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. 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
