parallel backups?

May 30, 2023
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I have a 3-node cluster with Ceph on 30 SAS SSD drives and a 25G full-mesh network. About 30 VMs. I also have PBS storage connected with 8 SAS SSD drives in RAID10. How can I force Proxmox to run 3 backup tasks simultaneously on each node, rather than just one task on each node at the same time?
 
Hello,
Just make a point.
Using "Use 3 pbs then on diffrent zfs data storrages." its not best practice, but is possible according to
"Do not use ZFS on top of a hardware RAID controller which has its own cache management. ZFS needs to communicate directly with the disks. An HBA adapter or something like an LSI controller flashed in “IT” mode is more appropriate."
( https://pve.proxmox.com/wiki/ZFS_on_Linux ).

Regards,