[Lustre-discuss] Getting a list of files on down OST

[Andreas Dilger]

On 2010-07-21, at 12:56, Mark Nelson wrote:
> I'm trying to figure out a way to get a list of files with objects 
> present on an OST that is down.  Normally one could do:
> 
> lfs find -O <OST> dir
> 
> but that is giving us Input/output errors (I assume because the OST is 
> down).  Is there a good way to get a list of objects (Maybe from the 
> MDS?), what OSTs they are on, and correlate them with files?

You should use "lfs getstripe -O <OST> <mountpoint>" instead.  The "lfs find" code incorrectly tries to access some OST information when it isn't needed just to determine the layout.

Cheers, Andreas
--
Andreas Dilger
Lustre Technical Lead
Oracle Corporation Canada Inc.