Apparently, though unproven, at 22:12 on Friday 31 December 2010, Dale did 
opine thusly:

> Hi,
> 
> I'm planning to build a rig like mine for my brother before to long.  I
> know there are lots of opinions on the net but want some personal
> experience information on this.  My brother does not have a UPS.  I may
> can talk him into getting one but not sure.  What is a good file system
> that recovers well from a improper shutdown?  I use ext2, ext3 and
> reiserfs here but never had a power problem, except when hal broke my
> stuff.  I know XFS is not good for this already from my own personal
> experience.
> 
> Does anyone here have any personal experience on this?  Just a 'I use
> this and had a power failure and it powered up fine with no data loss'
> would be nice.   If this happened a lot and still worked, that would be
> even better.
> 
> I'm not looking to start a turf war.  This will be a plain old desktop
> so it doesn't need a fancy file system, just one that recovers from a
> power failure.

Down here we have Africa power. 
Africa power makes post-Katrina power look tame.

Total corruptions in 5 years with reiserfs-3.6 and NO ups in that environment 
= zero.

I can't fairly comment on ext[234] as I don't have the same length of 
experience with them. From what other commentators have said elsewhere it 
looks like with optimum settings and tweaks they can be just as good as I got 
from reiser, but that's just hearsay from me.

My gut feel on this is that any modern fs will be built to be able to tolerate 
blackouts - it's almost a requirement these days. So it's likely a 6 and half-
dozen question in reality. Except XFS as you know, but that's a special case 
(aggressive caching virtually requires a UPS or guaranteed no-downtime power)

-- 
alan dot mckinnon at gmail dot com

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