[PVE-User] Is it possible to use qemu Livebackup feature withProxmox?

Gilberto Nunes gilberto.nunes32 at gmail.com
Tue Jan 20 18:03:11 CET 2015


Hi all

I just wanna share that I am using the patch from:

http://ayufan.eu/projects/proxmox-ve-differential-backups/

and want to say that works pretty well...

Consider a try

2015-01-19 11:11 GMT-02:00 "[SOLTECSIS] Carles Xavier Munyoz Baldó" <
carles at unlimitedmail.org>:

> Yes, but it is possible to make a local incremental backup and then
> rsync it to the remote datacenter. It requires a lot of less bandwidth
> than if we have to transfer full backups every day to the remote data
> center.
>
> I understand that Ayufan's patch is not the best option for incremental
> backups but I believe that, if there is no backup inconsistent data
> problem with it, is a good option until exists something better.
>
> What do you thing about it?
>
>
>
>
> El 19/01/15 a las 13:47, Alexandre DERUMIER escribió:
> >>> It is better to really read only the changed block since the last
> >>> backup, it will be possible when the qemu incremental backup is
> >>> commited, but in the meantime I believe that something like de Ayufan's
> >>> patch integrated in the Proxmox official release will be great.
> >>>
> >>> What do you thing about it?
> >
> > Another problem with  Ayufan's patch, is that to create the diff, you
> also need to read the full backup,
> > to do the diff.
> >
> > And with a remote storage,it can use a lot of bandwith
> >
> >
> > ----- Mail original -----
> > De: "SOLTECSIS" <carles at unlimitedmail.org>
> > À: "aderumier" <aderumier at odiso.com>
> > Cc: "proxmoxve" <pve-user at pve.proxmox.com>
> > Envoyé: Lundi 19 Janvier 2015 11:40:39
> > Objet: Re: [PVE-User] Is it possible to use qemu Livebackup feature
> withProxmox?
> >
> > Ok, I understand then that it is a problem of backup time (because it
> > reads all blocks), but the resulting incremental its ok, isn't it?
> >
> > It is better to really read only the changed block since the last
> > backup, it will be possible when the qemu incremental backup is
> > commited, but in the meantime I believe that something like de Ayufan's
> > patch integrated in the Proxmox official release will be great.
> >
> > What do you thing about it?
> >
> >
> >
> > El 19/01/15 a las 11:22, Alexandre DERUMIER escribió:
> >>>> Please, may you send the link to the thread in wich it is explained
> the
> >>>> reason for which the Ayufan's patch is not suitable?
> >>
> >> I think the main problem is that a full backup is done on qemu side
> (all block are reads),
> >> but it's piped to xdelta to generate the diff file.
> >>
> >>
> >> The coming qemu incremental backup allow to really read only the
> changed block since the last backup.
> >>
> >>
> >>
> >> ----- Mail original -----
> >> De: "SOLTECSIS" <carles at unlimitedmail.org>
> >> À: "proxmoxve" <pve-user at pve.proxmox.com>
> >> Envoyé: Lundi 19 Janvier 2015 11:13:07
> >> Objet: Re: [PVE-User] Is it possible to use qemu Livebackup feature
> withProxmox?
> >>
> >> Hi,
> >> Please, may you send the link to the thread in wich it is explained the
> >> reason for which the Ayufan's patch is not suitable?
> >>
> >> It seems that the Ayufan's patch integrates well in the Proxmox web
> >> interface and it allows management of differential backs from it.
> >>
> >> We need something like this because we have several customers with
> >> disaster recovery systems in remote data centers and copying full
> >> backups takes lot of bandwidth and time.
> >>
> >> Best regards.
> >>
> >>
> >> El 16/01/15 a las 15:55, Martin Maurer escribió:
> >>>> Steffen Wagner <mail at steffenwagner.com> hat am 16. Januar 2015 um
> 14:56
> >>>> geschrieben:
> >>>>
> >>>> I found something for differential backups.. maybe have a look
> >>>>
> >>>> http://ayufan.eu/projects/proxmox-ve-differential-backups/
> >>>>
> >>>> Regards,
> >>>> Steffen
> >>>
> >>> This is not suitable, if you want to know why please read the archive
> of the
> >>> pve-devel mailing list.
> >>>
> >>> Martin
> >>>
> >>> _______________________________________________
> >>> pve-user mailing list
> >>> pve-user at pve.proxmox.com
> >>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> >>>
> >>
> >>
> >> ========================================
> >> SOLTECSIS SOLUCIONES TECNOLOGICAS, S.L.
> >> Carles Xavier Munyoz Baldó
> >> Departamento de I+D+I
> >> Tel./Fax: 966 446 046
> >> cmunyoz at soltecsis.com
> >> www.soltecsis.com
> >> ========================================
> >>
> >> ---
> >> La información contenida en este e-mail es confidencial,
> >> siendo para uso exclusivo del destinatario arriba mencionado.
> >> Le informamos que está totalmente prohibida cualquier
> >> utilización, divulgación, distribución y/o reproducción de
> >> esta comunicación sin autorización expresa en virtud de la
> >> legislación vigente. Si ha recibido este mensaje por error,
> >> le rogamos nos lo notifique inmediatamente por la misma vía
> >> y proceda a su eliminación.
> >> ---
> >> _______________________________________________
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> >> pve-user at pve.proxmox.com
> >> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> >>
> >
> >
>
>
> --
> Saludos.
> ========================================
> SOLTECSIS SOLUCIONES TECNOLOGICAS, S.L.
> Carles Xavier Munyoz Baldó
> Departamento de I+D+I
> Tel./Fax: 966 446 046
> cmunyoz at soltecsis.com
> www.soltecsis.com
> ========================================
>
> ---
> La información contenida en este e-mail es confidencial,
> siendo para uso exclusivo del destinatario arriba mencionado.
> Le informamos que está totalmente prohibida cualquier
> utilización, divulgación, distribución y/o reproducción de
> esta comunicación sin autorización expresa en virtud de la
> legislación vigente. Si ha recibido este mensaje por error,
> le rogamos nos lo notifique inmediatamente por la misma vía
> y proceda a su eliminación.
> ---
> _______________________________________________
> pve-user mailing list
> pve-user at pve.proxmox.com
> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>



-- 
--
"A única forma de chegar ao impossível, é acreditar que é possível."
Lewis Carroll - Alice no País das Maravilhas

""*The only way* to achieve *the impossible is to believe* it is *possible*
."
Lewis Carroll - Alice in Wonderland

Gilberto Ferreira
(47) 9676-7530
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