[PVE-User] Shared storage recommendations

BSD bsd at todoo.biz
Tue Feb 26 10:35:20 CET 2019


Hi,

> On mardi, févr. 26, 2019 at 9:57 AM, Frederic Van Espen <frederic.ve at gmail.com (mailto:frederic.ve at gmail.com)> wrote:
> Hi,
>
> > We are using NFS shared storage with a ZFS base (using FreeNAS) since many years now with a record "0" problem!
> >
> > Our architecture is both basic in terms of design and quite sophisticated when It comes to network stack.
> > Basically all nodes have a shared storage on a dedicated /24 subnet that's only used for the cluster
> >
> > We are using OpenVSwitch and bonding at this level
> > All other operational subnets are put on top of that and clearly separated.
> >
> > This was highlighted here : https://www.osnet.eu/fr/content/tutoriels/mise-en-place-dun-cluster-proxmox-4-avec-nfs-sous-freenas
> > In french (but schema is easy to figure out).
>
> How many proxmox nodes are you using in that setup? and how many storage nodes?

We have four proxmox nodes / hypervisor in cluster

and two storage nodes.

One for NFS shared storage
One for backup

>
> > ToDay, I would probably invest in more NVMe based infra if I had the opportunity.
> > Ceph is known to work well also, scope is different though.
>
> Ceph looks really interesting as far as I can tell. I did a small POC
> with a few vm's and it seems to work well. It seems to scale really
> well. We can also easily monitor it with prometheus.

This kind of setup requires more admin work
>
> We also requested an offer for a Dell Compellent iSCSI setup. Anyone
> has any experience with these? What's your (horror-)story?
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