On Mon, 2007-04-02 at 19:57 -0700, Frank Ludolph wrote: > > Sundar Yamunachari wrote: > > > > > > > Ethan Quach wrote: > > > >> > >> > >> Dave Miner wrote: > >> > >>> Niall Power wrote: > >>> > >>>> More comments/questions after having spent more timing examining the > >>>> disk layout modelling:) > >>>> > >>>> 4.1.1: > >>>> The data model assumes that only one VTOC (DiskSlices_t) can exist > >>>> on disk. On X86, the DiskSlice_t is associated with a parition. > >>>> Will the assumption on X86 that only one partition can contain a > >>>> VTOC hold true > >>>> in the future? Will ZFS make this irrelevant? > >>>> > >>> > >>> It's likely to hold true for a while, at least; there aren't any > >>> firm plans that I'm aware of which would change this. > >> > >> > >> But the configuration exists nonetheless. People have hacked their > >> way into creating a disk with multiple solaris fdisk partitions, each > >> with an instance of solaris installed. > >> > >> I suppose how we want to handle this in dwarf is the question. Right > >> now, the existence of two solaris fdisk partitions on a disk is > >> detectable, but only one VTOC is mapped by the driver. > >> > >> The current GUI installer doesn't handle this very gracefully (makes > >> you delete one.) Are we doing the same here in dwarf? > > > > If one of the Solaris partition is active, the VTOC will be from the > > active partition. If there are more than one Solaris partitions and > > none of the Solaris partitions are active, we have a problem. We > > haven't decided how to handle this situation. One possibility is to > > let the user know that we can't handle multiple Solaris partitions and > > ask the user to make one of them active so that we can use the active > > partition. > > The Dwarf GUI explicitly tells the user that only one Solaris partition > is allowed. The user will have to delete one. The focus of SXDE and > Caiman is to simplify installation, not clutter it up with edge-case > hacks which this seems to be.
I fully agree with Frank. > > Frank > > > > > > > - Sundar > > > >> > >> > >>> ZFS doesn't affect it at all, as we'll still be using a VTOC to > >>> contain the root pools. > >>> > >>> Dave > >>> _______________________________________________ > >>> caiman-discuss mailing list > >>> caiman-discuss at opensolaris.org > >>> http://opensolaris.org/mailman/listinfo/caiman-discuss > >> > >> _______________________________________________ > >> caiman-discuss mailing list > >> caiman-discuss at opensolaris.org > >> http://opensolaris.org/mailman/listinfo/caiman-discuss > > > > _______________________________________________ > > caiman-discuss mailing list > > caiman-discuss at opensolaris.org > > http://opensolaris.org/mailman/listinfo/caiman-discuss >
