determine ufs2 %fragmentation on mounted filesystem

[Erik Norgaard]

Nathan Kinkade wrote:
> Does anyone know of a way to determine the %fragmentation on a mounted
> UFS2 filesystem?  An entry showed up in messages yesterday stating that
> /usr has moved from time to space optimization yet the filesystem is
> only at about 25% of it's capacity.  From what I can read it seems that
> the kernel might also make this switch if fragmentation becomes
> excessive.  However, this is a busy production machine running Squid, so
> I can't conveniently umount /usr.

fsck -t ufs2 /usr?

Cheers, Erik
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