[Lustre-discuss] Can a 1.4.x client mount a file system created by Lustre 1.6.x?

[Nathan Rutman]

Rei Lee wrote:
> Hi,
>
> I have two clusters, one is running Lustre 1.4.11 and one is running 
> Lustre 1.6.2.
> I have been able to mount a 1.4.x file system on the 1.6.2 clients.  Would I
> be able to mount a 1.6.x file system on the 1.4.x clients?
>   
If the 1.6.2 system was upgraded from 1.4.x, then yes.  If the 1.6.2 
system was originally
formatted in 1.6 then no.