snapshot

  1. [SOLVED] VM's Filesystem seems corrupted after failed snapshot

    EDIT: I used fsck /dev/mapper/ubuntu--vg-ubuntu--lv as suggested by @Pifouney. Thank you! My server is up and running again. --- Hello everyone, I hope you're doing great. I'm not. First, I have to mention I am pretty new to Proxmox and don't have a ton of knowledge. I encountered following...
  2. [SOLVED] Snapshots of one LXC disappeared

    Mayday! Mayday! Mayday! Snapshots of one LXC disappeared, The others are OK, only this one.
  3. Backup target to ceph? NFS?

    I have a ceph replicated storage that I would like to be able to use as a backup target for VM snapshot backups, I understand ceph is RBD so I need to create a file system, should I put NFS on ceph? I've searched and searched but I must be using the wrong terms... Any pointers on how to create a...
  4. shared storage allowing VM and LXC snapshots

    Just a quick question to be sure my understanding of https://pve.proxmox.com/wiki/Storage#_storage_types is right I am looking to set up a shared storage that supports snapshots for both VMs and LXC containers. As I understand, the only options are : CephFS Ceph/RBD ZFS over iSCSI LVM over...
  5. zfs snapshot hooking

    Hi, lads and ladies. I stuck with one little trouble about topic. I have a lot of VMs and CTs in a Proxmox environment, zfs-based. Some of them contains db or other services, that *CAN* restore after unclean shutdown, but it would be better to have them *CLEAN* at snapshot taken. I'm using...
  6. New Storage Setup Advise

    Hi. We plan to buy 2 unit storage for datastore and backup storage. Currently our setup 6 node compute with proxmox-v5.2 hypervisor. Since our currently CEPH storage almost 6 years, so we plan to buy to replace with the new storage and approach not using hyperconverged CEPH storage anymore and...
  7. DynFi User

    Auto-restoring from VM snapshot

    Hello, I am looking for a way to automate the restoration of a snapshoted VM to it's snapshoted initial state. This is a testing environment that we provide to our prospect and I would like to kick back every night at a giveng time to the snapshotted version. Do you know how I can : list...
  8. Ceph rbd mirroring Snapshot-based not working :'(

    Hello, I'm trying to setup Ceph rbd mirroring Snapshot-based between 2 Ceph clusters each installed from a different PVE cluster. I call them pve-c1 and pve-c2. Anyone here already setup it successfully ? A this moment i only try a one-way replication from pve-c1 to pve-c2. Proxmox VE 6.3-2...
  9. Error while doing snapshot on LXC unprivilegied container with snap installed

    Hi I got the following error messages while doing snapshots on my Debian 10 running container failed to open /snap/core/11187: Permission denied failed to open /snap/core/11167: Permission denied failed to open /snap/certbot/1201: Permission denied failed to open /snap/certbot/1150: Permission...
  10. [SOLVED] How works VM snapshots in PVE?

    Hi! Please tell me how works VM snapshots in PVE? 1. I create snapshot (disk type qcow2), do some changes on disk, and snapshot size - 0 (screenshot). 2. How creates RAW-image snapshot (backend ext4) during backup VM with type "snapshot"?
  11. Would this easy (host) backup-restore method work?

    Hi I am on the lookout for an easy and not too space consuming way to backup of my Proxmox host. I have been looking at Clonezilla but this method isn't ideal for me as my Proxmox is installed on a mirrored zfs pool and thus Clonezilla only supports full-disk (200GB in my case) backups...
  12. Cannot clone VM or move disk with more than 13 snapshots

    We have an issue in our Proxmox cluster. It seems not possible to clone a VM or move the disk to another storage, if the VM has more than 13 snapshots + current. Till 13 snapshots + current works fine. The error message I get is: moving disk with snapshots, snapshots will not be moved! create...
  13. Mounting Backup Snapshot with LVM

    Hi all, I've been trying to figure out how to mount a backup snapshot of a server with multiple LVM drives. A snapshot currently looks like this: │ vm/119/2021-05-20T12:41:21Z │ 8.03 TiB │ client.log drive-virtio0.img drive-virtio1.img drive-virtio2.img index.json qemu-server.conf...
  14. qcow2 on mounted local and zfs raid10 slow backup and snapshot

    WE have been using proxmox since day 1 and zfs since version pve version 5. I happen to notice qcow2 snapshot and zfs vm disk are too slow very relatively slow it took a lot of time a very very slow perform on zfs proxmox version 6 and up. is there an issue with zfs? Current setup System: zfs...
  15. Get all VM snapshots

    Hi, How to get all snapshots from a VM ? When a take a snapshot with the UI, a new disk is created but there is not no new disk with the command qm snapshot <vmID> I don't see any new disk. Could somebody help me ? Thanks
  16. Replicating branching snapshots with ZFS

    I understand ZFS (zvol?) only allows linear snapshots. Using the WebUI, I can 'convert to template' at a point at which I'd like to branch. Then, I can create linked clones for each branch. Then, it's possible to convert those linked clones to templates, and so on... Like with snapshots, this...
  17. [SOLVED] Cannt get snapshot branches: TASK ERROR: can't rollback, ____ is not most recent snapshot

    I'm running PVE 6.3-3 and am trying to get snapshots as branches are per the documention: https://pve.proxmox.com/wiki/File:Screen-vm-snapshots.png I can't seem to get anything besides sequential snapshots, what am I doing wrong here? This disk and the snapshots are saved to a zfspool managed...
  18. error trying to take snapshot

    i am using pve-manager 6.1-8, proxmox-ve 6.1-2, qemu-server 6.1-7, pve-qemu-kvm 4.1.1-4 whenever i try and take a back up when the machine is running i get the following: task error: vm * qmp command 'savevm-start' failed - the command savevm-start has not been found and indeed when checking out...
  19. Converting RAW to qcow2 - For Snapshots

    My current installation of Proxmox 6.3-2 is configured for my vms to run on a local SSD. I have the SSD setup as an LVM. I wanted to test the snapshot feature, but I receive an error, "The current guest configuration does not support taking new snapshots" I found I can use the "Move Disk"...
  20. Schnappschuss braucht unglaublich lange

    Hallo in die Runde, wir haben hier einen ZFS-Server (48 Kerne, 386GB RAM, 2,8TB Disk) der unglaublich langsam die 50GB-VMs auf Basis von ZFS 0.8.3 und Proxmox 6.2 als Schnappschuss über die WebGUI sichert. Dieser Vorgang dauert länger als ein Backup und hängt die VMs auf! Auch kann man einen...

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