On Mon, 5 Apr 2010 14:09:45 +1000 ronnie sahlberg <ronniesahlberg@xxxxxxxxx> wrote: > For readonly devices, exported through two different targets I think > it is ok if the targets do not share the same > metadata such as modepages. > > I would see this as "two targets, two luns" but the readonly luns on > the readonly target just have that special property of automatically > have its content updated when "that other lun" on the readwrite target > is updated. > > > For now I think this is fine. With a readonly lun, there is no need to > make modepages writeable, and maybe one should even disallow mode > select completely for these. > For that case I think it is actually the most desireable behaviour to have : > * read-write target can update mode pages. These changes are not > visible to the readonly target. > * readonly target can do mode select at all and get whatever is set > in targets.conf. We also lost persistent reservation, unit attention, etc. Yeah, it works for some environments, but I don't recommend such workaround. -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
