F9: tune2fs -u random <device>

[Dan Thurman]

Mark Haney wrote:
>
> Dan Thurman wrote:
> > Mark Haney wrote:
> >>
> >> Dan Thurman wrote:
> >> >
> >> > Hmm...  does this only work with Linux ext2/3?  What about other
> >> > file systems such as NTFS?  What is the equivalent for setting
> >> > NTFS file systems?
> >> >
> >> > Thanks!
> >> > Dan
> >> >
> >>
> >> Far as I know this is only for ext2/3 (maybe 4 at some point?).  Other
> >> filesystems have similar options for them, but I don't think 
> there's one
> >> for NTFS.  And persionally, even if there were, I wouldn't go about
> >> tinkering with those options in linux anyway.  Why would you want 
> to do
> >> that?
> >>
> > Because when you clone a disk, the 2nd drive is an exact
> > duplicate of the cloned drive which includes among other
> > things, the UUID, Labels, and so on.  So I want to ensure
> > that the cloned drive has different UUID's but with the labels
> > intact to ensure that they do not conflict with one another
> > should both drives remain connected to the same system.
> > Otherwise you will not know which drive is being mounted
> > on the file system, which is the main purpose of the UUIDs.
> >
> > Thanks!
> > Dan
> >
>
> I am aware of all that.  The point is, if I need to clone a drive, I
> tend not to have NTFS on it for the very reason that NTFS is way too
> sensitive to changes.  If I do need to clone it, it's not to stay
> connected to the system, it's to be used either as a backup, or to be
> used in another system altogether.  This eliminates the need for that.
>
> Regardless, I wouldn't personally use anything like tune2fs-equivalent
> on an NTFS partition unless it's in Windows.  Too many things can go
> wrong that way.
>
Ok, point taken!  Do you know if there is such a beast in windoes that can
change the UUID safely?  You see, if my daughter/updates screws up her drive
at least I can bring in the cloned copy and restore it albeit losing 
whatever was
added after the clone?

Thanks!
Dan