zfs root

I recently changed my root ZFS from a mechanical HDD to a smaller SSD. I did it with "syncoid" as syncoid -r zroot zroot2, but some mountpoints were not preserved. But I think my mountpoints are messed up, here's what they look like: zroot 101G 107G...

I updated a server from RootOnZFS FreeBSD 10.1-RELEASE-p10 to 10.1-RELEASE-p31 and it failed to reboot, stopping on ZFS: i/o error - all block copies unavailable ZFS: can't read MOS of pool tank gptzfsboot: failed to mount default pool FreeBSD/x86 boot <registries> BTX halted It is a Dell...