Re: RAID needs more to survive a power hit, different /boot layout for example (was Re: draft howto on making raids for surviving a disk crash)

[Moshe Yudkowsky <moshe@xxxxxxxxx>]

Eric,

Thanks very much for your note. I'm becoming very leery of resiserfs at 
the moment... I'm about to run another series of crash tests.
Eric Sandeen wrote:
> Justin Piszcz wrote:
>
> > Why avoid XFS entirely?
> >
> > esandeen, any comments here?
> Heh; well, it's the meme.
Well, yeah...

> Note also that ext3 has the barrier option as well, but it is not
> enabled by default due to performance concerns.  Barriers also affect
> xfs performance, but enabling them in the non-battery-backed-write-cache
> scenario is the right thing to do for filesystem integrity.
So if I understand you correctly, you're stating that current the most 
reliable fs in its default configuration, in terms of protection against 
power-loss scenarios, is XFS?

--
Moshe Yudkowsky * moshe@xxxxxxxxx * www.pobox.com/~moshe
 "There is something fundamentally wrong with a country [USSR] where
  the citizens want to buy your underwear."  -- Paul Thereaux