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

Alexandre DERUMIER aderumier at odiso.com
Tue Apr 14 09:17:57 CEST 2015


>>So I thing it is good enought to introduce:
>>
>>objectmap: 1|0 ?

yes

>>which defaults to 1

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 ?




----- 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 08:52:44
Objet: Re: [pve-devel] ceph hammer : new objetmap features (fast resize, snapshot, ....)

> > any idea for option name ? 
> > 
> > lock: 1|0 ? 
> > objectmap: 1|0 ? 
> > 
> > -note that both are 2 differents options, but objectmap need exclusive lock 
> > enable to get it working. 
> > 
> > I'm not sure we need an explicit lock option, maybe objectmap option is 
> > enough. (with implicit locking) 
> 
> options objectmap=1,somethingelse=XXX 

correcting myself, I guess this is a bad idea, because this is used for 'mount' 
option elsewhere. 

So I thing it is good enought to introduce: 

objectmap: 1|0 ? 

which defaults to 1 



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