ZFS on entire disks setup

[krad]

2009/9/26 Stefan Bethke <stb at lassitu.de>

> Am 26.09.2009 um 13:39 schrieb Dmitry Morozovsky:
>
>  Dear colleagues,
>>
>> is there a way to configure ZFS-only setup without partitions?
>>
>> I tried to reproduce the trick with `skip=1 seek=1024', and have
>> loot/loader
>> running, but it does not see the pool.
>>
>
> This sequence is working for me:
> dd if=/boot/zfsboot of=/dev/da0 count=1
> dd if=/boot/zfsboot of=/dev/da0 skip=1 seek=1024
> zpool create zroot /dev/da0
> zpool set bootfs=zroot zroot
> cd /usr/src && make installworld installkernel distribution DESTDIR=/zroot
> cp /boot/loader.conf /zroot/boot/loader.conf
> cp /etc/rc.conf /zroot/etc/
> touch /zroot/etc/fstab
> echo 'zfs_load="YES"' >>/zroot/boot/loader.conf
> echo 'vfs.root.mountfrom="zfs:zroot"' >>/zroot/boot/loader.conf
> zpool export zroot
> zpool import zroot
> cp /boot/zfs/zpool.cache /zroot/boot/zfs/
> zfs set mountpoint=legacy zroot
>
> ... except that it doesn't anymore.  I saw this working about two months
> ago, but now it fails to mount root.  Verbose boot doesn't give any
> indication why ZFS can't find the pool.
>
>
> Stefan
>
> --
> Stefan Bethke <stb at lassitu.de>   Fon +49 151 14070811
>
>
>
>
>
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have the performance issues with zvols been fixed. I remember a while ago it
wasn't a good idea to run swap on a zvol. This is why i left a partition
free for swap