[Samba] CTDB / Samba / GFS2 - Performance - with Picture Link

Volker Lendecke Volker.Lendecke at SerNet.DE
Wed Nov 28 04:14:52 MST 2012

On Wed, Nov 28, 2012 at 11:11:16AM +0000, Vogel, Sven wrote:
> Hi Volker,
> so i looked fort he brlock.tdb file and its local on each
> node. I added "posix locking = no" and "locking = no". I
> think it will run now better. I again a strace file to the
> server. What do you think?

I would not run with locking=no. It will certainly be
faster, but it might cause data corruption.

> http://dev.kupper-computer.com/intern/smbd_no_locking.txt
> I also added 
> fileid:algorithm = fsname
> vfs objects = fileid
> for gfs2 whats better fsid or fileid? 

Dunno, I never used GFS2, sorry. RedHat ships a cluster
product with GFS2 and Samba, maybe they have a


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