On 11/29/19 12:45 PM, arnaud gaboury wrote:
I plan to move my bare metal server from Fedora 29 atomic to coreOS
understood Fedora atomic 29 is ending soon. Even if my server is quite
recent and very basic, I don't want to mess things. I have been looking
for good documentation, but can't hardly find good ones except the
official coreos-installer github README. I take the opportunity of
this move to improve my knowledge of how OSTree works as it is new and I
am far from understanding well all its features.
I have a few basic questions before I go.
1- Is it ok to scp the whole `/sysroot/ostree/deploy/fedora-atomic`
directory as a backup before I go?
I've never done that before. Not sure.
2- Is installing coreOS like an upgrade (i.e I will keep my folders
$HOME and settings in /etc) or will coreOS erase everything?
The fedora coreos installer consumes an entire disk (block device) so I'd
recommend copying off any data you want to keep before you perform an install.
3- Am I right to think I can use OSTree functionality and install
in `/sysroot/ostree/deploy/` alongside fedora atomic? This way i could
reverse and boot to fedora atomic in case of issue. If I can do this,
what's the correct way to install coreOS alongside atomic?
You might be able to do that but it's definitely not common or recommended.
If I were you I would do one of:
- copy off all data, install Fedora CoreOS, copy back data
- test out a provision of Fedora CoreOS on a separate system
> Thank you for hints, good pointers and advice.
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