PBS infrastructure recommendations

[avbuuren]

hello,

I'm using actually a PVE Cluster 6.2.15 with 4 nodes and an external pool storage based on a CEPH Nautilus Cluster with 3 nodes , where Disks VM's are stored.
(+ I have an HP physical backup windows server with 8 SATA 4To disks in raid5 )

This Infrastructure is working on a 10Gbits network - linked on 2 ARUBA switchs 10Gbits and LACP Trunk.

I would like to install and configure a backup proxmox server for my vm's. What is the best solution :

1- Install a PBS VM' on the CEPH cluster storage and mount an external NFS Share in the datastore menu ( mapped to the windows backup server)
2- Install PBS on a new physical server link to my 10Gbits network with the same mount external NFS Share.

3- Install PBS ( Vm' or physical ) with 2 disks : first one for the system (30Go), second one for the backup(4To) ( this disk could be stored in the NFS windows share )

Others?

Thanks you for your suggestions.

 

[aaron]

2- Install PBS on a new physical server link to my 10Gbits network with the same mount external NFS Share.

That would be the best way as it avoids using the network twice (receiving backups and storing them). Additionally you can design the storage pool better. If you plan to use large slow HDDs, you can improve the speed of certain operations like garbage collection considerably by using ZFS with 2 SSDs (mirrored) as special device. The special device stores the metadata and datasets can be configured to store small files directly on the special device as well.

The other options will work as well, but performance won't be as good and if you have a disaster situation you might need more time to get the PBS up and running first before you can restore backups.