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Date: Wed, 11 Jun 2008 14:11:23 -0400
To: Paul <bsdlist@cogeco.ca>, freebsd-stable@freebsd.org
From: Mike Tancsa <mike@sentex.net>
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Subject: Re: Areca Raid 6 ARC-1231 Raid 6 Slow LS Listing Performance
 on large directory
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At 01:32 PM 6/11/2008, Paul wrote:

>Any ideas why it takes so long for this on Freebsd 7.0 stable?
>
>The partition this folder is on it /dev/da0s1f  with a total size of 
>1.7T  and a usage of  63G
>
>Any suggestions or help on this would be greatly appreciated.

Couple of things to check

In /etc/nsswitch.conf try changing to

group: files
passwd: files

and check to make sure
vfs.ufs.dirhash_maxmem is > than vfs.ufs.dirhash_mem.  If 
vfs.ufs.dirhash_mem is hit the max, increase the maxmem value

         ---Mike