On 18/03/2010 09:52, Amar Tumballi wrote: > > > Excellent, although it must be possible to specify this in > /etc/fstab or "by hand" in the volume specification. > > > You can add it in volume with 'type testing/features/filter' and add > an line "option read-only yes". > Thanks, that's obvious now you say it. But I can't use a "testing" filter in a production environment. I'll look forward to the progress of your QA so features/filter can be "promoted" out of testing. Thanks Ian