On Tue, Nov 12, 2002 at 02:25:25PM -0500, Frank DeChellis wrote:
> Hi.
> 
> We just installed an IDE RAID array using an Adaptec 2400a.  Looks like a
> nice product...but here's my thing.
> 
> The drive comes up as 57241 MB, 7297 Cyl, 255 heads, 63 Sec, 512 bytes/sec
> 
> I did a disklabel to get the numbers our and wrote them back to the drive
> after editing them.
> 
> When I try to newfs a partition it says:
> 
> With 16065 Sectors/Cylinder the minimum cyl/group is 64, block size must be
> changed from 8192 to 32768 and fragment size changed from 1024 to 4096
> 
> What the heck to I change???  My first instinct is to change it in the
> partition table, but I feel like I would be screwing something up if I
> didn't cover all the bases properly.

Change the geometry in disklabel, trying to keep cyl * head * sec constant.
For example you can use 36485 Cyl, 25 heads, 63 Sec

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 23 ans d'experience feront toujours la difference
--