[Lustre-discuss] 8T Limit

[Peter Kjellstrom]

On Tuesday 26 January 2010, Johann Lombardi wrote:
> On Tue, Jan 26, 2010 at 09:15:13AM -0800, Peter Jones wrote:
> > Yes, that is correct. So far we have only tested on RHEL5
>
> To be clear, 16TB support is only for rhel5 using ext4-based ldiskfs.

Why is there a 16TiB limit? Ext4 has no such limit (except for 16TiB _file_ 
size).

/Peter

> 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.
>
> Johann
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