[Lustre-devel] Wide striping

David Dillow dillowda at ornl.gov
Wed Oct 5 08:33:52 PDT 2011

On Wed, 2011-10-05 at 11:06 -0400, Nathan Rutman wrote:
> Sorry if I'm being unclear.
> start_index is just an offset into the bitmap.  That's the OST where the first 
> stripe will be.  Next stripe will be on the next OST index (unless a hole). 
> When we get to the big hole at the end of the used OSTs, these OST index 
> locations are all skipped (since they are holes), and the next stripe will 
> be at OST index 0, then 1, etc, up to start_index-1 (again, unless holes).

Ok, so bitmap position 0 is always OST 0; thanks for clearing up my
Dave Dillow
National Center for Computational Science
Oak Ridge National Laboratory
(865) 241-6602 office

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