Help understanding ZFS

Blaarg987

New Member
Jan 3, 2025
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Hello everyone, sorry if this is a stupid question but I am quite new to ZFS. I am trying to understand how it fits into the file system of Proxmox and also how VMs & Containers can use it.

I have a ZFS pool of 3 HDD's that are 4TB each, I have a ZFS created from that pool called NAS, which I mounted in a container to be my SMB NAS share. So I understand that I have the pool, but the ZFS structure is what confuses me. Here is a screenshot of the output of the zfs list command and zpool list command. Could someone explain this structure to me, and how VM/LXC containers can use these? I think the subvolumes are confusing me quite a bit, wouldn't the ZFS NAS be a regular directory like normal?

Again, I am quite new to this. The NAS share has been working quite well but I am trying to understand more of what's going on "under the hood".
 

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