Store data on /dev/vdb

In my VPS I have also a disk for storing my files
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 253:0 0 50G 0 disk
├─vda1 253:1 0 49G 0 part /
├─vda2 253:2 0 1K 0 part
└─vda5 253:5 0 1021M 0 part [SWAP]
vdb 253:16 0 2T 0 disk
└─vdb1 253:17 0 2T 0 part

How do I setup my existing NextCloud that it stores my data onto vdb instead of vda?

Regards,
Guido

Hi Guido,
maybe that helps: Mounting a second partition ??
Best
Chris