Terabyte drive

Jerry McAllister jerrymc at msu.edu
Fri Nov 30 10:40:05 PST 2007

On Fri, Nov 30, 2007 at 07:20:51AM -0600, Caleb Collins wrote:

> So I just installed a new terabyte WD drive and I am showing 902GB on the
> new drive, which I expect thank to the fact they use 1000 instead of 1024.
> However the problem I am seeing is that I am losing 72Gb from the start on
> the fresh drive.
> /dev/ad4s1c    902G    4.0K    830G     0%    /media2
> As you can see I am using 0% however I have already lost 72Gb. Is there a
> flag I am missing for newfs for new large drives or is this a bug with df.

It is all in the documentation and FAQs.
I believe what you are now seeing is the difference between the
total space and the space available to be written by a user process.
There is an amount (8%, if I remember correctly) on each filesystem
that is reserved for use by the system/root.    You can change that
but should not.


> FreeBSD fellat.rackerx.com 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Fri Jan 12
> 11:05:30 UTC 2007     root at dessler.cse.buffalo.edu:/usr/obj/usr/src/sys/SMP
> i386
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