Date: Wed, 19 Nov 2014 18:18:00 +0000 From: Steven Hartland <killing@multiplay.co.uk> To: freebsd-stable@freebsd.org Subject: Re: 10.1 geom "diskid" Message-ID: <546CDED8.7040902@multiplay.co.uk> In-Reply-To: <166BD891-B686-41F9-A741-9C7E7D989CB8@punkt.de> References: <FE4F6E61-C332-40A4-A913-281505819FA7@punkt.de> <166BD891-B686-41F9-A741-9C7E7D989CB8@punkt.de>
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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@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
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