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I've passed the drives to the VM and did the mdadm RAID10 directly in PBS and so far it works best of everything I've previously tried.

Thank you very much for you quick and comprehensive response, but unfortunately I don’t have the option of adding other devices than the existing HDDs for the storage of backups.

Hello, I run nested PBS as VM in PVE for servers that aren't dedicated only to backups and it works great. The VM runs on ZFS over SSDs. For backup storage I have 4x 8TB enterprise HDDs but don' t know what's the best option of configuring them. I tried the following: - ZFS, but it's way too...

How about a power outage, when all the servers go down and restart?

Hello, I have a 3 node Proxmox cluster and I'm thinking of adding another node, so there would be 4. I don't use HA. Is there is any situation when the cluster might not start the VMs because of lack of quorum? Thanks!

I see, so ZFS is not a requirement for PBS. I thought the deduplication comes from the underlying ZFS. Thanks, it's clear now.

I know that PBS relies on ZFS but it can be installed as a VM. I also know that ZFS requires direct drive access, so I think the best solution for PBS in VM is to passthrough the storage drives to that machine. What would be the downsides if PBS is completely installed in a VM and the ZFS inside...

So it should work doing it like this. Thanks!

Good day, I want to reinstall my cluster, swap some drives, change some hostnames, etc... and I don't know how to migrate the existing VMs to external machines with minimum downtime. I run ZFS on all servers so I'm thinking pve-zsync would be a viable option? Looking forward for your...

I only use virtio, as I mentioned in the first post. Apparently the issue was related to the firewall running in the VMs. What's still curious is that this only happens when transferring data between VMs running on the same server and not cross-server, even though they all have the same...

I'm having an issue and I can't figure out what's wrong. When I'm copying files between VMs sharing same network bridge I only get 30-40MBps and the host and VM CPU usage rises. The VMs are all running updated CentOS 7 with virtio for disk and network. I get the same speeds using different...