[Samba] moving DC to new hardware

Andrew Bartlett abartlet at samba.org
Wed Feb 3 09:38:00 UTC 2021

On Wed, 2021-02-03 at 10:33 +0100, Stefan G. Weichinger via samba
> I start to google and look for the best way to move one of two 
> Samba-4.12.x DCs to new hardware.
> I assume I could shutdown "DC_old", then copy/dd the filesystems to
> the 
> new SSDs in the new server and (try to) boot it up there again.
> Sounds easy.
> The more complicated way might be setting up "DC_new" (ok, keep the 
> hostname from "DC_old") fresh, cp over the various config files and
> DBs.
> I have a DC2 that won't be touched in the process. That one should
> keep 
> my AD online.
> DC_old is a up to date Debian server, it should just be transferred
> to 
> new hardware.
> I want to avoid any unnecessary steps and issues here.

Both should work but most folks take this as a time to refresh the host
OS and so just join the new hardware with a new OS as a third DC,
making sure everything is working then demoting the old hardware.

Andrew Bartlett

Andrew Bartlett (he/him)       https://samba.org/~abartlet/
Samba Team Member (since 2001) https://samba.org
Samba Team Lead, Catalyst IT   https://catalyst.net.nz/services/samba

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