Multiple debian editions on debian stretch server

[Andreas Heinlein]

Am 16.08.2017 um 22:20 schrieb Thomas Lange:
>>>>>> On Wed, 16 Aug 2017 17:07:02 -0300, "Fco Z." <f.zamorap5 at gmail.com> said:
>     > I am in the process of upgrading old servers (hardware). Currently the server
>     > is with debian jessie and the hosts also with debian jessie.
>
>     > If I install debian stretch as a server, can I still install debian jessie on
>     > the hosts? Or I keep on debian jessie for server.All this thinking to future
>     > upgrade for hosts to debian stretch.
> You can upgrade the server to stretch, but you should make a backup
> of the nfsroot used for jessie installations. You can then have two
> nfsroots, one for the stretch one for the jessie installation.
> A jessie installation may also run from an stretch nfsroot, but it may
> cause some problems. So using the old nfsroot for your jessie
> installations is the best way to do it. And then build a new stretch
> nfsroot using the new FAI version for your stretch installations.
>
We have switched from Ubuntu 12.04 LTS this year to Debian jessie. Both
installs ran fine at the same time from a jessie nfsroot. I am currently
testing stretch on the clients, and this too uses the same jessie
nfsroot. So yes, your approach is probably the safest, but it may not be
necessary at all.

Andreas
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