Re: [gentoo-user] Re: external (NFTS) USB 2TB stick error mount.

[Michael <confabulate@kintzios.com>]

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On Monday, 1 November 2021 23:09:36 GMT Grant Edwards wrote:
> On 2021-11-01, thelma@sys-concept.com <thelma@sys-concept.com> wrote:
> > On 11/1/21 4:47 PM, Grant Edwards wrote:
> >> On 2021-11-01, thelma@sys-concept.com <thelma@sys-concept.com> wrote:
> >>> I format external nvme SSD (M.2) drive as NTFS on Windows (to store
> >>> some pictures etc.)  But when I insert the drive on Linux box (it
> >> 
> >>> has support for NTFS enabled) I get an error:
> >> Please define what you mean by "it has support for NTFS enabled".
> >> 
> >> Are you running a v5.15 kernel with the new in-tree NTFS driver?
> >> 
> >> Are you using the ntfs3g FUSE driver?
> >> 
> >> Are you using the old, read-only NTFS in-tree driver?
> > 
> > I'm using kernel:  5.4.72-gentoo
> > 
> > Under:  File systems:
> >     DOS/FAT/NT Filesystems:
> >         <*> MSDOS fs support
> >        
> >        - <*> VFAT (Windows-95) fs support
> >        - <*> NTFS file system support
> >        - [*]   NTFS write support
> >  
> >  After installing sys-fs/ntfs3g
> > 
> > It keeps telling I don't have:
> > CONFIG_FUSE_FS:	 is not set when it should be.
> 
> OK, that's what is referred to as the old read-only in-tree driver. It
> has had experimental write support for a long time, but people still
> call it "the read-only driver". Most people "in the know" seem to
> advise that the write support should not be used, and many advise not
> using that driver it at all. The ntfs-3g FUSE driver is usually
> recommended instead.

Best to disable the in-kernel write support.  There was a warning it could 
corrupt a fs, unless you were overwriting an existing file with another file 
of exactly the same size.


> > I think I need to enable:
> >< > FUSE (Filesystem in Userspace) support
> 
> You need that if you want to use the ntfs-3g FUSE driver.

Yes.


> IIRC, the ntfs-3g driver supports a number features that the old
> in-tree read-only driver (which you are using) does not. The
> "windows_name" option appears to be one of those.
> 
> If you want to use the windows_name option, you'll probably have to
> disable the in-tree driver and use the ntfs-3g one. It might be
> possible to use ntfs-3g without disabling the in-tree driver, but that
> sounds like a good way to get confused...
> 
> --
> Grant

Have a look here, which explains what is needed for ntfs-3g:

https://wiki.gentoo.org/wiki/NTFS

PS.  I recall a case where a corrupted NTFS, I think it was on Win2000, could 
be read by the in-kernel driver.  Neither the native MSWindows OS could read 
it, nor the ntfs-3g.

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