[Lustre-discuss] More newbie issues

[Andreas Dilger]

On Jul 28, 2008  08:28 -0400, Robert Healey wrote:
> On further investigation, the Ethernet interface was accidentally 
> removed while I was swapping drives.  Time for more testing, since the 
> cluster is subject to frequent unexpected power cuts.  How does Lustre 
> compare to ext3 in terms of having clients unexpectedly power cycled?

Lustre uses ext3 back-end storage, so it behaves the same.  On the OSTs
the data is actually written synchronously so there is no real distinction
between the ext3 data={ordered,writeback} modes.

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