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.
--
Tim Evans | 5 Chestnut Court
443-394-3864 | Owings Mills, MD 21117
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