Thanks to:
Gert Maaskant <gertm_at_cvi.ns.nl>
alan_at_nabeth.cxo.dec.com
Both recommended using tunefs with the -minfree option to 
reduce the default amount from 10% to about 1-2%.
The responses:
--------------
> 
> Hi Ryan, 
> 
> When you use a UFS file-system, newfs reserve 10% diskspace.
> You can check it whith the command ;
> # dumpfs /dev/rre0c | more; look at the minfree count.
> 
> Umount the file-system and change the value ;
> # tunefs -m 1 /dev/rre0c ; change the value to 1 % free.
> 
> 
> Good luck, Gert...
> ------------------------------------------------------------------------
> 
> 
> 	Gert Maaskant
> 
> 	Operational Support UNIX   EDS
> 	Croeselaan 22, 3521 CB  Utrecht NL
> 
> 	Telefoon : 030 - 2924 251     Telefax : 030 - 2924 250
> 	Kamer    : 0e etage	      E-Mail  : gertm_at_cvi.ns.nl
> 	                              E-Mail  : gert.maaskant_at_nl.eds.com
> 
> From alan_at_nabeth.cxo.dec.com Mon Dec 23 09:56 PST 1996
> From: alan_at_nabeth.cxo.dec.com
> Comment: Environmental Systems Research Institute
> To: rbae_at_esri.com (Ryan Bae [ESRI-Redlands])
> Subject: Re: [Q] RAID 0 - fragmentation 
> Date: Mon, 23 Dec 96 10:52:45 -0700
> X-Mts: smtp
> Content-Type: text
> Content-Length: 385
> 
> 
> 	If you're using UFS, this is probably the 10% reserved
> 	space.  See the manual page for tunefs(8) for more
> 	information.  For a device this large you can probably
> 	reduce the percentage (controlled by minfree) to 2%
> 	without risking any performance problems.
> 
> 	Do check the disklabel and verify that the size of the
> 	C partition is what you expect.  That could also be the
> 	problem.
> 
Thanks again for your help. 
Regards,
Ryan Bae
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Received on Fri Dec 27 1996 - 10:32:51 NZDT