[sheepdog] snapshot rollback ?

[Alexandre DERUMIER]

other question:

I create a base vdi : image1
create a snapshot: snap1
create a snapshot: snap2

now I boot on snap1
qemu sheepdog:image1:snap1

I write datas and make a mistake.
how can I rollback at snap1 point of time before the mistake ?



----- Mail original ----- 

De: "Alexandre DERUMIER" <aderumier at odiso.com> 
À: "MORITA Kazutaka" <morita.kazutaka at lab.ntt.co.jp> 
Cc: sheepdog at lists.wpkg.org 
Envoyé: Jeudi 23 Août 2012 16:40:27 
Objet: Re: [sheepdog] snapshot rollback ? 

>>It's also possible to rollback to a snapshot image. You can boot from 
>>the specific snapshot as follows: 
>> 
>> $ qemu sheepdog:[vdi name]:[snapshot tag or id] 

Yes, I was talking about vdi. 
Seem simple, I like this :) 

Thanks 


----- Mail original ----- 

De: "MORITA Kazutaka" <morita.kazutaka at lab.ntt.co.jp> 
À: "Liu Yuan" <namei.unix at gmail.com> 
Cc: "Alexandre DERUMIER" <aderumier at odiso.com>, sheepdog at lists.wpkg.org 
Envoyé: Jeudi 23 Août 2012 15:28:36 
Objet: Re: [sheepdog] snapshot rollback ? 

At Thu, 23 Aug 2012 21:04:14 +0800, 
Liu Yuan wrote: 
> 
> On 08/23/2012 08:58 PM, Alexandre DERUMIER wrote: 
> > Hi, 
> > I'm looking to snapshot in sheepdog. 
> > 
> > Is it possible to rollback to a specific snapshot ? 
> > 
> > Regards, 
> > 
> > Alexandre 
> > 
> 
> Do you mean cluster-wide snapshot? If so, yes, we can snapshot the whole 
> cluster and rollback to dedicated snapshot. But there is a constraint that 
> we don't support restore snapshot when cluster topology changes (no node add/fail) 

It's also possible to rollback to a snapshot image. You can boot from 
the specific snapshot as follows: 

$ qemu sheepdog:[vdi name]:[snapshot tag or id] 

Thanks, 

Kazutaka 



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Alexandre D e rumier 

Ingénieur Systèmes et Réseaux 


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Fax : 03 20 68 90 88 


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Alexandre D e rumier 

Ingénieur Systèmes et Réseaux 


Fixe : 03 20 68 88 85 

Fax : 03 20 68 90 88 


45 Bvd du Général Leclerc 59100 Roubaix 
12 rue Marivaux 75002 Paris