snapshot

  1. M

    How proxmox makes zfs snapshots on vm with several disks ?

    Hello. pve-manager/6.2-4/9824574a (running kernel: 5.4.34-1-pve) I have VM with 2 disks: mega/vm-101-disk-0 mega/vm-101-disk-1 ZFS docs says: "Recursive snapshots are created quickly as one atomic operation. The snapshots are created together (all at once) or not created at all. The benefit of...
  2. J

    Cloning from a KVM VM snapshot fails: "Failed to find logical volume..."

    I'm seeking suggestions for debugging the following. After running a "clone from snapshot" in the web gui rev 6.2-11, I receiving the following output: TASK ERROR: clone failed: activate_volume 'pve/snap_vm-199-cloudinit_baseline_1' error: Failed to find logical volume...
  3. J

    Snapshots, templates, clones, backups: how do they all compare?

    PVE newbie here. 1. How does the following wiki page apply to LXC Containers? https://pve.proxmox.com/wiki/VM_Templates_and_Clones 2. There's no mention of "snapshots" in the above wiki page, even though PVE 6.2-11 seems to feature snapshot feature prominently over "template." Is this above...
  4. D

    High I/O delay during backups on ZFS

    Hi, I am encountering some problems making backups on many servers running ZFS. The PVE cluster is made of 4 nodes, every node have a ZFS mirror pool on 2 NVMe SSD drives and a full backup is made once per week at 00:30 on different days per each node: Every time a backup is started I see...
  5. M

    [SOLVED] The current guest configuration does not support taking new snapshots

    I am getting this error under snapshots " The current guest configuration does not support taking new snapshots ", I was able use this feature and now suddenly I am getting this error. Thanks,
  6. R

    Proxmox ZFS Snapshots w/ RAM not working

    Having a weird issue with a new Proxmox Install. I’m using a ZFS pool for my VM’s, and snapshotting without including RAM works just fine, and runs near instantly. But if I check the box for include RAM, it gets hung and does nothing, no output whatsoever. It is actually creating space on the...
  7. P

    New virtual machine from snapshot

    Hello. tell me, can I somehow deploy a new virtual machine from the created snapshot? Is there any way to do this? For example, a user deleted a file inside a virtual machine. It is expensive to deploy backup and sometimes it is outdated. But there is a daily snapshot created by cron. In order...
  8. P

    Understanding the effects of snapshots during backup

    Hello. The following question arose. For example, I have a snapshot of the system every day at 21.00 from Monday to Friday. On Saturday at 00.30, backup starts by creating a snapshot. What exactly will be included in the backup file? The state of the VM before the last snapshot was taken, namely...
  9. J

    [SOLVED] Restore snapshot fails because of pci id ... not found

    1. took a snapshot 2. upgraded bios 3. bios changed network interface id and pci id assigned 4. restore of snapshot fails because the old pci id cannot be found how to fix ?
  10. A

    VM (not thin) - if I should leave some free space for snapshots?

    If I have only one LVM (not LVM-Thin) volume to use on Proxmox host, is there any rules to follow when create it? From the old days I recall that one should leave some % of VG space free so snapshot can be made if I do snapshot-type backup of running VM - is it true? So to say, in my old days...
  11. K

    How can I enable snapshots on LXC Container?

    How can I configure the LXC Container guest so it will be able to take snapshots?
  12. F

    [SOLVED] Adding a new volume for existing VM

    Hi. I have created a VM which uses thin LVM. Now I want to start a fresh VM with the same id and back up old data. For that, I have renamed my disk (i.e vm-101-disk-0) to vm-101-disk-0-old and. Now I want to create a new volume. The thing is I have a template which I create my Vms from, and I...
  13. H

    [SOLVED] PM 6.1 - Keine Erstellung von Snapshots auf LXC möglich

    Guten Morgen, ich habe auf meinem PM 6.1-8 ein paar LXC Container am laufen. Bei den meisten kann ich Snapshots erstellen. Jetzt habe ich einen neuen LXC Container erstellt. Dort sind die Schaltflächen alle ausgegraut und dahinter steht "The current guest configuration does not support taking...
  14. T

    [SOLVED] Can't see snapshots in web console

    Hi All, When I click on a VM and then go to "Snapshots", I can click on the "Take Snapshot" button and a prompt appears asking if I want to include RAM, add a title and give it a description. After click "Take Snapshot" [Blue within prompt] it shows a progress bar that fills multiple times and...
  15. J

    PVE 6.1-7 Backup Plan

    Hello Proxmox community. It has been a while, and I have been rethinking my backup strategy. What would be the recommended backup procedure? Or a recommended backup procedure? I am running Windows Server 2019 with a SQL Express Database on a separate vmdisk within the VM. So far I have been...
  16. T

    LXC backup fails - unable to open the dataset 'vzdump'.

    Hi, I have noticed this issue where all of my LXC fail to backup while all of the the VMs do backup successfully. This is similar to This Thread which has been marked "Solved", though that sounds like a workaround. This is the error I am seeing: INFO: Starting Backup of VM 110 (lxc) INFO...
  17. C

    LXC container snapshot restore breaks container running Docker

    Hi, in the process of automating LXC Docker container installation I came across a problem that makes the container fail to start Docker after restoring a snapshot of the container. Basically I want to setup Docker inside a LXC container and deploy several images using Ansible. I tried to break...
  18. A

    Best Practice bei der Einrichtung von Proxmox

    Hallo zusammen, ich bin derzeit dabei mir eine NAS/Virtualisierungssystem einzurichten und habe mir folgende Hardware schon angeschafft: ASRock Rack X470D4U Ryzen 5 3600X 1 x 16 GB ECC 4 x 2 TB Seagate IronWolf NAS (Raid 5) 2 x 128GB SSD (entweder Hardware Raid 1 oder 1 x 128 GB System...
  19. G

    How forceful is shutdown -h ?

    Just wondering: If we run (as root) shutdown -h in the Proxmox shell and we have a couple of backups/snapshots which need another couple of hours until finished, will they be interrupted/fail by shutdown?
  20. L

    fsfreeze-hook not called from vzdump snapshot

    I'm running proxmox-ve: 6.0-2 (running kernel: 5.0.21-5-pve) and as far as I understand "man vzdump" should run /etc/qemu/fsfreeze-hook if the qemu-guest-agent is installed and the kvm config contains "agent: 1". A "qm agent 6207 ping" from the proxmox host results in an entry in...

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