On 6/23/21 5:43 AM, Patrick O'Callaghan wrote:
> It's a more sophisticated variation on on I came up with by
(rw)
> snapshotting the 'root' subvolume, mounting it, and using chroot to
> do
> a full system update (and upgrade). It's an out of band or side car
> update. No reboot to a special environment. If it goes wrong, just
> delete it. If there's a crash or power fail, you still boot the
> untouched current root. Only once it completes, and optionally passes
> some tests, would the root be switched to the updated snapshot, and
> reboot. And the user can choose when that happens.
Interesting. That sounds superficially similar to Android's A/B system
update method. Is there work being done on getting this into Fedora?
Sounds like Sun's Live Update, circa 2002.
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