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    Backup of VMs Without Downtime?

    Hi @all, I’m using PVE 8.3.3 in a private environment on a Supermicro server with HBA and ZFS as storage. What I’m still missing is a good backup strategy for my entire VMs. I already back up the working data inside the VMs. PVE backups provide me with a simple way to quickly restore VMs, for...
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    Difference between VirtIO SCSI and VirtIO SCSI Single?

    HI@all, Can someone explain the difference between VirtIO SCSI and VirtIO SCSI Single or give me a link to the documentation? with best pixel24
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    VM's very slow after mainboard change

    Hi@all, I have a PVE installation here (7.4-17). After the motherboard broke I replaced it. Previously, an AM3 board with a 6-core CPU was installed. I have replaced this with a dual Xenon board with (a total of) 8 cores. The LSI 8 port RAID controller incl. storage (4 x 1TB SSD / RAID5) I took...
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    PVE hangs at fsck.xfs

    Hi@all, I have today on a PVE 7 the problem that the boot process hangs at fsck.xfs. Previously, the system was shut down normally. In the system is a LSI RAID controller with a RAID5 (4 x 1TB). The / of the PVE is 50GB large. The check should not take long. It has been hanging at this point...
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    Mount backup image in other VM

    Hi@all, My PVE (6.4) backs up to a USB disk every night. Is there a way to mount this in another VM? with best pixel24
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    Let's Encrypt certificates from another ACME instance, Where to copy?

    Hi@all, I run an ACME instance on another host in the LAN which takes care of the LE certificates of all hosts. If the certificates are renewed, it copies the current version to the corresponding host. For my PVE means I have three files: - vmhost01.example.en.crt - vmhost01.example.en.key -...
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    [SOLVED] Jumbo Frames for an UCS Guest?

    Hi@all, i want to enable jumbo frames (MTU=9000) on a PVE guest (Univention UCS 5.0.3).the guest is "hanging" on vmbr0: vmbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether a0:36:9f:4c:3b:ee brd ff:ff:ff:ff:ff:ff inet 192.168.xx.1/24...
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    [SOLVED] Extend data in pve with new RAID-Volume

    Hi@all, I use LVM on my PVE. Now data is almost full and should be extended. Currently there is a PV (/dev/sda3) which is mounted in the VG 'pve'. /dev/sda itself is a hardware RAID5. Now data is almost full. I configure a new RAID5 volume (/dev/sdb). How should I proceed to extend 'pve' with...
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    Konzept mit dem LVM-Pool verstehen

    Hallo zusammen, ich versuche noch immer das Konzept mit dem LVM in Proxmox zu verstehen. Ich nutze LVM schon länger auf diversen Servern und dachte immer ich habe es verstanden. "Früher" habe ich meine PV's devieniert, Eine VG-Group erstellt und darain die LV's für die VM's. Jedes LV war von...
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    Cloning of the PVE not possible

    Hi@all I have a PVE 7.1 here on a 3Ware RAID (9650SE-8M). Three 1TB are configured to a RAID5. So 2TB arrive in the OS. Since the 3DM2 software is no longer available as a DEB, I cannot expand the RAID with a fourth SSD. I have to delete the RAID volume and create it again with 4 x 1TB SSD...
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    Meaning of sockets and cores

    Hi@all, I am trying to optimise my PVE and distribute the resources optimally. I have a Supermicro server board with two ntel(R) Xeon(R) Silver 4114 CPU @ 2.20GHz. In PVE it is displayed like this: Does socket mean a physical processor socket? In addition, 40 cores are displayed, but the...
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    [SOLVED] How PVE distributes CPU cores and RAM to VM's

    Hi@all, I would like to install a small PVE setup at my brother's house. Single host, local LVM and 2-3 VM's. We do not have very many resources. 6 cores and 16GB RAM. If I define the number of cores and RAM in the VM. Is this fixed or does PVE distribute them depending on the load? Example...
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    Writing snapshots to another volume

    Hi@all, I have two RAID volumes (LSI controller) on my Proxmox 6.4-13. VOL1: 4 x 2TB SSD / RAID5 VOL2: 4 x 4TB HDD / RAID 5 Proxmox is installed on VOL1. The largest part is integrated for local LVM. The virtual disks of the VMs are located here. VOL2 is used as a backup. PVE saves the VMs...
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    [SOLVED] Rename VM-Name?

    Hi@all, Unfortunately, I have not found anything in the forum, which may well be due to my search. Should this topic has been discussed before and someone has a link :) About my problem. I use Proxmox 6.4-13. Is it possible to change the name of a VM afterwards? I have found some discussions...
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    Upgrade 6.4 -> 7

    Hallo zusammen, ich habe ein recht simples Setup. Single-PVE mit 8 VM's (Linux & Windows) und LVM als Storage. Ich lese gerade den entsprechenden WIKI-Artikel: https://pve.proxmox.com/wiki/Upgrade_from_6.x_to_7.0 Ein Backup der VM's habe ich erstellt. Dort steht ich muss VM's die während...
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    Backup to removable disk

    Hi@all, For small setups, I find the backup included in the PVE quite nice. Does anyone have experience setting this up with one removable bay and two removable disks? Background to my question: In the configuration of the backup, I specify how many versions are to be kept. Afterwards, the...
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    PBS as a target for PVE and additionally OFF-Side

    Hi@all, I have a PVE (current version) on which several VMs are running. I do not use ZFS but hardware RAID + LVM. PVE saves the dumps to an external USB hard drive. However, I would also like to have these dumps OFF-side. In case the roof burns. Can PBS be a solution for this? with best pixel24
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    VM's nach Komplettausfall von externen Medium wiederherstellen

    Hallo zusammen, ohne jetzt meine gesamte Backup-Strategie durchzukauen - Files und Bewegungsdaten werden mit Bareos gesichert (auch Outside) - habe ich eine Frage zu den Dump's der VM's Ich lasse jede Nacht Dump's meiner VM's auf einen externen Speicher (gleicher Serverraum) durchführen und...
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    [SOLVED] Virtuelle HD von VIRTIO auf SCSI ändern?

    Hallo zusammen, gibt es einen Weg die virtuelle HD einer VM nachträglich auf SCSI zu ändern ohne den Inhalt, i, konkreten Fall ein Linux-System, zu verlieren? Viele Grüße pixel24
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    Backup-Server auch PVE, Vorteile?

    Hallo zusammen, ich nutze PVE ja noch nicht so lange und bin gegenüber der Lösung die ich Jahre genutzt habe (Debian/Ubuntu mit Libvirt) wirklich begeistert :) Unser Backup-Server (physisch) ist nicht virtualisiert. Hier läuft eine Linux-Server mit Bareos der mittels Client-Agent alle Systeme...