RE: recognizing my ntfs with RH9? -- NTFS support is a pre-NT 5.x(2000/2003) issue too ...

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On Mon, 2003-07-14 at 09:07, RICOTTA, FEDERICO [AG-Contractor/5000]
wrote:
> It worked for me too....... At least for reading...
> in kernel 2.4.20-8smp with Konqueror I saw that in the
> page above (which Callan talks about) that there is a
> new version of the ntfs.o module that was developed
> for 2.5.### kernels that supports writing!!!!!!
> Check it out.....!!!! 

First off, the existing NTFS drivers in 2.x support writing.  But it is
disabled by default for _good_ reasons.

Understand that the NTFS filesystem itself is _tied_ to the registry. 
That means even if you have another NT/2000 system, you should _never_
_write_ to the NTFS filesystem _except_ with the system that created
it!  Microsoft really did _not_ think things through when it forked HPFS
into NTFS.

The only "workaround" before NT 5.x (2000/2003) was to make sure you
_always_ wrote files you cared about on a NTFS filesystem with _domain_
ownership/ACLs.  Otherwise things could get nasty -- especially if you
have _any_ files on the disk that are "owned" or granted ACLs to local
accounts of the machine.  Not just "I can't read it" but someone on the
order, "crap, I Windows just toasted Windows ... again."

The "new way" in NT 5.x (2000/2003) is to use "dynamic disks."  "Dynamic
disks" are a _replacement_ partition table, so you'll need a Linux
kernel that supports it (I assume that is what 2.5 does, maybe already
in 2.4?).  Dynamic disks store some "registry-independent" maps and
other details so the NT-machine other than the one that created the NTFS
with all the NT-machine specific meta-data can read them, or at least
not _corrupt_ the filesystem.  ;-ppp

-- Bryan


-- 
Bryan J. Smith, E.I.             b.j.smith@xxxxxxxx
MCSE/MCSA, RHCE/LPIC-2, SCSecA/SCNA and dozens more
http://thebs.org         http://thebs.org/certs.pdf



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