[Samba] Backup Strategies

Luis Peromarta lperoma at icloud.com
Tue Nov 8 07:30:45 UTC 2022

Additionally I’d keep a DC VM in the remote location. 

Sent from my iPhone

> On 7 Nov 2022, at 21:12, Rowland Penny via samba <samba at lists.samba.org> wrote:
>> On 07/11/2022 20:48, Peter Carlson via samba wrote:
>> I am working on a disaster recovery setup.  We have 2 identical servers, both running proxmox.
>> Server 1:
>>     ADDC
>>     File Server
>>     Database
>>     Web Server...
>> Server 2: Runs the same VMs but sits at a remote location
>> Our current backup does a nightly image of each of the VMs to a local NAS
>> This image can be used to quickly restore the primary server if needed. Once a week, this image is also copied slowly to the remote location (rate and time limited) and takes about 3 days.
> Provided that you are only using the DC's for authentication and replication is working, you only need to backup the domain using 'samba-tool domain backup' , this comes in two versions 'offline' and 'online'. If a disaster was to happen, the backup could be used to recover your domain. I cannot recommend any other method, otherwise you could end up with zombie accounts and the loss of recently created users and groups etc if the backups are old.
> Unix domain members only require the data to be backed up along with the smb.conf, given these the domain member can easily be rebuilt and rejoined to the domain.
> Rowland
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