Date: Fri, 22 Feb 2013 11:38:27 +1100 From: Peter Jeremy <peter@rulingia.com> To: Current FreeBSD <freebsd-current@freebsd.org> Subject: Re: No ZFS when loading modules from loeader prompt Message-ID: <20130222003827.GA15631@server.rulingia.com> In-Reply-To: <CAOjFWZ44uih-jXLy7PvrN0%2BeqwzbEmX60LY1yk%2BzhHzGC=wWHg@mail.gmail.com> References: <5124E646.3060304@zedat.fu-berlin.de> <CAOjFWZ44uih-jXLy7PvrN0%2BeqwzbEmX60LY1yk%2BzhHzGC=wWHg@mail.gmail.com>
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--sm4nu43k4a2Rpi4c Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Feb 20, 2013 at 7:05 AM, O. Hartmann <ohartman@zedat.fu-berlin.de> = wrote: > At the loader prompt, I need to unload the buggy kernel and load the old > working one via > > load /boot/kernel.old/kernel > > Then I load also the ZFS related modules > > load /boot/kernel.old/opensolaris.ko > load /boot/kernel.old/zfs.ko > > Issuing boot at the end of that stage boots the kernel - the old one > -successfully - but there is no working ZFS and no ZFS volume gets > mounted although the rc.conf is executed correctly. > > What am I doing wrong at that point? Why isn't ZFS run and mount properly? Last time I ran into this problem, the issue was that "unload" also unloaded the zpool.cache file and the ZFS code relied on that to find the kernel. I don't recall what the workaround was. On 2013-Feb-20 08:17:46 -0800, Freddie Cash <fjwcash@gmail.com> wrote: >Sounds like a perfect use case for Boot Environments. Create a new BE, >install the new kernel into it, set it as the default, reboot. If it >fails, you manually set the previous BE as the default, and reboot. That >way, your "known-good", working environment is never affected. How do you change your BE in the loader? Or how do you change your BE when you can't boot? --=20 Peter Jeremy --sm4nu43k4a2Rpi4c Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlEmvgMACgkQ/opHv/APuIf+5gCfW4aeRzU9NZAjduzYq07qqgD3 2oAAoIO16Jgv6cAY/rL/kITdCI7sj2qx =Z2yS -----END PGP SIGNATURE----- --sm4nu43k4a2Rpi4c--
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