Re: mount_ntfs(8) and filesize ... 2GB limit?

2006-03-24 Thread Kris Kennaway
On Fri, Mar 24, 2006 at 12:30:32PM -0600, Kevin Kinsey wrote:
 Good day,
 
 I'm quite *stuck* attempting to read a 14GB file from
 an NTFS volume.  Obviously, an NTFS-based machine
 would be great, but they aren't playing nice, and I'm
 afraid my Winfoo isn't up to snuff (and I was up most
 of the night with it, so my RTFM is suffering, too)
 
 FreeBSD mounts and reads both partitions on the
 drive, but when I attempt to read the large file,
 every operation seems to truncate the file at about
 2 GB.  Since I've tried cp(1), dd(1), tar(1), cpio(1),
 FTP, and SMBFS, (plus Freesbie, Knoppix, and NTFS
 for Win98) I'm starting to think that it's the underlying
 FreeBSD NTFS layer that's at issue (in the FreeBSD
 portions of the problem, I mean).
 
 Can anyone confirm my hunch?

I think there are PRs about this.

 And, even better, have you got a surefire way
 to get my_very_important.bkf off the disk?  ;)

/usr/ports/sysutils/ntfsprogs/ ?

Kris


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Re: mount_ntfs(8) and filesize ... 2GB limit?

2006-03-24 Thread Kevin Kinsey

Kris Kennaway wrote:


On Fri, Mar 24, 2006 at 12:30:32PM -0600, Kevin Kinsey wrote:
 


Good day,

I'm quite *stuck* attempting to read a 14GB file from
an NTFS volume.  Obviously, an NTFS-based machine
would be great, but they aren't playing nice, and I'm
afraid my Winfoo isn't up to snuff (and I was up most
of the night with it, so my RTFM is suffering, too)

FreeBSD mounts and reads both partitions on the
drive, but when I attempt to read the large file,
every operation seems to truncate the file at about
2 GB.  Since I've tried cp(1), dd(1), tar(1), cpio(1),
FTP, and SMBFS, (plus Freesbie, Knoppix, and NTFS
for Win98) I'm starting to think that it's the underlying
FreeBSD NTFS layer that's at issue (in the FreeBSD
portions of the problem, I mean).

Can anyone confirm my hunch?
   



I think there are PRs about this.
 



I don't find many, but, I've not spent too much time
on the search page.  Most applicable one I see was
from 2004, about 5.2 days.  I would assume that any
changes would reflect in 6.0.  Of course, if I really
*wanted* to know, I could check the cvsweb, eh?


And, even better, have you got a surefire way
to get my_very_important.bkf off the disk?  ;)
   



/usr/ports/sysutils/ntfsprogs/ ?

Kris
 



Thank you very much for your reply. I'm hopeful
that this will help!

Kevin Kinsey

--
Don't marry for money; you can borrow it cheaper.
-- Scottish Proverb


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Re: mount_ntfs(8) and filesize ... 2GB limit?

2006-03-24 Thread Kevin Kinsey

Kris Kennaway wrote:


And, even better, have you got a surefire way
to get my_very_important.bkf off the disk?  ;)
   



/usr/ports/sysutils/ntfsprogs/ ?

Kris
 



Kris, thanks *very much*.  Where can I send $beverage?


For the archives:

1.  Install port mentioned above.
2.  ntfscat -fv /dev/ad3s2 important.bkf  /usr/recovered.bkf
3.  restore as per Windows SOP.

So, ntfscat is able to handle large file operations (2GB) in FreeBSD,
operations that seem to fail with mount_ntfs and standard 'Nix tools
(cat, cp, cpio, tar, dd, etc).

Important: I've not yet verified that the disk is still readable
by Windows, but since the data's off, I'm not sure I care, and
Windows wasn't seeing it properly anyway.  A reformat should
do the trick. YMMV.

Kevin Kinsey

--
What is the robbing of a bank compared to the founding of a bank?
-- Bertold Brecht


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