How to use PBS and move backups into a cloud storage with WORM?

Jan 16, 2026
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Hi!

I am new to ProxMox so perhaps this is a trivial issue that I have. any help is greatly appreciated!

--> I am running PBS on my QNAP NAS (PBS inside a VM) and PBS does the backups of my VM that run on a ProxMox VW. That works all fine.
--> My goal is to move some backups (from the PBS) into a cloud storage (with WORM policy) to adhere to best practices.

1. What is an easy way to achieve that? I need a server in the EU, and around 5TB and WORM policy. What settings do I need to configure within PBS? (I came about the "sync job" settings within PBS but that does only work with a remote PBS as far as I understand (???)...)

2. QNAP offers cloud affordable storage space. Has anybody managed to connect from PBS to the myQNAPCloud storage space? (I tried using the QNAP App "HybridMount" to setup a so called File Cloud Gateway with NFS but apparently QNAP says that won't work. )

Thanks for your help!

Cheers,
Steffen