recovery

  1. Proxmox Stuck on Boot after passthrough

    Hi everyone, I have my PROXMOX server installed on a intel nuc10i5 8gb ram and two ssds On one Home assistant VM, pihole in a CT and in the second ssd a Ubuntu VM with zoenminder. I tried to passthrough the GPU but when i restarted proxmox, now it's stuck whitout GUI and terminal. Here two...
  2. Recovering VM in another node of cluster

    Hi there, I'm trying to recovery my vm from node failure. I'm not using HA but do replication of disks in my cluster. After recent failure of one of the nodes I'm trying to recovery my VM to another node. pr1 is failure node pr2 is working node where I'm connected ssh. when I trying: mv...
  3. Power outage caused proxmox not to boot - best way to repair or recover data from virtual disk image?

    As the title says, my bios no longer recognises my proxmox installation as bootable. drive has not failed as I can view partitions with data recovery software. I need a quick fix to either recover data from one of my ubuntu server vm's or to repair the installation. Sorry if this thread is in...
  4. I have a issue with the virtualization of airControl on Proxmox.

    In my work we have a Proxmox VM where we have airControl installed but, the guy who did this VM doesnt work here anymore and he does't said anyone the access paswords to the program. The thing with that was we doesn't have only airControl in that VM, we have others monitorization software...
  5. [SOLVED] Host Unknown Filesystem, rescue mode on boot

    So I believe I'm in the same boat as this thread: https://forum.proxmox.com/threads/grub-rescue-recover-data.55084/ However I am stuck at mounting the logical volume in order to recover the lvm meta data. Cause of problem; Yesterday we had several successive power cuts and at some point my APC...
  6. Recovering fdisk Formatted Drive and Running LXC

    Hello everyone, I was attempting to format a couple of unused ZFS drives by using fdisk (g then w), and just like it warns you not to, I wrote a blank GPT partition to the drive that stores my LXC images. This drive was originally partitioned with LVM, and all that seems to be intact. I only...
  7. [SOLVED] sometimes it is just maddening

    because i fail to understand i share my clumsly learnings with proxmox For some reason or other i wanted to explore how to configure two bridges using a single NIC. Eventually this resulted in the faint hearted decisions to set the gateway of vmbr0 to 0.0.0.0, because who knows, it might just...
  8. [SOLVED] Recover vm template from ceph block storage

    I lost a node that contained all of my vm templates. Unfortunately, vm templates are tied to a node, so though the underlying images still exist in my ceph pool, I can no longer use them from the proxmox ui (they can be seen with rbd ls -p <pool>. What is the recommended approach to resolving...
  9. /etc/pve/nodes accidentally deleted

    Hi, The title says it all, I've mistakenly rm -R /etc/pve/nodes on a quorated PVE 5.4 2-node cluster. The cluster still runs happily, and pvecm status looks fine and all. But corosync did its job thoroughly removing this directory from the two nodes. I guess the configuration is still in RAM...
  10. [SOLVED] Recover LXC Image from LVM-Thin Volume

    Hi everyone, After a botched removal of a node from a cluster, I'm left with no configs but several lxc disk images in an lvm-thin volume. Is there any way for me to recover it or make a mock lxc config to get those up and running? I do not remember the drive size as the last time I was on the...
  11. [SOLVED] How to recovery files in VM-Disk on zfs pool

    Hi, Please help! My proxmox can't boot, says no such device: xxxxxxxxxx I tried lot of things to repair this issues, but i failed. Now, the import thing is to recovery the files in my vm, but with zfs pool, I can't see the files in VM-Disk (in my case is vm-100-disk-1). How to mount this...
  12. How to recovery proxmox and rejoin clusters and ceph

    hi, greetings, i am a proxmox 5.x user and i just built a proxmox cluster with 3 node servers. besides the cluster I also use ceph on proxmox for HA Failove, which aims to make server management easier, especially in terms of server maintenance. now the server is running smoothly with good...
  13. [SOLVED] How to use disks from old Proxmox-installation (ZFS)

    I ran into an issue with my USB-stick installation and was not able to boot from the stick anymore, so I made a new installation of Proxmox into a 32gb ssd-drive and was able to import my old ZFS into this setup using the 'zpool import <name>'-command . Now however I am unable to mount the old...
  14. ZFS tgx rollback?

    Hello! I hvae a very bad situation on one site. PVE is damaged somehow: / directory is clear and some datasets are lost. No backups as usual.... So i was looking for some recovery features of zfs and foung TGX. Some topics i read said that one can import pool with specified TGX. Is this feature...
  15. [SOLVED] Proxmox Ceph - After power failure

    Hi, Today there was an unexpected power outage where my servers are co-located, the entire datacenter went dark. Luckily I had fresh backups to simply restore for the most part. However, I have an issue with one OSD on one server, the OSD is stuck in "active+recovery_wait+degraded" I have...
  16. recovering a pve-zsync installation after a crash

    I have "server1" (10.0.0.1) backing up VM 502 on "server2" (10.0.0.2) with pve-zsync. I set up the process with: server1# pve-zsync create --source 10.0.0.2:502 --dest rpool/pve-zsync/daily --verbose --maxsnap 7 --name server2-backup-daily eventually, server1 blows up and I have to completely...
  17. Restored VM backup, all data on mount raw image lost

    Hello Guys, i just restored a backup of a lxc container running on my pve instance. The container has a second .raw data image mounted. After restore the complete data got deleted from the .raw image. 1.) I know there was a "deletes all data of the running vm" window. I'm probably stupid, but...
  18. (disaster recovery howto) Recover VM disks of running VM

    Situation : - 3 standalone nodes with VM's on XFS storage - No Shared storage. - NFS shares on all 3 nodes to eachother to restore backup files from one node to the other. (added as NFS storage, with backup files only selected in PVE) Task : - Introduce new node and setup first cluster node...
  19. Recover lxc container after system SSD crash

    Hi there, since two weeks I'm trying proxmox. My setup was a / SSD using ZFS. And one raid-z2 with 5 WD Red Disks. Today my SSD crashed and isn't readable anymore. The container data are within my raidz2-pool. Booting with debug installer I could copy the folder of the subvolumes for each...
  20. Unable to Recover Destroyed KVM

    Hi, I accidentally deleted one KVM VM and I don't have any backup. Now I'm trying to recover it. I'm using following procedure to recover. Step1: Cloned Proxmox Node 900GB dd if=/dev/sda of=/mnt/pve/backup/ Step2: Created a new virtual Proxmox Node restore Proxmox's Drive using dd. New node...

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