Re: [MLUG] Reasonable hard disk throughput numbers?

[Matt Klaric <EMAIL:PROTECTED>]

On Tue, 2006-04-04 at 10:12 -0500, Dave Lloyd wrote:
> XFS is a journaled filesystem so it doesn't need to be cleanly
> unmounted.  It *may* become corrupt if you keep umounting uncleanly, but
> it's far more robust than the above paragraph seems to state.

I second this statement.  Check out the SGI XFS page for more info:
http://oss.sgi.com/projects/xfs/

The very first item listed in the "Features" section touts the
filesystem's journaling capabilities.  This is the mechanism that
ensures that the filesystem is mounted in a consistent state after an
unclean umount (ie. hard power-off).  

That said, I do remember a time (somewhere late in the 2.4 kernel line)
where XFS was having some issues.  Things were getting garbled and files
would have extra data appended to them in the case of an unclean umount.
However, if memory serves me correctly all of those problems were
addressed prior to XFS being included in the kernel.  

--matt


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