCSI...
  6. F

    Ceph Ruined My Christmas

    Merry Christmas, everyone, if that's what you're into. I have been using Ceph for a few months now and it has been a great experience. I have four Dell R740s and one R730 in the cluster, and I plan to add two C240 M4s to deploy a mini-cloud at other locations (but that's a conversation for...
  7. 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...
  8. 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...
  9. 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...
  10. 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
  11. 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...
  12. 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 -...
  13. 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...
  14. 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...
  15. 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...
  16. 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...
  17. 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...
  18. 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...
  19. 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...
  20. 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...