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Ok. Indeed, this won't help you when backuping containers.

I think you didn't search too much @greenhornet ... apt install snmp-ups man snmp-ups

Look at "advanced" tab in the backup configuration, and change bandwidth limit (first, try to take 75% of the used bandwidth during backups). But with containers, I fear that IOs will be the problem (plenty of small files)... So maybe try to set the IO workers to 4 ? I never tried this.

Hello, if you can't afford a third server or doubt of CEPH stability with a 3rd server being different... Why wouldn't you put an effort over SQL database clustering ? it seems it can use WSFC, Windows Server Failover Cluster. I didn't dig into it but this could be a solution. At the begining of...

Hello. When I see : snapshot 'vzdump' was not (fully) removed - zfs error: cannot destroy snapshot rpool/data/subvol-116-disk-0@vzdump: dataset is busy It seem to me that the filesystem is overbusy. What do the IO wait graph (MAX) shows during the backup ? Maybe you can try to limit the...

Hello. I use extensively Mikrotik hardware. But I never used MLAG. What you describe seems normal. In documentation (https://help.mikrotik.com/docs/spaces/ROS/pages/67633179/Multi-chassis+Link+Aggregation+Group) : heartbeat (time: 1s..10s | none; Default: 00:00:05) This setting controls how...

Small reminder : do not use ZFS over hardware RAID.

Sorry for you.

Indeed, it seems to be a permission issue.

I would say that your test platform will not correspond at 100% to the real-life providers platforms. I expect you to see big differences, like factor 2. Be careful to cache levels that your test platform can enable (and that you shouldn't have in real-life providers platforms). Some...

You can script it. I don't know any manner to do it with the GUI.

I had problems importing from VMWare when disks where not in thick provisioning or with snapshots. If you want, you can try this tool for windows VMs : https://learn.microsoft.com/en-us/sysinternals/downloads/disk2vhd I already moved servers like that. But be carefull to the eventual lost of...

Maybe saving the last boot option is a solution for you ? GRUB_DEFAULT="saved" GRUB_SAVEDEFAULT="true"

On your VM configuration you can limit vCPU number, RAM size, disks IOs and bandwidth and network bandwidth. So almost all resources allowed to a VM can be controlled. What can't be simulated and controlled is an infrastructure saturation by others VMs (this case can be encountered when you use...

Did you enable Proxmox Virtual Environment firewall ?

Proxmox Virtual Environment will be responsible of the VMs shutdown sequence. Now the host can indeed be asked to shutdown by nut client on it. Your UPS has a network card. The driver should be : snmp-ups look at and test : https://networkupstools.org/docs/man/snmp-ups.html BR

Hello, I don't think that putting a compilation chain and compiling a kernel module for a backup solution is a good idea (neither on the security neither on the stability concerns). Personally I would not do that. Now if you really really want to do so, try : apt install linux-headers-amd64

Do it by command line ? pveum user list pveum user delete

Ok, no problem here. Can you dump here the file /etc/pve/storage.conf ?

Wohooo... 4.18 kernel is from 2018 and you want it to work optimally with recent kernel VIRTIO drivers support. I don't think it is a good expectation. Do not use virtio drivers, take full devices visualization drivers and try again with both OS, we will see ?