[PVE-User] Proxmox VE 3.4 released!

[Alexandre DERUMIER]

>>I don't think it's a good idea to build Ceph on top of ZFS. Ceph expects 
>>to give it full hard disks for storage and using ZFS with multiple disks 
>>will degrade performance.

Yes, don't use zfs for ceph. It's not officially supported, 
and as ceph use specific features of each filesystem (xfs, ext4 and btrfs),
I can't recommand to use zfs in production.

xfs is the current recommended filesystem for ceph osds.



----- Mail original -----
De: "Eneko Lacunza" <elacunza at binovo.es>
À: "proxmoxve" <pve-user at pve.proxmox.com>
Envoyé: Jeudi 19 Février 2015 15:17:45
Objet: Re: [PVE-User] Proxmox VE 3.4 released!

Hi Philippe, 

On 19/02/15 15:06, Philippe Schwarz wrote: 
> 
> Wonderful ! 
> Thanks for all. 
> I'm on the way to set up a new HA cluster from brand new machines. 
> (You've seen my previous questions a couple of days ago; next are 
> coming soon ;-) ) 
> 
> May i understand, that i can install my 3-ways cluster (no SAN) with 
> ZFS as local FS layer AND build a redundant file system, like Ceph on 
> top of the ZFS storage layer; Getting that way best of both world?? 
> 
> If so, i'm among the happiest guy in the IT-world. 

I don't think it's a good idea to build Ceph on top of ZFS. Ceph expects 
to give it full hard disks for storage and using ZFS with multiple disks 
will degrade performance. 

Cheers 
Eneko 

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