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Re: Bug#652011: general: Repeated pattern of FHS violation: Dependencies of /sbin and /bin, belong in /lib

On Dec 16, Roger Leigh <rleigh@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.


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