[Lustre-discuss] Adaptive Timeouts in Lustre 1.6.x vs. 1.8.x

[Andreas Dilger]

On 2009-11-20, at 04:00, Alvaro Aguilera wrote:
> I was wondering if some could explain to me the differences -if any-  
> in the implementation of adaptive timeouts in Lustre 1.8.x compared  
> to Lustre 1.6.x.
> Adaptive timeouts are advertised as one of the new features in  
> Lustre 1.8 but they were already available in Lustre 1.6 (only  
> disabled in the default configuration).

They are disabled in 1.6 by default to avoid introducing problems  
while they were being tested by some large sites.

> Are they any better in Lustre 1.8?


I _think_ they are the same, but I'm not 100% sure that there weren't  
bug fixes from the version that was landed in 1.6 vs. what is in 1.8  
today.  Maybe someone else can comment?

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