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
2008-02-04T15:31:13Z

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