[Lustre-discuss] What are the current striping limits?

[Andreas Dilger]

On Sep 20, 2009  15:58 -0400, Oleg Drokin wrote:
> On Sep 20, 2009, at 3:51 PM, Geoff Lustre wrote:
> 
> > Dear List
> > The excellent wiki:
> > http://www.inter-mezzo.org/index.php?title=MDS_striping_format

Also a minor note that the better URL for this would be:

    http://arch.lustre.org/index.php?title=MDS_striping_format

(same page, better domain).

> This is also current (not sure why people would like this to be any  
> smaller).
> 
> > 	• Result of stripe_size * stripe_count should less than 0xffffffff.
> 
> This was changed, and now maximum stripe size could be up to 4G-64k

That is - a single stripe_size can be up to ~4G, regardless of the
stripe_count.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.