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We use Grafana for metrics and checkmk for monitoring.

In this case you can use the bridged port of the Proxmox in the virtual network interface that you attach to your virtual machine, this way you don't have to create any VLAN into the virtual machine.

Hi, You can indicate the VLAN id in the bridged port using the format `InterfaceName.vlanID` as you can see in the next screenshot:

To rule out that the problem is in the USB disks, can you make the same test connecting the USB disks into another computer?

What about the USB ports in use? Are both disks connected to USB 3 ports?

What is the output of the `iotop` command while you are running the rsync?

Ok, I understand. Thank you very much for your help.

Hello, I have a Proxmox cluster and a PBS server for every day virtual machines backup. I would like to know the disk usage for each virtual machine into the backup after each virtual machine backup. This will allow me to know the backup disk usage evolution per virtual machine, day by day. Is...

Ok, then we can use the GC reports for know the used space of each datastore. Thank you very much for your help.

If we take a final report of a GC procedure we can see, for example: 2021-05-26T18:32:40+02:00: Removed garbage: 728.01 GiB 2021-05-26T18:32:40+02:00: Removed chunks: 542153 2021-05-26T18:32:40+02:00: Pending removals: 71.45 GiB (in 34937 chunks) 2021-05-26T18:32:40+02:00: Original data usage...

The PBS system doesn't keeps track of the datastore usage in the metadata for each datastore?

No, it shows the disk partition usage. I have just tested it and it shows the same disk usage for all the datastores in the same partition.

Yes, I know, but the problem is that I have several datastores in the same partition. For this scenario, is the du command the only way of getting disk usage of each datastore?

Hi, Is there a quick way of knowing the disk usage of a datastore, instead of having to use the du command that can take lot of time and consume lot of I/O? Regards.

Hi, We have installed the PBS software directly together with the Proxmox server and removed the PBS virtual machine, avoiding this way the use of the NFS server. We have modified too the ZFS ARC option zfs_arc_max for use the half of the server's memory (16GB). Now the garbage collector...

Hi, Ok, thank you very much for the supplied information. We are going to make some tests and try to improve the GC performance.

Hi, We are talking about 10TB of data for PBS. Its a hardware server with Proxmox installed in it and the PBS is running as a virtual machine. It has 31TB of space with several disks in RAID with ZFS. If we install the PBS directly into the Proxmox server instead as a virtual machine and...

Hi, We have a PBS installed over a virtual machine that access data stores located in an NFS server over the Proxmox in which the PBS virtual machine is running. We have several data stores in this PBS used for backups from different Proxmox systems. The virtual machines backups from the...

Hi, Do you really need a RAID card? Instead of hardware based RAID you can create a software based RAID by means of ZFS. https://forum.proxmox.com/threads/zfs-vs-hardware-raid.30243/

Ok, thanks!