/usrmove and path ordering

[Reindl Harald]

Am 16.02.2012 13:22, schrieb Jim Meyering:
> Reindl Harald wrote:
>> Am 15.02.2012 13:43, schrieb Martin Langhoff:
>>> On Feb 15, 2012 6:16 AM, "Reindl Harald" <h.reindl at thelounge.net
>>> <mailto:h.reindl at thelounge.net>> wrote:
>>>> there is no single reason for a feature like /usrmove which
>>>> in fact nobody NEEDS at all and definitly not now to press
>>>> it into the next release with pressure
>>>
>>> You are wrong. The /usr move has a very clear impact in being able
>>> to snapshot your OS install partition. Add
>>> btrfs, yum hooks and the already-implemented "stateless"
>>> configuration and you have a really major feature: a fully
>>> upgrade/test/rollback setup for Fedora.
>>
>> only one out of a million installations have /usr seperated
>> from / and the default is NOT do this - so no there is no
>> impact on any normal setup
> 
> Prior to F17, I've always put /usr on a partition separate from /.
> 
>     $ df -hT / /usr
>     Filesystem     Type  Size  Used Avail Use% Mounted on
>     /dev/sda4      ext4   11G  7.3G  3.2G  70% /
>     /dev/sda6      ext4   10G  7.3G  2.3G  77% /usr
> 
> I know I'm special ;-), but *that* special?  I doubt it

with what benefit?

as said: it is and will be useless bomb the OS after a upgrade back
to a filesystem snapshot of /usr since the RPM-DATABASE will NOT
be restored, configurations in /etc will NOT be restored

so can anybody give me one single benefit of /usrmove?
sorry, regardless how often i read any article to this
topic all this benefits are theoretical and will not
work in the real life or not change anything for a user


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