[Lustre-discuss] MDT backup (using tar) taking very long

[Bernd Schubert]

On Thursday, September 02, 2010, Frederik Ferner wrote:
> Hi List,
> 
> we are currently reviewing our backup policy for our Lustre file system
> as backups of the MDT are taking longer and longer.
> 

Yes, that is due to the size-on-mds feature, which was introduced into 
1.6.7.2.  See bug 

https://bugzilla.lustre.org/show_bug.cgi?id=21376

It has a patch, that also got accepted in upstream tar last week. You may find 
updated RHEL5 tar packages on my home page:

http://www.pci.uni-heidelberg.de/tc/usr/bernd/downloads/


Cheers,
Bernd

-- 
Bernd Schubert
DataDirect Networks