using zfs on existing proxmox install

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chudak

Well-Known Member
Proxmox Subscriber
May 11, 2019
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Hello

I installed proxmox on a ssd drive and it looks like:

1700089041575.png
1700089069302.png

If I want to use this drive a zfs shared storage, what would be a recommended way?
TIA
 
First, ZFS is no shared storage. You either need to share folder manually yourself without the webUI using SMB/NFS.
If you mean ZFS replication between nodes, this too isn't a shared storage. It's local storage on all nodes that gets synced between them every minute (or longer). So every node got its own local copy.

And there is no easy way to convert a root filesystem from LVM to ZFS. You would have to back everything up, and start from scratch installing PVE again but using ZFS.
 
Dunuin said:
First, ZFS is no shared storage. You either need to share folder manually yourself without the webUI using SMB/NFS.
If you mean ZFS replication between nodes, this too isn't a shared storage. It's local storage on all nodes that gets synced between them every minute (or longer). So every node got its own local copy.

And there is no easy way to convert a root filesystem from LVM to ZFS. You would have to back everything up, and start from scratch installing PVE again but using ZFS.
Click to expand...


I was referring to these steps https://www.youtube.com/watch?v=FZnVmt_DvUk&t=499s on 8 min 10 sec
So the trick is to use the same name.

But can what is described in the video be achieved with one disk?
 
chudak said:
Like I pasted above
If I have one ssd (nvme) drive and need to use it for pve installation and replication.
Click to expand...
I don' see why this shouldn't work. You could manually create a new dataset like zfs create rpool/replica on all nodes and then create a new ZFS storage on your first node pointing to that dataset and selecting all nodes for it.
 
Dunuin said:
I don' see why this shouldn't work. You could manually create a new dataset like zfs create rpool/replica on all nodes and then create a new ZFS storage on your first node pointing to that dataset and selecting all nodes for it.
Click to expand...
Thank you for reply
I don’t feel too knowledgeable about zfs.
Considering maybe I can buy and add 250gb ssh for pve install only and then use 1tb drive for replication
 
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