rsync ZFS files to a remote ext4 disk / dir storage with ZFS storage as mountpoint

CypherX

New Member
Oct 20, 2021
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Hello everybody !

I am building a decentralised based cloud with proxmox, using multiple nodes across my country. It's a "best effort" project, aiming to provide to people some alternatives vs classic GAFAMs based cloud.

Some of my nodes are proxmox clusters, running an underlying ZFS filesystem (for obvious reasons such as the use of replication etc...), but i am having a hard time moving my backup files from these clusters to other more standard nodes running ext4 disk.

For example, i tried to rsync some ct volumes from cluster running ZFS to other nodes running EXT4, and i ended with some errors such as "unable to parse volume" when trying to regenerate the CT using the ext4 node.

My questions are plain simple:
- is it possible to send ZFS ct/vm volume to a ext4 based server using rsync, or do you see a better method to make those transfer?
- is it recommended to create a "dir" type Storage using an already ZFS Storage created as a path/mountpoint?

The objectives is to have multiple "backup" available for a given VM or CT on multiple node, in a case of an incident on one or more nodes.

Best regards !

Sam

PS: I am running proxmox 7.0-13 on every nodes.
 

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