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Date:      Fri, 29 Mar 2013 13:08:11 +0800
From:      Jov <>
To:        "Ronald F. Guilmette" <>
Subject:   Re: Where's the metadata?
Message-ID:  <>
In-Reply-To: <>
References:  <>

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newfs_msdos /dev/da0

in FreeBSD,then format it to NTFS in windows. I used this command solve the
same problem.

2013/3/29 Ronald F. Guilmette <>

> So, um, I downloaded the memstick.img file for FreeBSD 9.1-RELEASE and
> then I dd'ed that to my 16GB ADATA USB flash thingy.  After that, it
> worked just fine, and as expected.  No problems.  I could boot FreeBSD
> from it.
> Now however, I need to use that USB stick for something else, and I
> want to reformat the thing as a single NTFS file system using, one
> of my Windows systems to do that (re-)format.
> The problem is that now, the Windows system seems to think that the
> size of the thing is only something like 24.2 Megabytes... *not* the
> actual size, which is vastly larger (16GB).
> So I take the thing back and plug it in again to my FreeBSD system
> and I'm just about ready to simply dd a whole bunch of /dev/zero to
> the thing... figuring that this will probably cure it of its current
> drain bamage... but then at the last second I hesitate and decide to
> actually try to _understand_ what's going on here, really, for a change.
> So now I'm reading the man page for glabel(8) and I figure that this
> may help me to understand how the heck a 16GB USB flash thing magically
> becomes a (much smaller) 24.4 MB flash thingy.  And I immediately spot
> the "dump" option.  naturally, based on the name and the (rather terse)
> description in the man page, and I figure that this has got to be be
> useful.  So I try it:
> # glabel dump da0
> Can't read metadata from da0: Invalid argument.
> glabel: Not fully done.
> # glabel dump /dev/da0
> Can't read metadata from /dev/da0: Invalid argument.
> glabel: Not fully done.
> Now, I say to you all, WTF?  Why don't this work?  Why don't it show me
> anything useful?
> Also, what exactly is this "fully done" gibberish?
> Is this like a souffle?  If I come back in an hour, will it be "fully
> done"?
> Regards,
> rfg
> P.S.  Yes, I _did_ plug the thing in firmly.  It's there alright.
> # ls -l /dev/da*
> crw-r-----  1 root  operator    0, 169 Mar 28 15:59 /dev/da0
> crw-r-----  1 root  operator    0, 170 Mar 28 15:59 /dev/da0a
> P.P.S.  So what _is_ the best tool for just simply taking some sort of
> drive... like a USB flash drive, or any other kind of drive for that
> matter... and returning it to it's actual size?
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