[CFR][ZFS] Add "zpool labelclear" command.

[Edho P Arief]

On Fri, Jun 17, 2011 at 4:37 PM, Edho P Arief <edhoprima at gmail.com> wrote:
> On Fri, Jun 17, 2011 at 4:02 PM, krad <kraduk at gmail.com> wrote:
>>
>> Its worth noting that its not necessarily a good idea to let zfs handle a
>> raw disk. There is a good argument that you should partition/slice it up
>> with a gig or so less capacity than the drive has.This is due to all drives
>> X TB capacity not being equal. One block less and you new 2TB drive wont
>> work in you existing array.
>
> Actually it will. At least up to 10 MB based on my previous experience
> (under openindiana oi_148, at least).
>

It also must be noted that giving raw device to solaris' zpool doesn't
make it to use entire disk - zpool command automatically creates gpt
label with two partitions (of type usr and reserved) and creates the
pool on the usr partition (not entire disk).