replication

  1. Y

    Error 255 on First Replication

    I have a cluster with the latest version of Proxmox 7 where on some ndi I can't set up replicas and I get this error: end replication job with error: command '/usr/bin/ssh -e none -o 'BatchMode=yes' -o 'HostKeyAlias=cvs25' root@10.10.10.25 -- pvesr prepare-local-job 131-1 LXC:subvol-131-disk-0...
  2. Y

    Replication failed from proxmox7 to 8

    Hello! is it possibile to set a replication in a mixed cluster 7/8 nodes ? (it's temporary) I have tried but give me: 2024-11-05 13:41:00 601-1: (remote_prepare_local_job) Host key verification failed. 2024-11-05 13:41:00 601-1: end replication job with error: command '/usr/bin/ssh -e none -o...
  3. J

    Number of concurrent storage replication tasks per host?

    Does anyone know if it's possible to have more than a single VM replication task run from a given host system at one time? Asking because in secure environments (ie using ssh for passing replication traffic) it can take a fair while for a given VMs storage to be replicated to other hosts. This...
  4. I

    Replication of a VM in a cluster but different storage

    I'm running a proxmox cluster v8.2.4 (homelab) consisting of two nodes pve1 and pve2. pve1 is a slightly better spec and has a ZFS storage on mirrored disks called zfs-storage pve2 is running with the VMs on local-lvm I wanted to replicate the vDisks of a in single VM102 from pve1 to pve2...
  5. M

    Validate configuration for multiple Proxmox servers

    Hello Team Proxmox, I have 4 Proxmox servers: A - main with 20 cores, 64 GB Ram, 36 TB RaidZ2 - multimedia, documents, Docker services (password, Nginx, Homepage etc.) B - secondary with 12 cores, 32 GB Ram, 24 GB RaidZ2 - its backup role of replacing the main one for multimedia and...
  6. K

    Proxmox replication exit code 255

    Hi, I am trying to set up Proxmox replication with two nodes. However, when I attempt to use replication, I receive the following error: '/usr/bin/ssh -e none -o 'BatchMode=yes' -o 'HostKeyAlias=proxmox' -o 'UserKnownHostsFile=/etc/pve/nodes/proxmox/ssh_known_hosts' -o...
  7. S

    [SOLVED] [HA Cluster] Prevent hosting two VMs on the same node

    Hello, Recently I created my first 3 node proxmox cluster. And I started experimenting. I have two questions that bother me: I've created replication jobs every 2 hours for one VM. Now if I shutdown proxmox node manually on which VM is running let's say 15 minutes before next sync, will the...
  8. B

    Small 2 Node Setup Questions

    I currently have two Mini PC with Proxmox in a cluster along with a raspberry Pi QDevice. Each server has a public 2.5gbe and a private 2.5gbe (interconnected between the servers on separate subnet). I am using ZFS on NVME on both servers. I am currently using HA w/ Replication. 1) Is...
  9. B

    Replication hangs before freeze guest filesystem

    Hi, i've two systems running in replication. Occasionally (about once or twice per day) the replication hangs at one vm. The log ony shows the following: 2024-06-23 15:02:00 105-0: start replication job 2024-06-23 15:02:00 105-0: guest => VM 105, running => 2066997 2024-06-23 15:02:00 105-0...
  10. L

    enabling ceph image replication: how to set up host addresses?

    I'm attempting to do a test to replicate a ceph image to a remote cluster by following this HOWTO. However, what I'm missing is the detail of how or where to specify where "site-a" is in the examples given in terms of ip address. When I follow the instructions, I see this in the status logs...
  11. A

    Replication of encrypted zvols

    Hi all, I'm running proxmox 8.2.2 on encrypted ZFS, basically as described at https://privsec.dev/posts/linux/using-native-zfs-encryption-with-proxmox/. I know this isn't supported, but it works fine, except for zvol replication. Replication wants to preserve properties, and sending an...
  12. B

    Replikation er VM mit verschiedenen Disks

    Moin @ all, zu einer vorhandenen VM (62101.conf) wurde eine auf ZFS befindliche Platte (Partition) aus einer ehemaligen VM hinzuigefügt. Dabei wurde die Bezeichnung der Partition*nicht* geändert, sondern nur in die config eingetragen (CLI). Somit hiessen die Platten der VM u.a...
  13. C

    [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...
  14. M

    Timing and trying to understand the process of pbr and sync.

    Below is an example of a pbr doing a 'sync' from a remote site. Several processes are in there. I know that 'distance' plays into effect with the data and determines the ability of the tranfer rate. I belive I am understanding the process : sync snapshot - process of sending the latest...
  15. P

    HA Cluster Replication Question

    Hello, I would like to set up a Proxmox HA cluster with 2 nodes. I can't use Ceph with only 2 nodes, so I wanted to try replication. With replication, you can set the container to be replicated every 15 minutes, for example. But then I asked myself a question: If my container is running on...
  16. Y

    WinSCP transfer of VM's / Containers between Proxmox

    Hi, I have to Proxmox setups that are not clustered. My need is to periodically backup the VMs and containers from the primary to the secondary. The reason is that if the primary goes down I will power up the secondary and take on from the last backup. Both setups hard disk pools are named...
  17. A

    High Availability + Replication = Disaster

    Hi, I've configured HA and replication, but when I actually reboot a server, the failover fails stating that the volume already exists at the target node. Some helpful info: I have 8x nodes my goal is to have replications every 15m when there's an event that causes a failover, either a quick...
  18. S

    How to start with HA and replication in an existing environment - understanding concepts

    Hi guys i am using proxmox already for some while, but since i had only one physically node available for some time, i have always relied on the automated backup snapshotting. In case a container failed, i have recreated a backup. backups are stored in the cloud for extra security. Now i have...
  19. A

    How to migrate VMs from VMware Esxi to Proxmox?

    Hi, I need some help, I want to migrate many servers from VMware Esxi to Proxmox, but I have obstacles for the migration such as VMs on Esxi must be shut down first. Is there a way to migrate VMs from Esxi to Proxmox without having to shut down the original VM first, can it be said that it is...
  20. K

    VM Server Failover on Different Static IP

    Aloha, I have setup Proxmox 8.1.3 with an Ubuntu 22.04 mail server VM (zimbra) that has a static WAN Ip at site 1 I want to setup a replicated Mail server at Site 2 with a different static wan ip, So that if Mail server 1 goes down, Mail server 2 picks up and starts. Problem - The Static Ip is...

About

The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get yours easily in our online shop.

Buy now!