[Nix-dev] Disaster recovery / re-deployment

[Florian Friesdorf]

On Thu, 05 Jan 2012 13:32:52 +0100, Rickard Nilsson <rickard.nilsson at telia.com> wrote:
>  On Tue, 03 Jan 2012 15:47:23 +0100, Florian Friesdorf 
>  <flo at chaoflow.net> wrote:
> > On Tue, 04 Oct 2011 11:45:14 +0200, "Rickard Nilsson"
> > <rickard.nilsson at telia.com> wrote:
> >> > However in your case
> >> > http://mawercer.de/~marc/minimal-install-archive.patch should be 
> >> enough
> >> > if you're lucky.
> >>
> >> Thanks! I will start out from that and see where I end up.
> >
> > did you made progress with that? For a full backup there might be 
> > more
> > files needed, e.g.:
> > /etc/wpa_supplicant.conf
> > /etc/passwd
> > /etc/shadow
> > /etc/group
> > /var/lib/wicd/*
> 
>  I used Marc's bootstrapper and it worked, but I haven't yet got to that 
>  perfect re-deployment system I want. I'm still working on basic stuff I 
>  want to get in place before switching over to NixOS.
> 
>  However, thanks for the hints about various pieces of state spread out 
>  all over the place, even in a Nix system :) On my current NixOS test 
>  setups I actually run with the root filesystem in memory (tmpfs), and 
>  then I am forced to solve these things as I discover them. So 
>  essentially, I'm doing re-deployment on each reboot now, which is 
>  exactly what I want. I haven't got the Nix store/db/profiles sharing 
>  sorted out completely yet, but I think I'm getting there. My plan is to 
>  end up with one master host that is the only one that can write to the 
>  shared store and db. This host will then be the single point of backup. 
>  All other hosts and workstations will boot from the network and mount 
>  the store and db read-only over NFS or CIFS.

Looking forward to your results, please keep us posted!

-- 
Florian Friesdorf <flo at chaoflow.net>
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