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Try running the fio benchmark time based for at least 10 minutes (600 seconds) and check the results again. Consumer SSDs are good as long as they can cache, but one the cache is full, performance will drop. Testing for that long should make sure, that the SSD is getting its cache full. Then...

How fast is the network to the PBS? Do I understand it correctly, that HDDs are used for the PBS storage? Where there other jobs going on while the restore was happening? Other backups, garbage collection or verify jobs? Since the backups are split into many small chunks, for VMs, 1 chunk per 4...

Do you see an error if you run rbd ls? There might be an image that is missing and it might be shown in the error message. Also, please paste config files and such infos inside tags. That makes reading them a lot easier :)

For Windows VM consider using RDP and enable Audio. RDP can pass through quite a bit, like local folder, printers and RS232 ports ;)

Vor dem Migrieren solltest du AFAIK definitiv Bitlocker deaktivieren da der Key im TPM auf dem Motherboard liegt. Den bekommst du nicht wirklich in die VM migriert.

Die PVE Version ist mittlerweile schon ziemlich alt und ein Upgrade auf die aktuelle wäre anzuraten. Es ändern sich Dinge, wie du hier zum Beispiel bemerkt hast. https://pve.proxmox.com/wiki/Upgrade_from_6.x_to_7.0 :)

du könntest zuerst auch ein apt full-ugprade --download-ony machen. Dann sollten alle Pakete schon mal heruntergeladen sein. Grundsätzlich kannst du die Gäste während des Updates schon laufen lassen. Irgendwann braucht es halt den Neustart.

This blog post looks pretty much like what you want to do.

Do you do backups with Proxmox VE itself, or with some other backup solution within the VMs? Overall, which network is used, from a Proxmox VE view, depends on the IP addresses configured. If you want to separate it, for example, have backups on the 10Gbit network, then you need to use...

Take a look at the qm disk import command (man page). This way you can point it to the source image and specify the target VM and storage. Converting the disk image to the correct format is done on the fly.

Hmm... if the memory seemed okay, and quite a few of the disks showed problems, it could have been a few things: - disk themselves - controller - cables to the disk - too old BIOS / firmware ... I hope it won't happen on the new machine :)

A bit of nitpicking first ;) Proxmox products are licensed under the AGPLv3. What you are talking about are the subscriptions :) You should be able to move the subscription keys to the new cluster. But they need to be renewed as they are bound to the server IDs. That should be possible in the...

Yes, using the VM replication feature in combination with HA is a possible way. The shortest possible replication interval is 1 minute: */1. The downside is, that in case of a HA recovery, the VM will be accessing the disk image with the data since the last successful replication. The upside...

If it is a live migration, you should see a task (bottom panel in the UI) that is called "VM <vmid> - Migrate". Double click on it and you should see the logs. That is what would be interesting to see. Not sure I fully understand the overall situation, but in order to migrate a VM without...

Or in other words, do you actually have a "local-lvm" storage? If you installed Proxmox VE with ZFS or BTRFS as root file system, the default local-X storage can be named differently.

Hmm I don't see any problem with the config of the VM. How do you test it in the Windows VM? Have you done some benchmarking on an empty VM disk image directly on the PVE host? This way you will know what you can expect from the ZFS pool itself. fio on the host with an empty disk image as...

How is the VM configured? You can post the output of qm config <vmid> inside tags

In a live migration needs to transfer the state of the running VM. If the VM has a lot of memory or has its memory changing rapidly, it can take a long time or might never finish because the migration might not be able to catch up to the changing RAM of the VM to get the difference small enough...

I know it is the always ongoing discussion, but I am really curious, have you set the brightness and contrast levels of your screen to something normal? Most screens have both set way to high. This usually leads to images having completely blown out colors andmissing nuance due to the high...

Zum besseren Verständnis: beim Starten der VM sollte die geänderte Config angewendet werden. Ein Neustarten der gesamten Node ist dafür nicht notwendig.