В Fri, 13 Mar 2015 16:38:33 -0600 Chris Murphy <li...@colorremedies.com> пишет:
> On Fri, Mar 13, 2015 at 3:59 PM, Will Woods <wwo...@redhat.com> wrote: > > I don't really like the new->old->new switchroot stuff, but I haven't > > got a better solution at the moment. > > > > But: if we could use something like "systemd-nspawn" to: > > > > 1) start your old system in a container, > > 2) let it mount its disks, > > 3) copy/bind/move those mounts back out to the host somehow > > Quite a while ago I suggested to Richard Hughes the idea of using > systemd-nspawn and snapshots to get fully atomic updates when on LVM > thinp volumes or Btrfs. It can work for major upgrades also. > > First snapshot existing trees, start a container, mount the snapshots, > update/upgrade them. If it fails, destroy the snapshots. If it > succeeds, update bootloader config to boot the snapshots, and notify > user for reboot. > You do not really need snapshots for this. You just need extra space to copy current boot environment. Using snapshots just allows to do it with less space needed. _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
