Re: RAID Controller Caching and XFS

[Florin Andrei <florin@xxxxxxx>]

On Wed, 2002-06-05 at 14:58, Steve Lord wrote:
> On Wed, 2002-06-05 at 16:56, Florin Andrei wrote:
> > 
> > How safe is it to enable caching for writes on the controller (if you
> > don't have a battery on it)?
> 
> How important is your data? If it is in the cache and you lose power,
> then you lose it. If the raid controller does reordering on the I/O
> then you can end up with a corrupted file system. You will not know

How's ENS' database-backed logging (syslog) server for "important"? ;-)

Ok, i got it, i made the right decision: use Write Through and loose
some performance to get some data safety.

-- 
Florin Andrei

"You can get excited about just any subject if you study it enough.
It's the deep knowledge that makes a topic interesting." - Larry McVoy