high avaibility

  1. D

    [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...
  2. D

    Scaling beyond single server. Suggestion wanted.

    Hello, I have been running 1U Xeon e5 2620 v4 CPU with 4 Sata SSD(Adata SSD 1tb SSD, very slow for ZFS:( ) configured on ZFS mirrored stripe. It run well for me but it doesn't have enough IO for my VM needs. So I recently we purchased Amd Epyic 7351p with 8 NVME ssd (Intel P4510 1TB) to solve...
  3. C

    [SOLVED] Howto setup watchdog?

    Hi, I'm running PVE cluster on 6 nodes. In total 2 different server models are used, but all are from Lenovo. In the server configuration I can define 3 types of server timeouts: OS Watchdog Loader Watchdog Enable Power Off Delay I read here that by default all hardware watchdog modules are...
  4. A

    Firewall cluster Active/Active

    I'm not sure if there is the correct site to explain this case. I want to make a firewall cluster with load balance and High Availability. I thought to use Proxmox for the cluster and make 2 nodes for the load balance and 2 more for the HA. The problem is, how can I make the load balance? I...
  5. S

    HA with Ceph and separate Ceph cluster

    Hello, I'm curious to get feedback if this setup makes since or I'm looking at things from a bad angle. I currently have a Ceph cluster setup with 4 servers 11x4TB HDD's 10g for pub/priv. I'm thinking of setting up 3* proxmox servers with 1HDD for OS and 2 SSD to act as OSD's for a proxmox...
  6. H

    Best Proxmox Scalable High Availability Setup and Configuration

    I am trying to setup the best minimum scalable HA setup and Configuration. I read the documentation on High Availability, however I have some questions that are not well discussed in the documentation. I was thinking of starting with 4 servers: 2 x front end server that will use a central...
  7. Y

    High availability VM cluster with ceph

    Hi all, I have a 3 nodes cluster with a ceph storage (3mon, 3 OSD and a CephFS installed). I enabled the High Availability feature for my virtual machine and when I shutdown one of the nodes, my VM migrates to another and restarts. My VM is a Windows 2012 R2 server. My question is : is there a...
  8. K

    Bonding LAG with multiple switches

    Hi I have a question about bonding and HA. I want to create a HA PVE cluster, but I am confused with the bonding and its mode. See this simplified picture. I have two switches (Mikrotik CRS317, not stackable) and multiple PVE nodes (just one signed). What should I configure to create a HA...
  9. K

    Cannot query HA resource details with pvesh

    Proxmox version: 5.2-8/fdf39912 I'm trying to find out, which node a vm is currently routed to, so I thought this command might be useful: pvesh get /cluster/ha/resources/vm:101 However, it only sends back the following error message: Use of uninitialized value in string eq at...
  10. R

    Bringt HA irgendwas bei fehlendem shared Storage?

    Hallo zusammen, ich stelle mir die Frage ob bei 3 Nodes im Cluster, aber fehlendem Shared Storage, die HA option irgendwas bringt? Ich kann ja durch die Replication z.b. ein minimales "failover" threoretisch machen? Also alle 2min Replication wäre für meinen Anwendungsfall "ok" Daher meine...
  11. S

    Minimum requirements for full high availability (PVE+CEPH)

    Hi there, I'm quite new to Ceph and Proxmox. And I was wondering what the minimum requirements are for running a full high available cluster. Right now to my understanding this would be: - 3 PVE nodes. - Ceph with 6(?) OSDs And of course the redundant power/network etc. but this question is...
  12. M

    Extra container mount point and HA migration

    I have two nodes cluster setup (actually three nodes with the third used for quorum). I'm using LVM volume storage (not thin provisioning) on top of DRBD on first two nodes. The LVM storage is marked as "shared". I created an LXC container and can migrate it between nodes without any problem...
  13. Z

    Fibre Channel, shared storage, how?

    Hello, I'm looking into a new setup using Proxmox. I will have 4 x Proxmox Nodes, each with a FC HBA. These will be connected to another Server with FC HBA in target mode, running FreeBSD or Linux (not sure yet) with 2 zpools (we will have different storage for SSDs and HDDs). What is not...
  14. A

    [SOLVED] HA: Use of uninitialized value in ha-manager

    Good morning everyone, I'm posting today because i would like to use the great HA features that proxmox offers but it seems some variable is not defined so when i try to migrate manually (with the gui or with "ha-manager migrate vm:100 proxmox4") the VM it doesn't work. The problem that pops...
  15. William Edwards

    Configuration fails to validate because IDREF attribute name references an unknown ID

    Note: I've changed the actual domain name to 'x.nl'. I'm trying to configure a two-node cluster on Proxmox VE 3.4. What I've done so far: Created the cluster; Created fencing users using IPMItool; Joined the second node (px01) to the cluster created on the first node (px01); Created a new...
  16. R

    Configure Hardware Watchdog / IPMI Fencing

    Hi, We are testing a Proxmox Cluster. I want to setup IPMI or Hardware Watchdog (Intel) Fencing. However the documentation i found in https://pve.proxmox.com/wiki/Fencing seems to be outdated and the admin guide just refers to "/etc/default/pve-ha-manager", where I could enable the line...
  17. K

    Node died but VM failed to migrate with HA

    Hello, I have a three nodes cluster and all seems to be running ok. All VM's are connected with iSCSI shared storage and I can live migrate from a node to another without problems in few milliseconds. However, the other day a node rebooted without apparent reason and the only VM managed by HA...
  18. K

    Node rebooting without apparent reason

    Hello, I just realized that a node of my PVE HA cluster rebooted w/out apparent reason so I wanted to make some troubleshooting. I have the feeling that the soft watchdog could be responsible for this, maybe due to some misconfiguration with the time server. Is it possible to understand if the...
  19. R

    VM migration when server fail.

    Hello everybody! There is a cluster of two nodes (Proxmox 4.3, HP DL380 G9 Servers), HP MSA 2040 SAN connected via FC 8Gb. LVM shared for both nodes. Online and offline migration goes perfectly. The problem is when we are testing HA and restart to the one node or make disconnection to the...
  20. G

    3-Node Cluster starting with 1 Node

    We are currently using 2 identical KVM servers which are manually managed (not Proxmox). We want to move to a 3-node HA Proxmox PVE cluster using Ceph for storage. We only have 3 identical servers in total (2 of which are currently in use), and are looking for a way to migrate to the new...

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