On Dec 16, Roger Leigh <rle...@codelibre.net> wrote: > Please correct my confusion if I'm wrong, but I'm not sure I can see > why it wouldn't be possible to snapshot the rootfs whichever way we > migrate files. Both / and /usr would need to be snapshotted as a whole > in order to do proper rollbacks wouldn't they? So why would migrating > from /usr to / prevent this? Obviously it depends on what you are trying to do, but the interesting case for me is to snapshot the OS (/usr) but keep the data and configuration (everything else). And keeping /etc, /home and /var on a different file system to allow snapshotting / is more complex (and not really feasible for /etc).
And then there is the issue of easily sharing the OS (either over the network or replicating it) while keeping distinct copies of local data. > If we could add an entry such as: > > /dev/mapper/etc /etc ext4 initramfs 0 1 > > to /etc/fstab, then it could be added to a list of filesystems to be > mounted in the initramfs. Obviously a change to /etc/fstab would > require the initramfs to be updated, but when it came to mounting the Indeed. So this still looks like a very complex solution to a problem nobody cares about. -- ciao, Marco
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