[Lustre-discuss] Core dumps on Lustre 1.6.5

[Andreas Dilger]

On 2009-11-03, at 09:44, Daniel Kulinski wrote:
> We are running Lustre 1.6.5 and we see the following behavior:
>
> When we generate a core dump from an executable the core file size  
> is 0 bytes on Lustre.
>
> When we do this on our NFS filesystem on a ZFS filesystem there are  
> no problems, core file size is non-zero.
>
> When we do this on our 1.8.1 based system in another location we  
> don’t have this problem either.
>
> Is there a setting I can set for 1.6.5 that allows core dumps?


Upgrading to a newer release?  I recall that there was a bug in this  
area
at one time that was fixed, but I don't know the bug number or what  
version
it was fixed in.  The current stable 1.6 release is 1.6.7.2.

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