Alexander, am Mon, Jul 02, 2012 at 11:11:51AM +0600 hast du folgendes geschrieben: > 1) The installer should be able to install the system to a btrfs > subvolume (except /home and /var, which should be on separate > subvolumes). > > 2) On such system, dpkg and apt/aptitude, if requested by the user > and/or by default, should make a writeable snapshot of the root > subvolume, mount it to some temporary location, chroot into it and > perform the upgrade there. During this process, the main system will, > of course, continue to work.
it is not sufficient on a Debian system to just branch off the root filesystem given that important state information of the package manager is stored in /var. Of course somebody could port the Nexenta snapshotting method (with ZFS) to Debian proper with btrfs... Kind regards Philipp Kern
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