[Lustre-discuss] clarification on mkfs.lustre options

[Sebastian Gutierrez]

Hello

I did not know that the full ext4 support was a different build.  I will download and install the correct build before I move forward.  

I assume that the ext4 version will work fine with older OSTs.  I will test in my virtual environment.

Thanks
Sebastian

> 
> I am creating these filesystems with lustre 1.8.3 from the prebuilt RPMs.  Do you mean that there is a different ldiskfs package I should use?  
> 
> I guess this brings up another question.  
> Should i also use the flexible block group options on the OSTs?
> -O flex_bg and -G nr_merged_groups