[pve-devel] ceph hammer : new objetmap features (fast resize, snapshot, ....)

Alexandre DERUMIER aderumier at odiso.com
Tue Apr 14 12:28:45 CEST 2015


>>Just to keep things easy... 

Ok.

Looking at hammer release, it seem that currently it can be only defined on rbd volume creation.

But a new patch in ceph master allow to change it on the fly.
I have sent a mail to the ceph mailing to see if it'll be backported to hammer soon.



----- Mail original -----
De: "dietmar" <dietmar at proxmox.com>
À: "aderumier" <aderumier at odiso.com>
Cc: "pve-devel" <pve-devel at pve.proxmox.com>
Envoyé: Mardi 14 Avril 2015 09:40:24
Objet: Re: [pve-devel] ceph hammer : new objetmap features (fast resize, snapshot, ....)

> In this case we need to known if ceph cluster is running hammer. 
> (maybe with rbd cli ?) 
> 
> or try to enable objectmap, and parse the error and skip it if not supported ? 

Oh, I did not thought about that. So I think we should not enable it by default. 
Just to keep things easy... 


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