On Thu, 22 Dec 2011, Goswin von Brederlow <goswin-...@web.de> wrote:
> Also / and /usr can be read-only and definetly should be on a systems
> likely to have power outages like laptops. And with a read-only
> partition you have neither fsck nor journal replay.

You don't have a fsck if the time/count for a fsck hasn't been met.  If you 
have mounted a filesystem ro every time but the 6 months (or whatever time 
period) has elapsed then you will get a fsck.  You could use tune2fs (or an 
equivalent for other filesystems) to make it an indefinite period.

As for power outages, last time I was using a Debian/Unstable laptop I noticed 
that ext2/3/4 filesystems were remounted with different timeouts according to 
the power state.  So it seems that we already have some better measures to 
avoid data loss in the event of power failure.

-- 
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