10.1 geom "diskid"

[Steven Hartland]

On 19/11/2014 15:55, Patrick M. Hausen wrote:
> Now it's getting decidedly weird:
>
>> Am 19.11.2014 um 16:40 schrieb Patrick M. Hausen <hausen at punkt.de>:
>>
>> Hi, all,
>>
>> next question, sorry. I just created a fresh 10.1 installation
>> with ZFS. With the last reboot after adding dedicated SSD
>> based l2arc and zil, the underlying devices are referred to
>> by "diskid" instead of the GPT labels I have first been using:
>>
>> 	NAME                                STATE     READ WRITE CKSUM
>> 	zroot                               ONLINE       0     0     0
>> 	  mirror-0                          ONLINE       0     0     0
>> 	    gpt/disk0                       ONLINE       0     0     0
>> 	    gpt/disk1                       ONLINE       0     0     0
>> 	logs
>> 	  diskid/DISK-BTTV334403R7200GGNp2  ONLINE       0     0     0
>> 	cache
>> 	  diskid/DISK-BTTV334403R7200GGNp1  ONLINE       0     0     0
>>
>> I can live with that, but I do not understand why the ada2 device
>> changed from gpt/* to diskid/* while the others did not?
>>
>> /dev/gpt entries are not even present for ada2, neither are ada2p?
>>
>> At least the system could try to be consistent ;-)
> gnop create -S 4096 /dev/diskid/DISK-BTTV334403R7200GGNp3
> zpool create ssd /dev/diskid/DISK-BTTV334403R7200GGNp3.nop
> zpool export ssd
> gnop destroy /dev/diskid/DISK-BTTV334403R7200GGNp3.nop
> zpool import ssd
> zpool status
As a matter of reference you dont need to do this anymore, instead use:
sysctl vfs.zfs.min_auto_ashift=12
before creating the pool.

     Regards
     Steve