On Sun, 3 Feb 2008, Amit Singh wrote:

> http://code.google.com/p/macfuse/wiki/FAQ
> 
> See Q3.1

This was solved well before MacFUSE was released (for FreeBSD but the 
solution is the same). The OS X version can be downloaded from 
http://macntfs-3g.blogspot.com/ as the UBLIO build. 

But performance is quite complex and there can be many additional 
explanations, see e.g. here:

        http://ntfs-3g.org/support.html#cpu100

One of the most common reason is that certain very popular external drives 
often end up using USB1 after enforced resets. This is fixed in the USB 
driver on Linux kernel 2.6.24 but I have seen this widely reported on OS X 
too (Windows is ok).

> On Feb 2, 12:31 pm, Graham Perrin <[EMAIL PROTECTED]> wrote:
> >
> >  From what I gather second-hand, third-hand in IRC, NTFS-3G for Mac  
> > OS X will either:
> >
> >   a) work very, very nicely
> >
> > or
> >
> >   b) not work at all.

If the NTFS-3G driver detects that the volume wasn't shutdown cleanly then 
it denies the mount. This is to prevent NTFS-3G to get blamed when the 
volume is already corrupted. 

Unfortunately this indeed happens relatively often. For example as the 
below Microsoft KB article describes, Windows can corrupt NTFS even if the 
user cleanly ejects an external USB device:

        http://support.microsoft.com/kb/940508

> > Whether or nor that's hearsay, I should generally be prepared for the  
> > unexpected.

By far the most common reason for data loss are hardware faults, well 
at least on Linux. No software can fix that, only backup (or some HA 
solution).

We are aware of only one major problem in NTFS-3G on OS X. The driver hangs 
during OS shutdown perhaps because of a signal unsafe fork().

Regards,
           Szaka

--
NTFS-3G Lead Developer:  http://ntfs-3g.org

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