Date: Wed, 5 Nov 2008 17:55:11 +0100 From: "=?ISO-8859-1?Q?Marius_N=FCnnerich?=" <marius@nuenneri.ch> To: "Andriy Gapon" <avg@icyb.net.ua> Cc: freebsd-fs@freebsd.org, freebsd-geom@freebsd.org Subject: Re: zfs: affected by geom_(mbr|bsd) => geom_part_(mbr|bsd) ? Message-ID: <b649e5e0811050855rd14434h32c1355bdbf6bf6b@mail.gmail.com> In-Reply-To: <4911C3E9.405@icyb.net.ua> References: <4911C3E9.405@icyb.net.ua>
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On Wed, Nov 5, 2008 at 5:03 PM, Andriy Gapon <avg@icyb.net.ua> wrote: > > Using GENERIC amd64 7-BETA2 system (installed from "official" ISO) I > partitioned my disk for ZFS root file system more or less as described here: > https://ish.com.au/solutions/articles/freebsdzfs > > Big difference is that I created a separate slice to contain a partition > for ZFS pool, so that ZFS pool is ad4s2d (and UFS2 boot is ad4s1a). > > Everything was fine, ZFS root was mounted as expected. > > Then I built a custom kernel with nooptions for GEOM_(BSD|MBR) and > options for GEOM_PART_(BSD|MBR). When I tried to boot this kernel it > couldn't mount ZFS root and I simply rebooted my machine when I stuck at > mountroot prompt (I couldn't enter UFS2 root because of unrelated > keyboard problem). > The boot was verbose and I didn't see any peculiar GEOM or GEOM_PART > messages (errors, warnings). > > I'll try to debug this further by booting into UFS root and running > gpart, but I'd like to ask for an advice upfront. > > Can something like this be rationally expected? > Is there a way to make ZFS see its pool again (when booted into UFS root)? Afaict geom_part is a little bit more concerned about the correctness of the partition tables. I think it's possible that you have a bug in your tables which doesn't matter for geom_mbr or geom_bsd but for geom_part.
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