[Samba] AD Backup Best Practice

[Luke Barone]

We tried snapshots, but we decided if we had to use them, we'd have other
issues. Remember, the backup isn't for "I deleted a user, let's go back",
it's for "the DC's are both down and I can't figure out why". That is our
use case.

On Sun, Feb 10, 2019, 11:54 AM Viktor Trojanovic via samba <
samba at lists.samba.org wrote:

> On Sun, 10 Feb 2019 at 20:46, Luke Barone via samba <samba at lists.samba.org
> >
> wrote:
>
> > In our organization, we tested the crap out of different backup methods
> > before rolling out AD. Here's what we tested and worked:
> >
> > 1. All DCs are VMs, on at least two different VM hosts (either running
> > Virtualbox, Xen or KVM)
> > 2. All domains have at least two DCs
> > 3. We shutdown (nicely) DC2, and backup the disk image and machine
> > definition file to our backup server
> > 4. We turn on DC2 again.
> >
> > Steps 3 and 4 are done via cron scripts
> >
> > To restore, we expect DC1 and DC2 to have COMPLETELY been destroyed.
> > Otherwise, we spin up a new VM and join as another DC. When we restore
> from
> > complete failure, we take the nightly backup, and spin up the VM on a new
> > host. Done.
>
>
> Thanks for this real-life example. I'm curious, since you say that both DCs
> are in a VM and you tested various methods, have you tried using snapshots
> instead of powering down DC2?
>
> Viktor
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