[Lustre-discuss] What mechanism to safe Lustre FS when one OST error?

[Andreas Dilger]

On Jul 20, 2009  11:27 +0700, lesonus wrote:
> I'm a new bie, I installed Lustre 1.8 on Centos5.2 with some OSTs
> I have a question: when an OSTi error, so overall system is can not 
> access Files, because strips is placed in this OSTi.
> So, what mechanism to safe Lustre FS when one OSTi error?
> (Have a mechanism for RAID-OSTs, like RAID-HDD?)

Lustre is usually used on top of RAID block devices (e.g. MD RAID, or
harware RAID).  If you want more reliability due to host failure then
you need multi-port storage (h/w RAID), or some people have used DRBD
for this.

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