[Lustre-discuss] 8T Limit

[Tommi T]

> --- On Tue, 1/26/10, Johann Lombardi <johann at sun.com> wrote
>
> To be clear, 16TB support is only for rhel5 using ext4-based ldiskfs.
> The default for rhel5 is still to use ext3. We will actually provide
> 2 sets of rpms, one with ext3-based ldiskfs (for people who do not
> need >8TB support) and one with ext4-based ldiskfs.
> For those who want to compile their own rpms, ext4 can be selected
> at configure time with the --enable-ext4 option.


Hmm, nice to know. Where I can find more information about differences between ext3/4 based ldiskfs? I'd assume that 1.6 ext3 based lustre fs cannot be upgraded to ext4 based? How about quota support?


T