Re: Merging / and /usr (was: jessie release goals)
2013/5/11 Aron Xu <aron@debian.org>:
> An easy example is that, on Solaris, there is a something called boot
> environment (BE), which is essentially snapshots of the combination of
> /usr and /boot, users can switch between different BEs easily without
> affecting any user data. Without /usr merge, doing such work could be
> much more complicated because user data and system data is mixed in
> the file system's hierarchy, it's hard to make sure switching between
> different snapshots won't change user data.
Aron, merging / and /usr is not related to the ability of creating
BEs. The beadm utility
will create a snapshot of / and all underlying filesystems. Even
/var/tmp (if it is separated fs)
should be a part of BE (not shared between BEs), because of FHS..
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