[Lustre-discuss] duplicate

[Andreas Dilger]

On Jul 07, 2008  10:33 -0400, Brian J. Murrell wrote:
> On Sun, 2008-07-06 at 21:52 -0600, Andreas Dilger wrote:
> > If you only do "lctl deactivate" on the MDS, then it will only stop
> > the MDS from allocating new objects on this OST.  If you also do
> > "lctl deactivate" on the clients then they will return -EIO when
> > accessing files on this OST instead of waiting for recovery.
> 
> Probably what would be nice is being able to do this on the MGS so that
> it gets added to the configuration and propagates to the clients
> immediately and survives a client reboot.

It's already possible to deactivate an OST permanently on the MGS.
The original email was asking what to do if the OST would be returned
to service the next day or two.

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