7:55 a.m.
Hi,
The backup storage domain is quite like export storage domain but with easy
usability.
Since you can change any data domain into backup domain any time, you not
need to create a dedicated
export storage domain for backup or disaster recovery purpose. Altough its
working is same as export sd.
The process of backup can be as simple as this:
1) turn off all the vms in your storage domain
2) select backup flag to convert that into backup domain.
Once the domain is used for backup, you cannot make any changes to its vms,
disk etc as mentioned by maor.
And yes, you can convert export sd to data domain using cli script but it
is not required anymore.
If in future export storage domain get deprecated, you not need to be worry
about that much since you can convert all your
export sd into data domain anytime and start using backup feature instead.
Regards,
Shubham
On Mon, Oct 2, 2017 at 6:04 PM, Charles Kozler <ckozleriii(a)gmail.com> wrote:
Thank you for clearing this up for me everyone. My concern that
something
like the export domain wasnt going to exist and it was just going to be
deprecated with no alternative. Glad to hear all the news of the SD
On Mon, Oct 2, 2017 at 8:31 AM, Pavel Gashev <Pax(a)acronis.com> wrote:
> Maor,
>
> Could you please clarify, what would be the process of making backup of a
> running VM to an existing backup storage domain?
>
> I’m asking because it looks like the process is going to be quite the
> same:
> 1. Clone VM from a snapshot
> 2. Move the cloned VM to a backup storage domain
>
> An ability of choosing destination storage for cloned VMs would increase
> backup efficiency. On the other hand, an ability of exporting VM from a
> snapshot would increase the efficiency in the same way even without
> creating new entity.
>
> Indeed, Backup SDs would increase efficiency of disaster recovery. But
> the same would be achieved by converting Export SDs to Data SDs using a
> small CLI utility.
>
>
> On 01/10/2017, 15:32, "users-bounces(a)ovirt.org on behalf of Maor
> Lipchuk" <users-bounces(a)ovirt.org on behalf of mlipchuk(a)redhat.com>
> wrote:
>
> On Sun, Oct 1, 2017 at 2:50 PM, Nir Soffer <nsoffer(a)redhat.com>
> wrote:
> >
> > Attaching and detaching data domain was not designed for backing up
> vms.
> > How would you use it for backup?
> >
> > How do you ensure that a backup clone of a vm is not started by
> mistake,
> > changing the backup contents?
>
> That is a good question.
> We recently introduced a new feature called "backup storage domain"
> which you can mark the storage domain as backup storage domain.
> That can guarantee that no VMs will run with disks/leases reside on
> the storage domain.
> The feature should already exist in oVirt 4.2 (despite a bug that
> should be handled with this patch https://gerrit.ovirt.org/#/c/81290/
> )
> You can find more information on this here:
> https://github.com/shubham0d/ovirt-site/blob/41dcb0f1791d90d
> 1ae0ac43cd34a399cfedf54d8/source/develop/release-
> management/features/storage/backup-storage-domain.html.md
>
> Basically the OVF that is being saved in the export domain should be
> similar to the same one that is being saved in the OVF_STORE disk in
> the storage domain.
> If the user manages replication on that storage domain it can be
> re-used for backup purposes by importing it to a setup.
> Actually it is much more efficient to use a data storage domain than
> to use the copy operation to/from the export storage domain.
>
> >
> > Nir
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>
>
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