I used the 2-pool and 2-job approach, and it is working great!
That's what I thought. I was thinking of doing a nightly metadata mode jobs, and throwing in a weekly or biweekly data mode job, just to force something like a "full" backup every...
The change detection mode is set as property of the backup job, so you could create 2 pool based backup jobs, one with and another without the change detection mode set and include/exclude selected VMs accordingly. Another option would be to have...
I am very happy to have finally discovered the "new" (to me) CT change detection modes for backup (see https://forum.proxmox.com/threads/pbs-client-change-detection-mode.150538/). This has vastly decreased my ~4TB file server backup from 7 hours...
So, there exists these new config flags since version 3.x
I just tested it with a big LXC container (Backup via Proxmox gui) and the difference after the initial backup with metadata mode was day and night.
That LXC normally takes about 20...
Instead of mounting the device node into the container,
use the device passthrough feature instead:
pct set <vmid> --dev0 path=/dev/bus/usb/001/005
This creates a new device node within the container,
which should fix this error.