1. I

    Online migration / disk move problem

    I'm trying to migrate VM storage to Linstor SDS and have some odd troubles. All nodes are running PVE 7.1: pve-manager/7.1-5/6fe299a0 (running kernel: 5.13.19-1-pve) Linstor storage is, for now, on one host. When I create new VM on linstor it works. When I try to migrate VM from another host...
  2. G

    after automatic migration, VM state is starting but not starting

    Hello, We have automatic VM migration configured, VM automatic migration works but after migration VM not starting at all it keeps starting all time. Manual migration stop start works but auto no. All info in attached file, Thank you
  3. H

    Expected behavior from watchdog-mux with a networking outage? (HA, Corosync, and Softdog fencing)

    What’s the expected behavior here? I have a 3-node cluster with dedicated physical corosync network, and a 2nd faster network for storage and networking. The corosync network is configured to failover to the fast network if interrupted. High availability is configured on guests with shared...
  4. mattlach

    Migrate Host ZFS Boot "rpool" from MBR to UEFI booting?

    Hey all, I run a standalone Proxmox server which I have been upgrading in place for years. I am currently on 6.x, not having upgraded to 7 yet. It was a clean install on Proxmox 4.2 I believe. When i initially installed it, I set it up to boot from a ZFS mirror of two SATA SSD's using...
  5. D

    [TUTORIAL] Migrating DC from hyper-v cluster to proxmox with ceph storage

    Since I needed to document the process anyway I thought I share my experience of migrating a domain controller from a hyper-v cluster to a proxmox cluster with ceph storage. I wrote this with these 2 wiki articles as background information...
  6. C

    Live migrations failing seemingly randomly over many months and versions. Device or resource busy.

    The usual failure looks like: ... 2021-08-03 15:24:47 migration active, transferred 32.6 GiB of 32.0 GiB VM-state, 120.2 MiB/s 2021-08-03 15:24:48 migration active, transferred 32.7 GiB of 32.0 GiB VM-state, 117.0 MiB/s 2021-08-03 15:24:49 migration active, transferred 32.8 GiB of 32.0 GiB...
  7. R

    Access VMs on old Proxmox disk

    I did a fresh proxmox install on a new ssd. On installation it recognizes that there was a vg "pve" on an old hard disc and asked me to rename it to "pve--OLD..." , so I did. The new Proxmox Server comes up, and I see that it somehow recognizes both hard disks. But it doesn't show any of my...
  8. F

    [TUTORIAL] How to migrate from 3.4 to 6.4

    Hi So you need to move to the last version and you get the chills because it is such a huge jump in versions. Worry no more it is quite simple!!!!!! Just make regular backup of you VMs Using ssh for instance with Filezilla, copy the backup files (just need the last backup of each) to your...
  9. P

    Proxmox Cant remove image after online migration

    Hi 2 all! I have a problem, Proxmox Cant remove image after migration. pveversion -v proxmox-ve: 6.2-2 (running kernel: 5.4.65-1-pve) pve-manager: 6.2-15 (running version: 6.2-15/48bd51b6) pve-kernel-5.4: 6.2-7 pve-kernel-helper: 6.2-7 pve-kernel-5.3: 6.1-6 pve-kernel-5.0: 6.0-11...
  10. Z

    iSCSI: storage '<name>' is not online, VM working, no possibility to backup and/or migrate

    Hello! I'm running a PVE 5.2 cluster with 4 nodes. The cluster is attached to a SAN, an HP P2000 G3 iSCSI. VMs are hosted on the SAN. The first controller of the SAN failed. Everything is running on the second controller, but I can't manage PVE anymore. Although VMs are running, it seems that...
  11. N

    [SOLVED] Broken Pipe Lessons Learned (node naming and ssh_known_hosts fumble)

    Just sharing a possible issue some people may run into in the future experiencing a broken pipe when migrating a VM, during a replicate operation, etc. BACKGROUND I recently upgraded the CPU and motherboard for my alternate node. There were some issues during the upgrade and considering I had...
  12. D

    Moving config to a new server

    I have my server died but the SSD is ok. I bought a new HW and want to have the same config as I had before. The HW is slightly different - I tried cloning ssd (a new server has only M2 while the old one had only SATA). It did not really work. What do I need to do to restore all my VMs to a new...
  13. C

    Manually move VM to a different Node

    I am working in an environment with multiple, unclustered, nodes and have one node that needs to go down for maintenance. I'd like to migrate the active VMs and containers on this node to a different node for continuity of access. I know that without an established cluster, this has been...
  14. D

    [SOLVED] Migration uses external IP over Local

    Alto I have specifically disabled the external IPS it seems for some reason the migration tries to use external ip over local ips. Note all these. behaviours are only present in latest releases, last 1 month broked also the ceph cluster that might be unrelated or disk issue, i still debug that...
  15. D

    Migrate VM problem: SSH error?

    Coming from this thread, for information purposes. In order to get this done, I migrated the VM to another node, to avoid the downtime. Migrating back, I got this error: 2020-10-06 19:32:44 ERROR: online migrate failure - aborting 2020-10-06 19:32:44 aborting phase 2 - cleanup resources...
  16. I

    Why Migrate VM/LXC Restart Mode with NFS storage ?

    Why Migrate VM/LXC Restart Mode with NFS storage ? why live migrate into restart mode ?
  17. C

    [SOLVED] How to migrate container from one node to another, each with it's local storage

    So here's the setup in a nutshell: two nodes: node1, node2 in a cluster cluster is healthy and running the latest version of PVE, all updates applied node1 storages: local, local-zfs, pool1 node2 storages: local, local-zfs, pool2 The question is: how do I move a container that runs on node1...
  18. P

    Move storage with CT without restore backup

    Hi, I'm planning to replace hardware of my Proxmox node. Currently multiple Containers with total of few TB are located on 2x 6TB HDD with ZFS storage called just "local4". I know that safest way will be create full Container Backup, shutdown node, move my disk to new machine and then restore...
  19. E

    Physical Linux Server to Proxmox VM

    Hello, I have a linux server (debian) to migrate to a bigger disk, in the process I'm looking forward to virtualize this server. I did a clonezilla disk image of the server (it is on a external HD), how can I import it to proxmox and start a new VM with this image? Couldn't find much info about...
  20. C

    [SOLVED] Help - Proxmox VE server fails boot after power outage

    Hi, after power outage I face this issue: Proxmox VE server fails to boot. I started Live-CD, mounted LVM-root and boot partition and chroot in the system. However there are many commands not available, e.g. ls mount pvs ... I can install packages like coreutils, lvm2, ... but this does not...


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