On Tue, 21 Aug 2018 09:20:43 +0200
"Dr. Nikolaus Klepp" <office@...> wrote:

> > 
> > Its tears so far Nik. There are so many differences just in the ext4's 
> > used that one of them should be renamed, they will NOT cross mount,
> > ext4 disk to ext4 mount.  
> 
> Hi Gene!
> 
> When you cannot mount the ext4 partions from one another, then there is
> something very wrong. ext4 can be mounted as ext2 and that should alway
> work - at least, if the drives and filesystems are ok.
> 

No, you are wrong. There were options added to ext4 which made it
incompatible with older kernels. And a few years ago they made this options
default. Debian wheezy kernel (3.2) would not mount ext4 created in debian
stretch. 


-- 
  Nick Koretsky (nick.koretsky@...)