on 23/12/2012 14:34 Kimmo Paasiala said the following: > On Sun, Dec 23, 2012 at 2:28 PM, Andriy Gapon <a...@freebsd.org> wrote: >> >> I have MFCed the following change, so please double-check if you might be >> affected. Preferably before upgrading :-) >> >> on 28/11/2012 20:35 Andriy Gapon said the following: >>> >>> Recently some changes were made to how a root pool is opened for root >>> filesystem >>> mounting. Previously the root pool had to be present in zpool.cache. Now >>> it is >>> automatically discovered by probing available GEOM providers. >>> The new scheme is believed to be more flexible. For example, it allows to >>> prepare >>> a new root pool at one system, then export it and then boot from it on a new >>> system without doing any extra/magical steps with zpool.cache. It could >>> also be >>> convenient after zpool split and in some other situations. >>> >>> The change was introduced via multiple commits, the latest relevant >>> revision in >>> head is r243502. The changes are partially MFC-ed, the remaining parts are >>> scheduled to be MFC-ed soon. >>> >>> I have received a report that the change caused a problem with booting on >>> at least >>> one system. The problem has been identified as an issue in local >>> environment and >>> has been fixed. Please read on to see if you might be affected when you >>> upgrade, >>> so that you can avoid any unnecessary surprises. >>> >>> You might be affected if you ever had a pool named the same as your current >>> root >>> pool. And you still have any disks connected to your system that belonged >>> to that >>> pool (in whole or via some partitions). And that pool was never properly >>> destroyed using zpool destroy, but merely abandoned (its disks >>> re-purposed/re-partitioned/reused). >>> >>> If all of the above are true, then I recommend that you run 'zdb -l <disk>' >>> for >>> all suspect disks and their partitions (or just all disks and partitions). >>> If >>> this command reports at least one valid ZFS label for a disk or a partition >>> that >>> do not belong to any current pool, then the problem may affect you. >>> >>> The best course is to remove the offending labels. >>> >>> If you are affected, please follow up to this email. > > Much appreciated! > > I have verified that my system is not affected. > > One question, do I have to rewrite the zfs gpt boot loader > (/boot/gptzfsboot) onto the freebsd-boot partition to make use of this > change?
This change is kernel-level only. There is no interaction with boot blocks. -- Andriy Gapon _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
