Dear PVE users,
I'm looking for a storage back-end that will fits my scenario. Let me
explain my actual setup:
3 nodes cluster: 2 nodes have 2*3TB disks used with GlusterFS replica
(there is also a raspberry doing arbitrator), running several VM and
LXC.
The 2*3TB disks are pvs of an LVM structure, 'cause it's a home server
and I'm pretty happy with the GlusterFS redundancy, giving me a 6TB
replicated/shared storage
The third node just run a VM with FreeNAS that share a NFS storage to
the cluster, where i do my backups and store isos and templates.
The GlusterFS is mounted at OS level (fstab) and PVE see it as Directory
(otherwise I cannot run LXC over it).
It works fine, I'm happy about performance and I also can migrate vms
and containers between nodes.
All nodes are connected to the GlusterFS network with a bond interface
of 2 gigabit nics.
My problem is that backups are very slow for LXC, because, I suppose, it
cannot use snapshots.
So, I'm looking for a storage back-end that:
- is replicated across two nodes (I can use the third node as
arbitrator)
- don't loose disk space (I want to have a shared storage of more or
less 6TB)
- can work with LVM structure, because I also have SSD caching that I
want to preserve
- can be used as shared storage
- can do snapshots of LXC to speed-up the backup process
If it's possibile, I prefer to use PVE integrated solution (like Ceph or
ZFS), but I'm open to all other solutions.
any suggestion?
Thanks a lot and best regards
--
Marco Bertorello
https://www.marcobertorello.it
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