On Tue, 21 Aug 2018 09:08:55 -0400
Gene Heskett <gheskett@...> wrote:

> On Tuesday 21 August 2018 08:21:12 Nick Koretsky wrote:
> 
> > On Tue, 21 Aug 2018 12:55:28 +0200
> >
> > "Dr. Nikolaus Klepp" <office@...> wrote:  
> > > Am Dienstag, 21. August 2018 schrieb Nick Koretsky:  
> > > > 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.  
> > >
> > > Hi!
> > >
> > > Now that's a gotcha I did not know. How did it come that this was
> > > thought of beeing a good idea?
> > >
> > > Nik  
> >
> > Yep. Exactly my thought when i spent 3-hours with a server refusing to
> > boot after migration to a new hdd (i used a stretch flash to copy).
> > Who the fuck toughs it was a good idea?!! Why not call it ext5 or
> > ext4a or whatever?!!  
> 
> +100
> 
> Now the question of the day is how the hell do we fix it?
> 
> 

If you need a shared partition between wheezy and stretch create it in
wheezy.


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