> Sent: Friday, October 05, 2018 at 1:55 AM > From: "Robert Elz" <k...@munnari.oz.au> > To: "Rocky Hotas" <rockyho...@post.com> > Cc: "NetBSD Users Mailing List" <netbsd-users@netbsd.org> > Subject: Re: BSD disklabel partition letters in NetBSD
[...] > > You can put swaps space in any partition you like, and have as many of them > as you like Ok! > What you might want o be careful about is using partition b for something > other > than swap. That should work as well, there's nothing truly magic about 'b', > but there is just a possibiliity that some script, somewhere, mighht simply > assume that if it needs to add some swap space, it might just decide to simply > use the b partition, if one exists, without asking first, and destroy anything > else that is there. This is important to remember, thank you. > The one case wherte it is needed (to have 2 different swap areas) would be > is system A was to be a XEN Dom 0, and system Bis to be a DomU client > (or vice versa of course) - that is, when both systems are to be running at > the same time, It's a very peculiar case, however, got it. > Where to mount things is in the fstab in the root, wherever that is - > certainly > not in the disklabel - but the filesystem (at least ffs filesystems) do > contain a "last mounted on" field. [...] > One thing to watch when mixing NetBSD and FreeBSD - FreeBSD disklabels > (which would be in the FreeBSD root partition normally, just as the NetBSD > one is) are relative to the MBR partition (or slice) [...] > FreeBSD treats > (or did last time I looked) MBR partitions (slices) as if they were different > drives. > > If you want to put both NetBSD and FreeBSD on the same drive, then I'd > suggest using MBR partitions as a way to keep yourself sane. Thanks for considering all these specific and not-obvious cases, where attention must be paid. According to this discussion, it should be avoided to use BSD disklabel for NetBSD and FreeBSD on the same machine: despite it seems very bizarre, MBR could be the best choice. Rocky > > kre > >
