02.08.2010 21:49, Tim Gustafson написав(ла):
Hi,
I want to update my boot loader based on upgrading to FreeBSD 8.1. I originally installed FreeBSD 8.0 using
the "zfsinstall" utility available at http://mfsbsd.vx.sk/ and so my "tank" zpool is
currently using version 13, whereas my other non-boot zpool is using version 14. After upgrading (via make
buildworld buildkernel installkernel installworld) to FreeBSD 8.1, running "zpool status" tells me:
The pool is formatted using an older on-disk format. The pool can still be
used, but some features are unavailable. Upgrade the pool using 'zpool
upgrade'. Once this is done, the pool will no longer be accessible on older
software versions.
I vaguely remember reading that the zfsboot and/or zfsloader need to be updated
properly before you upgrade your root zfs pool or the loader won't be able to
boot from that partition.
So, my question is: how do I update the zfsboot and/or zfsloader to the new
version? I've read that bsdlabel can install new boot code, but I'm not sure
which one of those files (or both) need to be used. My best guess is that I
need to run:
bsdlabel -B -b /boot/zfsboot
Is that correct? Is there anything else I should do? What's the proper way to
"roll back" in the event that the system becomes unbootable?
Nope. Read
http://www.mail-archive.com/[email protected]/msg103917.html
You need the dd sequence. And you need to do that on exported pool.
--
Sphinx of black quartz judge my vow.
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